RHSA-2026:50287HighCVSS 7.5
Red Hat Security Advisory: Red Hat Hardened Images RPMs Security Update
🔗 CVE IDs covered (2)
📋 Description
CVE-2026-69153 — postcss: PostCSS: Information disclosure via crafted sourceMappingURL CVE-2026-73086 — nanoid: nanoid: Predictable ID generation due to integer overflow
🎯 Affected products4
- Red Hat Hardened Images
- prometheus3-13-main@aarch64 as a component of Red Hat Hardened Images
- prometheus3-13-main@src as a component of Red Hat Hardened Images
- prometheus3-13-main@x86_64 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: Pass map: false when invoking PostCSS to disable source map auto-loading. This prevents the path traversal from being triggered, though it removes source map support entirely. Workaround: Mitigation for this issue is either not available or the currently available options do not meet the Red Hat Product Security criteria comprising ease of use and deployment, applicability to widespread installation base, or stability.
🔗 References (6)
- selfhttps://access.redhat.com/errata/RHSA-2026:50287
- externalhttps://access.redhat.com/security/cve/CVE-2026-69153
- externalhttps://access.redhat.com/security/updates/classification/
- externalhttps://images.redhat.com/
- externalhttps://access.redhat.com/security/cve/CVE-2026-73086
- selfhttps://security.access.redhat.com/data/csaf/v2/advisories/2026/rhsa-2026_50287.json