Auth bypass in Project-zot Zot

CVE-2026-31801

zot is ancontainer image/artifact registry based on the Open Container Initiative Distribution Specification. From 1.3.0 to 2.1.14, zot’s dist-spec authorization middleware infers the required action for PUT /v2/{name}/manifests/{reference…

Vulnerability class: Broken Access Control

EPSS: 0.000 (13.8th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 7.7 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:N/I:H/A:N.

Affected products

Weakness classification (CWE)

References

Frequently asked questions

What is CVE-2026-31801?
CVE-2026-31801 is a high-severity vulnerability in Project-zot Zot, classified under Incorrect Authorization. CVSS score: 7.7/10. Published 2026-03-10.
How severe is CVE-2026-31801?
High severity. CVSS v3 base score is 7.7 out of 10.