Improper Authorization in distribution - CVE-2026-41888

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Main Vulnerability Database Vulnerabilities #VU129582

Improper Authorization in distribution - CVE-2026-41888

Published: May 4, 2026


Vulnerability identifier: #VU129582
CSH Severity: Low
CVSS v4: 5.3 [CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:N/VI:L/VA:N/SC:N/SI:N/SA:N]
CVE-ID: CVE-2026-41888
CWE-ID: CWE-285
Exploitation vector: Remote access
Exploit availability: No public exploit available

Vulnerability details

The vulnerability allows a remote user to bypass authorization checks.

The vulnerability exists due to improper access control in the DELETE /v2//manifests/ endpoint when handling tag deletion requests. A remote API client can send a crafted DELETE request for a tag reference to remove tags from repositories even when the operator has explicitly disabled deletion.


Affected software

distribution
Fedora
docker-distribution

How to mitigate CVE-2026-41888

Install security update from vendor's website.

distribution - update to 3.1.1
docker-distribution - update to 3.1.1-1.fc45

External References

Related Security Bulletins