Vulnerability-Lookup

CVE-2026-27524 (GCVE-0-2026-27524)

Vulnerability from cvelistv5 – Published: 2026-03-18 01:34 – Updated: 2026-06-23 16:14 X_Open Source

Title

OpenClaw < 2026.2.21 - Prototype Pollution via Debug Override Path

Summary

OpenClaw versions prior to 2026.2.21 accept prototype-reserved keys in runtime /debug set override object values, allowing prototype pollution attacks. Authorized /debug set callers can inject __proto__, constructor, or prototype keys to manipulate object prototypes and bypass command gate restrictions.

Severity

2.3 (Low)


                        
                          CVSS:4.0/AV:N/AC:L/AT:P/PR:L/UI:N/VC:N/VI:L/VA:N/SC:N/SI:N/SA:N

4.3 (Medium)


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

SSVC

Exploitation: none Automatable: no Technical Impact: partial

CISA Coordinator · CISA-ADP (v2.0.3)

Decision recorded 2026-03-18 14:03 UTC

CWE

CWE-1321 - Improperly Controlled Modification of Object Prototype Attributes ('Prototype Pollution')

Assigner

VulnCheck mitre root

References

3 references

URL	Tags
https://github.com/openclaw/openclaw/security/adv…	vendor-advisory
https://github.com/openclaw/openclaw/commit/fbb79…	patch
https://www.vulncheck.com/advisories/openclaw-pro…	third-party-advisory

Impacted products

1 product

Vendor	Product	Version	CPE status
OpenClaw	OpenClaw	Affected: 0 , < 2026.2.21 (semver) cpe:2.3:a:openclaw:openclaw::::::node.js::*

Date Public

2026-02-21 00:00

Credits

tdjackey

Show details on NVD website

JSON

To clipboard

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CNVD-2026-16045

Vulnerability from cnvd - Published: 2026-04-03

Title

OpenClaw安全绕过漏洞（CNVD-2026-16045）

Description

OpenClaw是OpenClaw开源的一个智能人工助理。 OpenClaw存在安全绕过漏洞，攻击者可利用该漏洞绕过命令门限制。

Severity

中

Patch Name

OpenClaw安全绕过漏洞（CNVD-2026-16045）的补丁

Patch Description

OpenClaw是OpenClaw开源的一个智能人工助理。 OpenClaw存在安全绕过漏洞，攻击者可利用该漏洞绕过命令门限制。目前，供应商发布了安全公告及相关补丁信息，修复了此漏洞。

Formal description

厂商已发布了漏洞修复程序，请及时关注更新： https://github.com/openclaw/openclaw/releases

Reference

https://github.com/openclaw/openclaw/commit/fbb79d4013000552d6a2c23b9613d8b3cb92f6b6

Impacted products

Name
OpenClaw OpenClaw <2026.2.21

Show details on source website

JSON

To clipboard

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  "openTime": "2026-04-03",
  "patchDescription": "OpenClaw\u662fOpenClaw\u5f00\u6e90\u7684\u4e00\u4e2a\u667a\u80fd\u4eba\u5de5\u52a9\u7406\u3002\r\n\r\nOpenClaw\u5b58\u5728\u5b89\u5168\u7ed5\u8fc7\u6f0f\u6d1e\uff0c\u653b\u51fb\u8005\u53ef\u5229\u7528\u8be5\u6f0f\u6d1e\u7ed5\u8fc7\u547d\u4ee4\u95e8\u9650\u5236\u3002\u76ee\u524d\uff0c\u4f9b\u5e94\u5546\u53d1\u5e03\u4e86\u5b89\u5168\u516c\u544a\u53ca\u76f8\u5173\u8865\u4e01\u4fe1\u606f\uff0c\u4fee\u590d\u4e86\u6b64\u6f0f\u6d1e\u3002",
  "patchName": "OpenClaw\u5b89\u5168\u7ed5\u8fc7\u6f0f\u6d1e\uff08CNVD-2026-16045\uff09\u7684\u8865\u4e01",
  "products": {
    "product": "OpenClaw OpenClaw \u003c2026.2.21"
  },
  "referenceLink": "https://github.com/openclaw/openclaw/commit/fbb79d4013000552d6a2c23b9613d8b3cb92f6b6",
  "serverity": "\u4e2d",
  "submitTime": "2026-03-26",
  "title": "OpenClaw\u5b89\u5168\u7ed5\u8fc7\u6f0f\u6d1e\uff08CNVD-2026-16045\uff09"
}

