What’s Vulnerable › Vulnerabilities

CVE-2026-76233: Renovate 39.53.0 before 40.33.0 Command Injection via gleam manager

• Severity: medium (CVSS 6.7 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 1.0% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2026-08-19 · updated 2026-09-08
• Weakness: CWE-77

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.

Affected products

• renovatebot renovate: from 39.53.0 before 40.33.0 — fixed in 40.33.0

How to fix

Upgrade to a fixed version: renovatebot renovate 40.33.0. Check the vendor advisory for mitigations.

References

• 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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