Vulnerability-Lookup

CVE-2026-76233 (GCVE-0-2026-76233)

Vulnerability from cvelistv5 – Published: 2026-08-19 14:02 – Updated: 2026-08-19 14:45

Title

Renovate 39.53.0 before 40.33.0 Command Injection via gleam manager

Summary

Renovate versions from 39.53.0 before 40.33.0 contain a command injection vulnerability in the gleam manager where the depName parameter is appended to gleam deps update commands without proper sanitization. Attackers with repository write access can craft malicious gleam.toml files to execute arbitrary commands on the machine running Renovate.

Severity

8.4 (High)


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

6.7 (Medium)


                        
                          CVSS:3.1/AV:L/AC:L/PR:H/UI:N/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 2026-08-19 14:44 UTC

CWE

CWE-77 - Improper Neutralization of Special Elements used in a Command ('Command Injection')

Assigner

VulnCheck mitre root

References

3 references

URL	Tags
https://github.com/renovatebot/renovate/security/…	vendor-advisory
https://github.com/renovatebot/renovate/commit/d2…	patch
https://www.vulncheck.com/advisories/renovate-bef…	third-party-advisory

Impacted products

1 product

Vendor	Product	Version	CPE status
renovatebot	renovate	Affected: 39.53.0 , < 40.33.0 (semver) Unaffected: 40.33.0 (semver)	guessed

Date Public

2026-01-13 00:00

Credits

astellingwerf

Show details on NVD website

JSON

To clipboard

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FKIE_CVE-2026-76233

Vulnerability from fkie_nvd - Published: 2026-08-19 14:17 - Updated: 2026-08-19 15:18

Severity

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

Summary

References

	URL	Tags
	disclosure@vulncheck.com	https://github.com/renovatebot/renovate/commit/d29698e0131231652970f02765312769975e4d38
	disclosure@vulncheck.com	https://github.com/renovatebot/renovate/security/advisories/GHSA-xjr7-3c3g-m763
	disclosure@vulncheck.com	https://www.vulncheck.com/advisories/renovate-before-command-injection-via-gleam-manager
	134c704f-9b21-4f2e-91b3-4a467353bcc0	https://github.com/renovatebot/renovate/security/advisories/GHSA-xjr7-3c3g-m763

Impacted products

	Vendor	Product	Version

JSON

To clipboard

{
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          "defaultStatus": "unaffected",
          "packageURL": "pkg:npm/renovate",
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    }
  ],
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  "lastModified": "2026-08-19T15:18:10.993",
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GHSA-XMPW-Q5R4-P783

Vulnerability from github – Published: 2026-08-19 15:32 – Updated: 2026-08-19 15:32

Details

Severity

6.7 (Medium)


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

8.4 (High)


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

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{
  "affected": [],
  "aliases": [
    "CVE-2026-76233"
  ],
  "database_specific": {
    "cwe_ids": [
      "CWE-77"
    ],
    "github_reviewed": false,
    "github_reviewed_at": null,
    "nvd_published_at": "2026-08-19T14:17:50Z",
    "severity": "HIGH"
  },
  "details": "Renovate versions from 39.53.0 before 40.33.0 contain a command injection vulnerability in the gleam manager where the depName parameter is appended to gleam deps update commands without proper sanitization. Attackers with repository write access can craft malicious gleam.toml files to execute arbitrary commands on the machine running Renovate.",
  "id": "GHSA-xmpw-q5r4-p783",
  "modified": "2026-08-19T15:32:35Z",
  "published": "2026-08-19T15:32:35Z",
  "references": [
    {
      "type": "WEB",
      "url": "https://github.com/renovatebot/renovate/security/advisories/GHSA-xjr7-3c3g-m763"
    },
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2026-76233"
    },
    {
      "type": "WEB",
      "url": "https://github.com/renovatebot/renovate/commit/d29698e0131231652970f02765312769975e4d38"
    },
    {
      "type": "WEB",
      "url": "https://www.vulncheck.com/advisories/renovate-before-command-injection-via-gleam-manager"
    }
  ],
  "schema_version": "1.4.0",
  "severity": [
    {
      "score": "CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H",
      "type": "CVSS_V3"
    },
    {
      "score": "CVSS:4.0/AV:L/AC:L/AT:N/PR:H/UI:N/VC:H/VI:H/VA:H/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",
      "type": "CVSS_V4"
    }
  ]
}

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.

Action not permitted

CVE-2026-76233 (GCVE-0-2026-76233)

FKIE_CVE-2026-76233

GHSA-XMPW-Q5R4-P783

Tags

Sightings

Nomenclature