Medium [CVE-2026-59944] Security bypass allows execution of unauthorized binaries via symlinked paths
This medium-severity Red Hat Linux advisory covers CVE-2026-59944; related products: Red Hat Hardened Images.
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Summary
Security bypass allows execution of unauthorized binaries via symlinked paths. Red Hat rates this moderate (CVSS 5).
Weakness: CWE-59. Red Hat lists fixing advisory RHSA-2026:63151 with package composer-main-2.10.3-1.hum1.
Affected product named by the advisory: Red Hat Hardened Images.
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 15 days ago·verify at source
- composer-main-2.10.3-1.hum1
- RHSA-2026:63151
Official advisory · high-confidence parse· fetched 15 days ago·verify at source
Mitigation checklist
- Ensure the integrity of Composer's `vendor` directory and associated metadata. Avoid restoring `vendor` directories from untrusted caches or allowing lower-trust processes to modify them. Implement strict access controls on Composer project directories and perform Composer operations in a trusted, isolated build environment to prevent the introduction of malicious symlinks or metadata. This operational control may require adjustments to existing CI/CD pipelines or build processes.
Official advisory · high-confidence parse· fetched 15 days ago·verify at source
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