What is CVE-2026-22547?

CVE-2026-22547 is a critical-severity vulnerability in Gitea Open Source Git Server, classified under Improper Input Validation. CVSS score: 9.1/10. Published 2026-07-03.

How severe is CVE-2026-22547?

Critical severity. CVSS v3 base score is 9.1 out of 10.

Improper input validation in Gitea Open Source Git Server

CVE-2026-22547

Gitea versions before 1.25.5 lack validation constraints for repository creation fields, including length-limited template fields and trust model or object format values.

Vulnerability class: Drupalgeddon 2 (CVE-2018-7600)

Published 2026-07-03 · last modified 2026-07-07.

CVSS v3 metric

CVSS v3 base score 9.1 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N.

EPSS exploit prediction

EPSS: 0.005 (42.2th percentile), scored 2026-10-02.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 42nd percentile — 42.2% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.005 · newest: 0.005 · change: 0.000

Affected products

Gitea Open Source Git Server — versions 0

Weakness classification (CWE)

CWE-20 — Improper Input Validation

References

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

Frequently asked questions

What is CVE-2026-22547?: CVE-2026-22547 is a critical-severity vulnerability in Gitea Open Source Git Server, classified under Improper Input Validation. CVSS score: 9.1/10. Published 2026-07-03.
How severe is CVE-2026-22547?: Critical severity. CVSS v3 base score is 9.1 out of 10.