CVE-2026-39861
CriticalAdvisory
Published 21 Apr 2026In the index since 8 Sept 2026
- Severity
- Critical
- worst across findings
- CVSS
- 10.0
- base score, highest
- EPSS
- 0.007
- 52nd percentile
- CISA KEV
- Not listed
- no confirmed exploitation
- Charts affected
- 1
- of 17,781 indexed, latest versions
- Container images
- 2
- deployed by those charts
- Fix available
- 1 of 1
- affected package
Claude Code: Sandbox Escape via Symlink Following Allows Arbitrary File Write Outside Workspace
Carried by container images the latest versions of 1 of 17,781 indexed charts deploy, on 2 images.
| Affected package | Affected versions | Fixed in | Images |
|---|---|---|---|
| @anthropic-ai/ | 1.0.117, 2.0.24 | 2.1.64 | 2 |
- OSV records
- GHSA-vp62-r36r-9xqp
Charts affected
1 by stars
| Chart | Latest | Affected images | Radar Score |
|---|---|---|---|
| kubiya-runnerkubiya-helm-chartsOfficialVerified publisher | 0.9.4 | 2 of 9See more | 20,204 |
Container images carrying it
2 by charts deploying them
A fixed version is listed for 1 of the 1 affected package.
| Container image | Digest | Package | Fixed in | Used by |
|---|---|---|---|---|
| ghcr.io/ | 757bdd779345 | @anthropic-ai/ | 2.1.64 | 1 |
| ghcr.io/ | 560a16a56d4e | @anthropic-ai/ | 2.1.64 | 1 |