CVE-2026-73221: CVAT: Flawed authorization logic in endpoints related to lambda requests

Severity: medium (CVSS 5.3 v4.0)
Exploited in the wild: not listed in CISA KEV
EPSS: 0.4% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2026-08-11 · updated 2026-10-24
Weakness: CWE-863

Description

CVAT is an open source interactive video and image annotation tool for computer vision. From 2.17.0 until 2.72.0, a user with the Worker role can use predictable task-based request IDs with the lambda request retrieve and destroy endpoints to view automatic annotation requests for tasks or jobs the user cannot access and cancel requests initiated by other users. This issue is fixed in version 2.72.0.

Affected products

cvat-ai cvat: from 2.17.0, < 2.72.0

References

https://github.com/cvat-ai/cvat/commit/20a1076a0b9de47e067b121e40f16d66d373b3f7
https://github.com/cvat-ai/cvat/pull/10964
https://github.com/cvat-ai/cvat/releases/tag/v2.72.0
https://github.com/cvat-ai/cvat/security/advisories/GHSA-m7p7-6w4m-886p

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