CVE-2026-93319
CVE-2026-93319 is a medium-severity vulnerability with a CVSS 4.0 base score of 5.7. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-567.
Key facts
- Severity: Medium (CVSS 4.0 base score 5.7)
- EPSS exploit prediction: 0% (1st percentile)
- Actively exploited: Not listed in CISA KEV
- Weakness: CWE-567
- Published:
- Last modified:
Description
A malicious external BuildKit frontend can send requests using the internal API that can create conditions for a data race that can cause the BuildKit daemon to panic.
Frequently asked questions
- What is CVE-2026-93319?
- A malicious external BuildKit frontend can send requests using the internal API that can create conditions for a data race that can cause the BuildKit daemon to panic.
- How severe is CVE-2026-93319?
- CVE-2026-93319 has a CVSS 4.0 base score of 5.7, rated medium severity.
- Is CVE-2026-93319 being actively exploited?
- It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (1st percentile), an estimate of the probability of exploitation in the next 30 days.
- How do I fix CVE-2026-93319?
- Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
- When was CVE-2026-93319 published?
- CVE-2026-93319 was published on 2026-10-05 and last updated on 2026-10-06.
References
- https://github.com/moby/buildkit/releases/tag/v0.33.1
- https://github.com/moby/buildkit/security/advisories/GHSA-4hgw-qrhw-fhg8
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