FKIE_CVE-2026-27524

Vulnerability from fkie_nvd - Published: 2026-03-18 02:16 - Updated: 2026-06-17 10:27

Severity

4.3 (Medium) - CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N
4.3 (Medium) - CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N

Summary

References

URL	Tags
disclosure@vulncheck.com	https://github.com/openclaw/openclaw/commit/fbb79d4013000552d6a2c23b9613d8b3cb92f6b6	Patch
disclosure@vulncheck.com	https://github.com/openclaw/openclaw/security/advisories/GHSA-62f6-mrcj-v8h5	Vendor Advisory
disclosure@vulncheck.com	https://www.vulncheck.com/advisories/openclaw-prototype-pollution-via-debug-override-path	Third Party Advisory

Impacted products

	Vendor	Product	Version
	openclaw	openclaw	*

JSON

To clipboard

{
  "affected": [
    {
      "affectedData": [
        {
          "defaultStatus": "unaffected",
          "packageURL": "pkg:npm/openclaw",
          "product": "OpenClaw",
          "vendor": "OpenClaw",
          "versions": [
            {
              "lessThan": "2026.2.21",
              "status": "affected",
              "version": "0",
              "versionType": "semver"
            }
          ]
        }
      ],
      "source": "disclosure@vulncheck.com"
    }
  ],
  "configurations": [
    {
      "nodes": [
        {
          "cpeMatch": [
            {
              "criteria": "cpe:2.3:a:openclaw:openclaw:*:*:*:*:*:node.js:*:*",
              "matchCriteriaId": "09CAA52D-0C33-41B4-854A-338CBFC45513",
              "versionEndExcluding": "2026.2.21",
              "vulnerable": true
            }
          ],
          "negate": false,
          "operator": "OR"
        }
      ]
    }
  ],
  "cveTags": [],
  "descriptions": [
    {
      "lang": "en",
      "value": "OpenClaw versions prior to 2026.2.21 accept prototype-reserved keys in runtime /debug set override object values, allowing prototype pollution attacks. Authorized /debug set callers can inject __proto__, constructor, or prototype keys to manipulate object prototypes and bypass command gate restrictions."
    },
    {
      "lang": "es",
      "value": "Las versiones de OpenClaw anteriores a 2026.2.21 aceptan claves reservadas para prototipos en los valores de objeto de anulaci\u00f3n de /debug set en tiempo de ejecuci\u00f3n, lo que permite ataques de contaminaci\u00f3n de prototipos. Los llamadores autorizados de /debug set pueden inyectar claves \u0027__proto__\u0027, \u0027constructor\u0027 o \u0027prototype\u0027 para manipular prototipos de objetos y eludir las restricciones de la compuerta de comandos."
    }
  ],
  "id": "CVE-2026-27524",
  "lastModified": "2026-06-17T10:27:18.467",
  "metrics": {
    "cvssMetricV31": [
      {
        "cvssData": {
          "attackComplexity": "LOW",
          "attackVector": "NETWORK",
          "availabilityImpact": "NONE",
          "baseScore": 4.3,
          "baseSeverity": "MEDIUM",
          "confidentialityImpact": "NONE",
          "integrityImpact": "LOW",
          "privilegesRequired": "LOW",
          "scope": "UNCHANGED",
          "userInteraction": "NONE",
          "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N",
          "version": "3.1"
        },
        "exploitabilityScore": 2.8,
        "impactScore": 1.4,
        "source": "disclosure@vulncheck.com",
        "type": "Secondary"
      },
      {
        "cvssData": {
          "attackComplexity": "LOW",
          "attackVector": "NETWORK",
          "availabilityImpact": "NONE",
          "baseScore": 4.3,
          "baseSeverity": "MEDIUM",
          "confidentialityImpact": "NONE",
          "integrityImpact": "LOW",
          "privilegesRequired": "LOW",
          "scope": "UNCHANGED",
