Auth bypass in Distribution
CVE-2026-41888
Distribution is a toolkit to pack, ship, store, and deliver container content. Prior to 3.1.1, tag deletion via the DELETE /v2/<name>/manifests/<tag> endpoint bypasses the storage.delete.enabled: false configuration, allowing any API client to remove tags from repositories even when the operator has explicitly disabled deletion. This vulnerability is fixed in 3.1.1.
Vulnerability class: Broken Access Control
Published · last modified .
CVSS v3 metric
CVSS v3 base score 6.5 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:L.
EPSS exploit prediction
EPSS: 0.004 (26.3th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 26th percentile — 26.3% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.003 · newest: 0.004 · change: +0.001
Affected products
- Distribution — versions < 3.1.1
Weakness classification (CWE)
References
- github.com/distribution/distribution/security/advisories/GHSA-6pjf-3r9x-m592 (Exploit, Vendor Advisory)
Frequently asked questions
- What is CVE-2026-41888?
- CVE-2026-41888 is a medium-severity vulnerability in Distribution, classified under Incorrect Authorization. CVSS score: 6.5/10. Published 2026-05-14.
- How severe is CVE-2026-41888?
- Medium severity. CVSS v3 base score is 6.5 out of 10.