CVE-2026-93319

A malicious frontend can cause a daemon panic

CVE-2026-93319 is fixed in runfinch-finch on 1 platform by ALAS2023-2026-3264 (version 1.19.0-1.amzn2023.0.2), released November 7, 2026. It is not reported as exploited. Patch Radar priority: Routine.

Routine

CVSS

n/a

Moderate

Exploitation

None reported

No vendor assessment

CISA KEV

Not listed

Not in the Known Exploited Vulnerabilities catalog

EPSS

0.0009

0th percentile

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.

Where it's fixed

Product	Fixed in	Fix	Released
Linux
runfinch-finch · amzn 2023	1.19.0-1.amzn2023.0.2	ALAS2023-2026-3264	Nov 7, 2026

Details

Published
October 9, 2026
Weakness
Unsynchronized Access to Shared Data in a Multithreaded Context
Vendor advisory
https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-93319

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