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Vulnerability record · CVE-2026-76233 · published 19 August 2026

CVE-2026-76233: Command injection vulnerability

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.

8.4 CVSS 4.0 High EPSS 1.0% · top 38.5% CWE-77 · Command injection Awaiting Analysis
8.4CVSS 4.0 base score
1.0%EPSS exploitation probability, 30 days
NoNot in CISA KEV
0Affected product versions listed by NVD
4References
8 Sep 2026Last modified by NVD

Description

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.

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:

References

LinkTags
https://github.com/renovatebot/renovate/commit/d29698e0131231652970f02765312769975e4d38
https://github.com/renovatebot/renovate/security/advisories/GHSA-xjr7-3c3g-m763
https://www.vulncheck.com/advisories/renovate-before-command-injection-via-gleam-manager
https://github.com/renovatebot/renovate/security/advisories/GHSA-xjr7-3c3g-m763

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Source: NIST National Vulnerability Database (record CVE-2026-76233), CISA KEV, FIRST EPSS (scores of 2026-09-26). This page is refreshed as NVD updates the record.