CVE-2026-20888

mediumpriority · track · 0OT risk · elevatedEPSS 0.003 · 26 %ileDEEUUS

grimoire priorityP3 · Track

Exploitable?

—

no known exploitation

Likely / severe?

0.33% (26th) EPSS

CVSS 4.3 · medium

Is it mine?

8 products

Check your exposure

Who says so?

5 sources

cnnvd · enisa_euvd · osv · cert_bund

EPSS · scored 2026-10-26

Gitea does not properly verify authorization when canceling scheduled auto-merges via the web interface. A user with read access to pull requests may be able to cancel auto-merges scheduled by other users.

cvss

Technical severity, 0–10. One row per scoring source.

4.3

010

base score 0–10 · higher = more severe · hover a vector to decode

v3.14.3mediumCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:Nsecondary · ENISA EU

v3.14.3mediumCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:Nsecondaryexploitability 2.8 · impact 1.4

v3.14mediumCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N/E:Usecondary · CVSS-BT (t0sche)

ssvc

A stakeholder decision — act, attend, or track — from exploitation and impact.

Trackcoordinatorcisa_ssvcUS

weaknesses

The CWE weakness classes this flaw belongs to.

CWE-284USCWE-284USCWE-862US

affected products (8)

Products and version ranges known to be affected.

Open Source Gitea <1.25.4all versionscert_bundDE
SUSE Linuxall versionscert_bundDEcpe:/o:suse:suse_linux:-
Open Source Gitea< 1.25.4cert_bundDE
Gitea Gitea Open Source Git Server≤ 0 ≤1.25.3enisa_euvdEU
gitea gitea< 1.25.4nvdUScpe:2.3:a:gitea:gitea:*:*:*:*:*:*:*:*
Bitnami gitea< 1.25.4osvUSpkg:bitnami/gitea
Go code.gitea.io/gitea< 1.25.4osvUSpkg:golang/code.gitea.io/gitea
Go github.com/go-gitea/gitea< 1.25.4osvUSpkg:golang/github.com/go-gitea/gitea

advisories (4)

Vendor and ecosystem advisories describing this.

WID-SEC-W-2026-0200Gitea: Mehrere SchwachstellenDeutsch2026-01-22csaf · cert_bundDE
Ein Angreifer kann mehrere Schwachstellen in Gitea ausnutzen, um Informationen offenzulegen, und um Sicherheitsvorkehrungen zu umgehen.
GHSA-9cgq-wp42-4rpqGitea does not properly verify authorization when canceling scheduled auto-merges via the web interface2026-01-23ghsa · osvUS
Gitea does not properly verify authorization when canceling scheduled auto-merges via the web interface. A user with read access to pull requests may be able to cancel auto-merges scheduled by other users.
BIT-gitea-2026-20888Gitea Pull Requests Auto-Merge: Read-Only Users Can Cancel Scheduled Auto-Merge via Web Endpoint (Authorization Bypass)2026-01-30vendor · osvUS
Gitea does not properly verify authorization when canceling scheduled auto-merges via the web interface. A user with read access to pull requests may be able to cancel auto-merges scheduled by other users.
GO-2026-4366Gitea does not properly verify authorization when canceling scheduled auto-merges via the web interface in code.gitea.io/gitea2026-02-02vendor · osvUS
Gitea does not properly verify authorization when canceling scheduled auto-merges via the web interface in code.gitea.io/gitea

also known as (7)

Other names and identifiers for this entity.

sources

Which sources assert this record, and when.

cnnvd enisa_euvd osv cert_bund nvd NVD CVE.org MITRE

published 2026-01-22modified 2026-06-17

references (16)

External citations — patches, advisories, analysis.

scry

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