CVE-2026-20736

highpriority · track · 0EPSS 0.004 · 37 %ileDEEUUS

grimoire priorityP2 · Scheduled

Exploitable?

—

no known exploitation

Likely / severe?

0.43% (37th) EPSS

CVSS 7.5 · high

Is it mine?

7 products

Check your exposure

Who says so?

5 sources

cnnvd · enisa_euvd · osv · cert_bund

EPSS · scored 2026-10-27

Gitea does not properly verify repository context when deleting attachments. A user who previously uploaded an attachment to a repository may be able to delete it after losing access to that repository by making the request through a different repository they can access.

cvss

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

7.5

010

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

v3.17.5highCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:Nsecondary · ENISA EU

v3.17.5highCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:Nsecondaryexploitability 3.9 · impact 3.6

ssvc

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

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

weaknesses

The CWE weakness classes this flaw belongs to.

CWE-284USCWE-284US

affected products (7)

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

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-hgr3-x44x-33hxGitea has improper access control for uploaded attachments2026-01-23ghsa · osvUS
Gitea does not properly verify repository context when deleting attachments. A user who previously uploaded an attachment to a repository may be able to delete it after losing access to that repository by making the request through a different repository they can access.
BIT-gitea-2026-20736Gitea Web Attachment Deletion: Cross-Repository Unauthorized Deletion via Missing Repo Ownership Check2026-01-30vendor · osvUS
Gitea does not properly verify repository context when deleting attachments. A user who previously uploaded an attachment to a repository may be able to delete it after losing access to that repository by making the request through a different repository they can access.
GO-2026-4367Gitea has improper access control for uploaded attachments in code.gitea.io/gitea2026-02-02vendor · osvUS
Gitea has improper access control for uploaded attachments 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 (16)

External citations — patches, advisories, analysis.

scry

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