CVE-2026-93315

UNKNOWN 0.0

BuildKit proxy CA cleanup can be disrupted by build steps

CVSS Score

0.0

EPSS Score

0.0%

EPSS Percentile

0th

When proxy networking with CA injection is enabled, a build can modify its CA bundle before cleanup. This may cause cleanup to block, operate outside the build rootfs, or fail without failing the build.

CWE	CWE-367
Vendor	moby
Product	buildkit
Published	Oct 5, 2026

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Affected Versions

moby / BuildKit

0.31.0 < 0.33.1

References

NVD ↗ CVE.org ↗ EPSS Data ↗

github.com: https://github.com/moby/buildkit/security/advisories/GHSA-2f5p-x9ph-g97x github.com: https://github.com/moby/buildkit/releases/tag/v0.33.1

Credits

Zhenchen Wang (Institute of Software, Chinese Academy of Sciences), Shuo Huai, Songlin Zhu, Weijie Liu, and Yan Jia (Nankai University)