          "userInteraction": "NONE",
          "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N",
          "version": "3.1"
        },
        "exploitabilityScore": 2.8,
        "impactScore": 1.4,
        "source": "nvd@nist.gov",
        "type": "Secondary"
      }
    ],
    "cvssMetricV40": [
      {
        "cvssData": {
          "Automatable": "NOT_DEFINED",
          "Recovery": "NOT_DEFINED",
          "Safety": "NOT_DEFINED",
          "attackComplexity": "LOW",
          "attackRequirements": "PRESENT",
          "attackVector": "NETWORK",
          "availabilityRequirement": "NOT_DEFINED",
          "baseScore": 2.3,
          "baseSeverity": "LOW",
          "confidentialityRequirement": "NOT_DEFINED",
          "exploitMaturity": "NOT_DEFINED",
          "integrityRequirement": "NOT_DEFINED",
          "modifiedAttackComplexity": "NOT_DEFINED",
          "modifiedAttackRequirements": "NOT_DEFINED",
          "modifiedAttackVector": "NOT_DEFINED",
          "modifiedPrivilegesRequired": "NOT_DEFINED",
          "modifiedSubAvailabilityImpact": "NOT_DEFINED",
          "modifiedSubConfidentialityImpact": "NOT_DEFINED",
          "modifiedSubIntegrityImpact": "NOT_DEFINED",
          "modifiedUserInteraction": "NOT_DEFINED",
          "modifiedVulnAvailabilityImpact": "NOT_DEFINED",
          "modifiedVulnConfidentialityImpact": "NOT_DEFINED",
          "modifiedVulnIntegrityImpact": "NOT_DEFINED",
          "privilegesRequired": "LOW",
          "providerUrgency": "NOT_DEFINED",
          "subAvailabilityImpact": "NONE",
          "subConfidentialityImpact": "NONE",
          "subIntegrityImpact": "NONE",
          "userInteraction": "NONE",
          "valueDensity": "NOT_DEFINED",
          "vectorString": "CVSS:4.0/AV:N/AC:L/AT:P/PR:L/UI:N/VC:N/VI:L/VA:N/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X",
          "version": "4.0",
          "vulnAvailabilityImpact": "NONE",
          "vulnConfidentialityImpact": "NONE",
          "vulnIntegrityImpact": "LOW",
          "vulnerabilityResponseEffort": "NOT_DEFINED"
        },
        "source": "disclosure@vulncheck.com",
        "type": "Secondary"
      }
    ],
    "ssvcV203": [
      {
        "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
        "ssvcData": {
          "id": "CVE-2026-27524",
          "options": [
            {
              "exploitation": "none"
            },
            {
              "automatable": "no"
            },
            {
              "technicalImpact": "partial"
            }
          ],
          "role": "CISA Coordinator",
          "timestamp": "2026-03-18T14:03:02.876662Z",
          "version": "2.0.3"
        }
      }
    ]
  },
  "published": "2026-03-18T02:16:23.627",
  "references": [
    {
      "source": "disclosure@vulncheck.com",
      "tags": [
        "Patch"
      ],
      "url": "https://github.com/openclaw/openclaw/commit/fbb79d4013000552d6a2c23b9613d8b3cb92f6b6"
    },
    {
      "source": "disclosure@vulncheck.com",
      "tags": [
        "Vendor Advisory"
      ],
      "url": "https://github.com/openclaw/openclaw/security/advisories/GHSA-62f6-mrcj-v8h5"
    },
    {
      "source": "disclosure@vulncheck.com",
      "tags": [
        "Third Party Advisory"
      ],
      "url": "https://www.vulncheck.com/advisories/openclaw-prototype-pollution-via-debug-override-path"
    }
  ],
  "sourceIdentifier": "disclosure@vulncheck.com",
  "vulnStatus": "Modified",
  "weaknesses": [
    {
      "description": [
        {
          "lang": "en",
          "value": "CWE-1321"
        }
      ],
      "source": "disclosure@vulncheck.com",
      "type": "Secondary"
    }
  ]
}

