High7.8Red Hat & Ubuntu Linux
TOCTOU symlink race condition allowing local privilege escalation in daemon mode without chroot.
CVE-2026-29518 Published May 20, 2026
CVE-2026-29518
Affected products & platforms
Red Hat & Ubuntu LinuxUnclassified
Summary
TOCTOU symlink race condition allowing local privilege escalation in daemon mode without chroot.. Red Hat rates this important (CVSS 7.8). Weakness: CWE-367. Affected package(s): rsync, discovery/discovery-ui-rhel9:1782166952. Resolved in Red Hat advisory RHSA-2026:26410 — update the affected packages (`sudo dnf update`).
Affected versions
- rsync-0:3.1.3-27.el8_10
- rsync-0:3.2.5-7.el9_8.2
- discovery/discovery-ui-rhel9:1782166952
- rsync-0:3.4.4-1.el10_2
Official advisory · high-confidence parse· fetched 6 hours ago·verify at source
Fixed versions
- RHSA-2026:26410
Official advisory · high-confidence parse· fetched 6 hours ago·verify at source
Mitigation checklist
Recommended fix / mitigation
- Update the affected package(s) to the fixed version shipped in RHSA-2026:26410 (`sudo dnf update` / `yum update`).
Official advisory · high-confidence parse· fetched 6 hours ago·verify at source
Discussion(0)
No comments yet. Share field notes, upgrade gotchas, or questions — verify against the vendor advisory before acting on community advice.
Sign in to join the discussion.