CVE-2026-88888: Renovate before 44.14.7 Command Injection via Mix organization

Severity: high (CVSS 7.0 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 0.9% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2026-09-10 · updated 2026-09-29
Weakness: CWE-78

Description

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.

Affected products

mend-renovate-ce: before 15.4.0 — fixed in 15.4.0
mend-renovate-enterprise-edition: before 10.4.0 — fixed in 10.4.0
mend renovate-ce: before 15.4.0 — fixed in 15.4.0
mend renovate-ee-server: before 15.4.0 — fixed in 15.4.0
mend renovate-ee-worker: before 15.4.0 — fixed in 15.4.0
renovatebot renovate: before 44.14.7 — fixed in 44.14.7

How to fix

Upgrade to a fixed version: mend-renovate-ce 15.4.0; mend-renovate-enterprise-edition 10.4.0; mend renovate-ce 15.4.0; mend renovate-ee-server 15.4.0; mend renovate-ee-worker 15.4.0; renovatebot renovate 44.14.7. Check the vendor advisory for mitigations.

References

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