CVE-2026-93315 (GCVE-0-2026-93315)

Vulnerability from cvelistv5 – Published: 2026-10-05 21:57 – Updated: 2026-10-06 13:27
VLAI
Title
BuildKit proxy CA cleanup can be disrupted by build steps
Summary
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.
Severity
5.8 (Medium)
CVSS:4.0/AV:L/AC:L/AT:P/PR:L/UI:N/VC:N/VI:L/VA:H/SC:N/SI:L/SA:N
SSVC
Exploitation: none Automatable: no Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-10-06 13:26 UTC
CWE
  • CWE-367 - Time-of-check Time-of-use (TOCTOU) Race Condition
Assigner
Docker CNA under the mitre root
CNA scorecard B 88/100 over 32 records in the last 180 days details
References
Impacted products
Vendor Product Version CPE status
moby BuildKit Affected: 0.31.0 , < 0.33.1 (semver)
guessed Create a notification for this product.
Credits
Zhenchen Wang (Institute of Software, Chinese Academy of Sciences), Shuo Huai, Songlin Zhu, Weijie Liu, and Yan Jia (Nankai University)
Show details on NVD website
To clipboard 

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