CVE-2026-110867 Renovate before 44.60.1 allowedEnv Allowlist Bypass via Shared Preset
Attackers can bypass environment variable allowlists via shared presets to inject malicious variables, potentially leading to code execution on self-hosted instances.
- Exploited in the wild
- Not known
- Login needed
- Any signed-in user
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2026-110867?
CVE-2026-110867 is a critical vulnerability in mend-renovate-ce helm chart, published on 14 Oct 2026. Any signed-in user can exploit it over the network, with no action from the victim.
Official description
Renovate before 44.60.1 contains an allowlist bypass vulnerability that allows repositories to set restricted environment variables by placing env inside a shared preset. Attackers controlling an externally sourced preset can override variables like PATH, LD_PRELOAD, NODE_OPTIONS, or GIT_SSL_CAINFO in child processes on self-hosted instances.
Weakness: CWE-863
Which versions are affected by CVE-2026-110867?
How do I fix CVE-2026-110867?
No fix has been published for CVE-2026-110867 yet. Limit exposure of the affected software until one is available.
Is CVE-2026-110867 being exploited?
There is no known exploitation of CVE-2026-110867 in the wild and no public exploit code.
Sources
Also known as GHSA-6mj2-rf27-53xc.