CVE-2026-110865: Mend Mend-Renovate-CE Helm Chart

High severity, CVSS 7.1. EPSS: 0.2% chance of exploitation in the next 30 days.

Renovate before 44.60.1 contains an allowlist bypass vulnerability that allows repository users to evade the allowedHeaders restriction by placing hostRules headers inside shared presets. Attackers can supply internal or externally sourced presets with unvalidated hostRules[].headers to inject custom HTTP headers into requests Renovate sends to other hosts.

Affected products

• Mend Mend-Renovate-CE Helm Chart: before 15.5.0 (fixed in 15.5.0)
• Mend Mend-Renovate-Enterprise-Edition Helm Chart: before 10.5.0 (fixed in 10.5.0)
• Mend Renovate-CE: before 15.5.0 (fixed in 15.5.0)
• Mend Renovate-EE-Server: before 15.5.0 (fixed in 15.5.0)
• Mend Renovate-EE-Worker: before 15.5.0 (fixed in 15.5.0)
• Renovatebot Renovate: before 44.60.1 (fixed in 44.60.1)

Published 2026-10-14. Last modified 2026-10-16.