CVE-2026-20897

criticalpriority · track · 0EPSS 0.005 · 39 %ileDEEUUS

grimoire priorityP2 · Scheduled

Exploitable?

—

no known exploitation

Likely / severe?

0.46% (39th) EPSS

CVSS 9.1 · critical

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 validate repository ownership when deleting Git LFS locks. A user with write access to one repository may be able to delete LFS locks belonging to other repositories.

cvss

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

9.1

010

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

v3.19.1criticalCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:Nsecondary · ENISA EU

v3.19.1criticalCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:Nsecondaryexploitability 3.9 · impact 5.2

ssvc

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

Exploitation: none · Automatable: yes · Technical Impact: totalcoordinatorcisa_ssvcUS

weaknesses

The CWE weakness classes this flaw belongs to.

CWE-284USCWE-284USCWE-639US

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-393c-qgvj-3xphGitea does not properly validate repository ownership when deleting Git LFS locks2026-01-23ghsa · osvUS
Gitea does not properly validate repository ownership when deleting Git LFS locks. A user with write access to one repository may be able to delete LFS locks belonging to other repositories.
BIT-gitea-2026-20897Gitea Git LFS Lock Deletion Broken Access Control (Cross-Repo IDOR)2026-01-30vendor · osvUS
Gitea does not properly validate repository ownership when deleting Git LFS locks. A user with write access to one repository may be able to delete LFS locks belonging to other repositories.
GO-2026-4363Gitea does not properly validate repository ownership when deleting Git LFS locks in code.gitea.io/gitea2026-02-02vendor · osvUS
Gitea does not properly validate repository ownership when deleting Git LFS locks 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 2026-07-15

references (19)

External citations — patches, advisories, analysis.

scry

Attackers weaponise vulnerabilities like this against internet-exposed services. See what is exposed on your perimeter with a free passive scan.

Free scan