What is CVE-2026-55986?

CVE-2026-55986 is a medium-severity vulnerability in Gitea Open Source Git Server, classified under Improper Access Control. CVSS score: 5.4/10. Published 2026-08-13.

How severe is CVE-2026-55986?

Medium severity. CVSS v3 base score is 5.4 out of 10.

Vulnerability in Gitea Open Source Git Server

CVE-2026-55986

Email Management API Bypasses ManageCredentials Feature Restrictions

Published 2026-08-13 · last modified 2026-08-26.

CVSS v3 metric

CVSS v3 base score 5.4 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:N.

EPSS exploit prediction

EPSS: 0.003 (22.4th percentile), scored 2026-09-27.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 22nd percentile — 22.4% 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: 0.003 · change: +0.001

Affected products

Gitea Open Source Git Server — versions 0

Weakness classification (CWE)

CWE-284 — Improper Access Control

References

88ee5874-cf24-4952-aea0-31affedb7ff2 (vendor-advisory)
88ee5874-cf24-4952-aea0-31affedb7ff2 (release-notes)
88ee5874-cf24-4952-aea0-31affedb7ff2 (release-notes)

Frequently asked questions

What is CVE-2026-55986?: CVE-2026-55986 is a medium-severity vulnerability in Gitea Open Source Git Server, classified under Improper Access Control. CVSS score: 5.4/10. Published 2026-08-13.
How severe is CVE-2026-55986?: Medium severity. CVSS v3 base score is 5.4 out of 10.