CVE Explorer
CVE-2026-15791
A crafted message in the BuildKit low-level build API can be used to remove the contents of the /tmp directory. The action that can normally be used to delete files inside the build container rootfs can escape into the real host temp directory.
Known exploited
Not asserted
Disputed
No
Stale source
No
Conflicts
0
Affected products and versions
1 source assertion{"defaultStatus":"unaffected","platforms":["Linux","MacOS","Windows"],"product":"BuildKit","vendor":"moby","versions":[{"lessThan":"0.31.2","status":"affected","version":"0.10.0","versionType":"semver"}]}
- cve_program_cvelist_v5affectedurn:baitaphish:normalized-source-record:v2:78af9a1959954f935f79e1c8e97a1bec6adaa6f3c46ef927fa142adc7275e2a1 · sha256:0e14de9b39a49c70… · /containers/cna/affected/0
Provider-owned CVSS observations
1 source assertion{"metric":{"Automatable":"NOT_DEFINED","Recovery":"NOT_DEFINED","Safety":"NOT_DEFINED","attackComplexity":"LOW","attackRequirements":"PRESENT","attackVector":"LOCAL","baseScore":3.3,"baseSeverity":"LOW","exploitMaturity":"NOT_DEFINED","privilegesRequired":"NONE","providerUrgency":"NOT_DEFINED","subAvailabilityImpact":"NONE","subConfidentialityImpact":"NONE","subIntegrityImpact":"NONE","userInteraction":"ACTIVE","valueDensity":"NOT_DEFINED","vectorString":"CVSS:4.0/AV:L/AC:L/AT:P/PR:N/UI:A/VC:N/VI:L/VA:L/SC:N/SI:N/SA:N","version":"4.0","vulnAvailabilityImpact":"LOW","vulnConfidentialityImpact":…
- cve_program_cvelist_v5cvssurn:baitaphish:normalized-source-record:v2:78af9a1959954f935f79e1c8e97a1bec6adaa6f3c46ef927fa142adc7275e2a1 · sha256:0e14de9b39a49c70… · /containers/cna/metrics/0/cvssV4_0
CWE assertions
1 source assertion{"cweId":"CWE-22","description":"CWE-22: Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal')","lang":"en","type":"CWE"}
- cve_program_cvelist_v5cweurn:baitaphish:normalized-source-record:v2:78af9a1959954f935f79e1c8e97a1bec6adaa6f3c46ef927fa142adc7275e2a1 · sha256:0e14de9b39a49c70… · /containers/cna/problemTypes/0/descriptions/0
Source references
1 source assertion{"tags":["vendor-advisory"],"url":"https://github.com/moby/buildkit/security/advisories/GHSA-32pv-7hq5-qhwq"}
- cve_program_cvelist_v5referenceurn:baitaphish:normalized-source-record:v2:78af9a1959954f935f79e1c8e97a1bec6adaa6f3c46ef927fa142adc7275e2a1 · sha256:0e14de9b39a49c70… · /containers/cna/references/0
Attribution and limitations
- CVE Program CVEList V5: Reproduce the MITRE copyright designation and CVE license in copies. Source →
Provider severity values are preserved separately. Baitaphish does not convert them into a risk rating, infer affected products, or treat EPSS as observed exploitation.