RCE in Mend Mend-Renovate-Ce
CVE-2026-88888
Renovate before 44.14.7 contains a command injection vulnerability in the Mix manager when processing private dependencies with unescaped organization parameters. Attackers can inject shell metacharacters through malicious package names to execute arbitrary commands as the Renovate user in binarySource=docker mode.
Vulnerability class: Command Injection (OS Command Injection)
Published · last modified .
CVSS v3 metric
CVSS v3 base score 7.0 (High). Vector: CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H.
EPSS exploit prediction
EPSS: 0.009 (59.0th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 59th percentile — 59.0% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.009 · newest: 0.009 · change: 0.000
Affected products
Weakness classification (CWE)
References
- github.com/renovatebot/renovate/security/advisories/GHSA-v85g-rq5w-c46q (vendor-advisory)
- www.vulncheck.com/advisories/renovate-before-44.14.7-command-injection-via-mix-… (third-party-advisory)
Frequently asked questions
- What is CVE-2026-88888?
- CVE-2026-88888 is a high-severity vulnerability in Mend Mend-Renovate-Ce, classified under OS Command Injection. CVSS score: 7.0/10. Published 2026-09-10.
- How severe is CVE-2026-88888?
- High severity. CVSS v3 base score is 7.0 out of 10.