{"id":"CVE-2026-93315","summary":"BuildKit proxy CA cleanup can be disrupted by build steps","details":"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.","aliases":["GHSA-2f5p-x9ph-g97x"],"modified":"2026-10-07T02:47:29.260369875Z","published":"2026-10-05T21:57:08.053Z","database_specific":{"osv_generated_from":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/93xxx/CVE-2026-93315.json","cna_assigner":"Docker","cwe_ids":["CWE-367"]},"references":[{"type":"ADVISORY","url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/93xxx/CVE-2026-93315.json"},{"type":"ADVISORY","url":"https://github.com/moby/buildkit/security/advisories/GHSA-2f5p-x9ph-g97x"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-93315"},{"type":"FIX","url":"https://github.com/moby/buildkit/releases/tag/v0.33.1"}],"affected":[{"ranges":[{"type":"GIT","repo":"https://github.com/moby/buildkit","events":[{"introduced":"c411f0ac55a2c56d3d68b7d92d257538d5d6f464"},{"fixed":"8c91502cf280bd70a0c50912ce251c46a8881d9f"}],"database_specific":{"source":["AFFECTED_FIELD","REFERENCES"],"extracted_events":[{"introduced":"0.31.0"},{"fixed":"0.33.1"}]}}],"versions":["v0.33.0-rc2","v0.33.0","dockerfile/1.27.0-labs","dockerfile/1.27.0","dockerfile/1.27.0-rc1-labs","dockerfile/1.27.0-rc1","v0.33.0-rc1","v0.32.0","dockerfile/1.26.0-labs","dockerfile/1.26.0","v0.32.0-rc2","dockerfile/1.26.0-rc2-labs","dockerfile/1.26.0-rc2","v0.32.0-rc1","v0.31.0","dockerfile/1.25.0-labs","dockerfile/1.25.0"],"database_specific":{"source":"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2026-93315.json"}}],"schema_version":"1.9.0","severity":[{"type":"CVSS_V4","score":"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"}]}