Medium [CVE-2026-88884] Security control bypass via digest updates
This medium-severity Red Hat Linux advisory covers CVE-2026-88884.
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Summary
A flaw was found in Renovate, a dependency update automation tool. This vulnerability allows for the bypass of the `minimumReleaseAge` security control when processing digest updates.
A remote attacker could exploit this by publishing a malicious dependency version, which Renovate would then prematurely propose in a pull request, potentially leading to the execution of untrusted code in continuous integration (CI) workflows before stability checks are complete.
This undermines the intended protection against unstable or malicious dependency introductions. This Moderate impact flaw in Renovate, as used in Red Hat Konflux's `mintmaker-renovate-image`, allows digest updates to bypass configured `minimumReleaseAge` checks.
This circumvents a critical security control, potentially leading to automated pull requests and CI workflow execution for newly published, unvetted, or malicious dependency versions before their stability age has elapsed. The impact is limited to environments where `minimumReleaseAge` is configured and digest updates are in use.
Red Hat severity: Moderate — CVSS 5.8 (CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:N/I:L/A:N). Weakness: CWE-807.
Affected versions
No affected-version range was extracted from the source record. The vendor advisory is authoritative — check it before change work.
Official advisory · high-confidence parse· fetched 17 minutes ago·verify at source
Fixed versions
No fixed release is recorded yet. That does not prove no patch exists — confirm against the vendor advisory.
Official advisory · high-confidence parse· fetched 17 minutes ago·verify at source
Mitigation checklist
- To mitigate this issue, disable digest updates or gate them behind `dependencyDashboardApproval` in your Renovate configuration. This prevents the automatic processing of new digests before the `minimumReleaseAge` checks are applied.
Official advisory · high-confidence parse· fetched 17 minutes ago·verify at source
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