CVE-2026-42574
high
CVSS v3
7.5
CVSS v4 NEW
—
VIR risk
7.5
Description
apko dirFS has a symlink-following path traversal that allows multiple entry points to escape the build root
Predictions
Exploit likelihood
83%
Patch ETA
—
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.
Package impact
| Ecosystem | Package | Vulnerable | Fixed |
|---|---|---|---|
| Go | chainguard.dev/apko | >=0.14.8,<1.2.5 | 1.2.5 |
| GO | chainguard.dev/apko | >= 0.14.8, < 1.2.5 | 1.2.5 |
References
- https://github.com/chainguard-dev/apko/commit/f5a96e1299ac81c7ea9441705ec467688086f442
- https://github.com/chainguard-dev/apko/pull/2187
- https://github.com/chainguard-dev/apko/releases/tag/v1.2.5
- https://github.com/chainguard-dev/apko/security/advisories/GHSA-qq3r-w4hj-gjp6
- https://nvd.nist.gov/vuln/detail/CVE-2026-42574
- https://github.com/chainguard-dev/apko
- https://github.com/advisories/GHSA-qq3r-w4hj-gjp6
CWEs
CWE-22 CWE-59
Community-verified mitigations for this CVE will appear above when contributors publish them.
Verify integrity in audit chain (admin only). AS-IS.