CVE-2026-35353
Description
The mkdir utility in uutils coreutils incorrectly applies permissions when using the -m flag by creating a directory with umask-derived permissions (typically 0755) before subsequently changing them to the requested mode via a separate chmod system call. In multi-user environments, this introduces a brief window where a directory intended to be private is accessible to other users, potentially leading to unauthorized data access.
Predictions
Heuristic predictions, AS-IS, for prioritization only.
Mitigations
No mitigations published for this CVE yet.
The vendor-content worker queues fetches as references arrive (check back in a few minutes). Or — if you've already worked around this in production — publish your fix to the community-verified tier.
✚ Propose a mitigation on Community → Mitigations published via the community go through AI scoring + 2 human reviewers + 7-day silent objection window before landing here withsource_tier=community-verified.
OS impact
Debian Mixed 3 releases
| Version | Status | Fixed in |
|---|---|---|
| trixie | Affected | — |
| sid | Fixed | 0.6.0-1 |
| bookworm | Affected | — |
References
- https://nvd.nist.gov/vuln/detail/CVE-2026-35353
- https://github.com/uutils/coreutils/pull/10036
- https://github.com/uutils/coreutils/commit/037b9583bc03d814e8516df54ebcda6f681fe1f8
- https://github.com/uutils/coreutils
- https://github.com/uutils/coreutils/releases/tag/0.6.0
- https://security-tracker.debian.org/tracker/CVE-2026-35353
- https://github.com/advisories/GHSA-vf87-345h-9qhx
Community-verified mitigations for this CVE will appear above when contributors publish them.
Verify integrity in audit chain (admin only). AS-IS.