GHSA-62F6-MRCJ-V8H5

Vulnerability from github – Published: 2026-03-03 22:12 – Updated: 2026-03-18 21:51

Summary

OpenClaw's runtime /debug override path accepted prototype-reserved keys

Details

Summary

OpenClaw accepted prototype-reserved keys in runtime /debug set override object values (__proto__, constructor, prototype).

Impact

/debug is disabled by default, and exploitation requires an already authorized /debug set caller. No unauthenticated vector was identified.

This issue affects runtime in-memory overrides only (non-persistent and cleared on restart/reset). Given the required prior authorization boundary, this is treated as defense-in-depth hardening for command flag evaluation.

Affected Packages / Versions

Package: openclaw (npm)
Latest published vulnerable version confirmed: 2026.2.19-2
Vulnerable range: <= 2026.2.19-2
Patched in planned next release: 2026.2.21

Technical Details

Runtime override merges now block reserved prototype keys during deep merge.
Runtime override writes now sanitize nested object values to remove reserved prototype keys before storing overrides.
Restricted command gates (bash, config, debug) now require own-property boolean flags, preventing inherited prototype values from enabling commands.

Fix Commit(s)

fbb79d4013000552d6a2c23b9613d8b3cb92f6b6

Release Process Note

patched_versions is pre-set to 2026.2.21 so after the npm release is live, this advisory can be published immediately.

OpenClaw thanks @tdjackey for reporting.

Severity

2.0 (Low)


                  
                    CVSS:4.0/AV:L/AC:L/AT:P/PR:L/UI:N/VC:N/VI:L/VA:N/SC:N/SI:N/SA:N

Show details on source website

JSON

To clipboard

{
  "affected": [
    {
      "package": {
        "ecosystem": "npm",
        "name": "openclaw"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            },
            {
              "fixed": "2026.2.21"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ]
    }
  ],
  "aliases": [
    "CVE-2026-27524"
  ],
  "database_specific": {
    "cwe_ids": [
      "CWE-1321"
    ],
    "github_reviewed": true,
    "github_reviewed_at": "2026-03-03T22:12:20Z",
    "nvd_published_at": "2026-03-18T02:16:23Z",
    "severity": "LOW"
  },
  "details": "### Summary\nOpenClaw accepted prototype-reserved keys in runtime `/debug set` override object values (`__proto__`, `constructor`, `prototype`).\n\n### Impact\n`/debug` is disabled by default, and exploitation requires an already authorized `/debug set` caller. No unauthenticated vector was identified.\n\nThis issue affects runtime in-memory overrides only (non-persistent and cleared on restart/reset). Given the required prior authorization boundary, this is treated as defense-in-depth hardening for command flag evaluation.\n\n### Affected Packages / Versions\n- Package: `openclaw` (npm)\n- Latest published vulnerable version confirmed: `2026.2.19-2`\n- Vulnerable range: `\u003c= 2026.2.19-2`\n- Patched in planned next release: `2026.2.21`\n\n### Technical Details\n- Runtime override merges now block reserved prototype keys during deep merge.\n- Runtime override writes now sanitize nested object values to remove reserved prototype keys before storing overrides.\n- Restricted command gates (`bash`, `config`, `debug`) now require own-property boolean flags, preventing inherited prototype values from enabling commands.\n\n### Fix Commit(s)\n- `fbb79d4013000552d6a2c23b9613d8b3cb92f6b6`\n\n### Release Process Note\n`patched_versions` is pre-set to `2026.2.21` so after the npm release is live, this advisory can be published immediately.\n\nOpenClaw thanks @tdjackey for reporting.",
  "id": "GHSA-62f6-mrcj-v8h5",
  "modified": "2026-03-18T21:51:56Z",
  "published": "2026-03-03T22:12:20Z",
  "references": [
    {
      "type": "WEB",
      "url": "https://github.com/openclaw/openclaw/security/advisories/GHSA-62f6-mrcj-v8h5"
    },
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2026-27524"
    },
    {
      "type": "WEB",
      "url": "https://github.com/openclaw/openclaw/commit/fbb79d4013000552d6a2c23b9613d8b3cb92f6b6"
    },
    {
      "type": "PACKAGE",
      "url": "https://github.com/openclaw/openclaw"
    },
    {
      "type": "WEB",
      "url": "https://www.vulncheck.com/advisories/openclaw-prototype-pollution-via-debug-override-path"
    }
  ],
  "schema_version": "1.4.0",
  "severity": [
    {
      "score": "CVSS:4.0/AV:L/AC:L/AT:P/PR:L/UI:N/VC:N/VI:L/VA:N/SC:N/SI:N/SA:N",
      "type": "CVSS_V4"
    }
  ],
  "summary": "OpenClaw\u0027s runtime /debug override path accepted prototype-reserved keys"
}

WID-SEC-W-2026-0472

Vulnerability from csaf_certbund - Published: 2026-02-22 23:00 - Updated: 2026-04-12 22:00

Summary

OpenClaw: Mehrere Schwachstellen

Severity

Mittel

Scope

48 vulnerabilities in this advisory, including CVE-2026-27524.

CVE-2026-27524

Known affected: 1 product

Open the full advisory

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-2026-27524 (GCVE-0-2026-27524)

CNVD-2026-16045

FKIE_CVE-2026-27524

GHSA-62F6-MRCJ-V8H5

Summary

Impact

Affected Packages / Versions

Technical Details

Fix Commit(s)

Release Process Note

WID-SEC-W-2026-0472

Tags

Sightings

Nomenclature

Related by attack behaviour