RHSA-2026:63151HighCVSS 7.3
Red Hat Security Advisory: Red Hat Hardened Images RPMs bug fix and enhancement update
🔗 CVE IDs covered (1)
📋 Description
CVE-2026-84361 — composer: Composer: Arbitrary code execution via malicious Perforce source URL
🎯 Affected products3
- Red Hat Hardened Images
- composer-main@noarch as a component of Red Hat Hardened Images
- composer-main@src as a component of Red Hat Hardened Images
✅ Remediation
For details on how to apply this update, which includes the changes described in this advisory, refer to: https://images.redhat.com/ Workaround: To mitigate this issue, avoid installing the Perforce `p4` client on systems where Composer is used, unless explicitly required. Additionally, ensure that Composer only processes dependencies from trusted repositories and `composer.lock` files to prevent the introduction of malicious `source.url` values.
🔗 References (5)
- selfhttps://access.redhat.com/errata/RHSA-2026:63151
- externalhttps://images.redhat.com/
- externalhttps://access.redhat.com/security/cve/CVE-2026-84361
- externalhttps://access.redhat.com/security/updates/classification/
- selfhttps://security.access.redhat.com/data/csaf/v2/advisories/2026/rhsa-2026_63151.json