CVE-2026-27771

highpriority · track · 10OT risk · elevatedEPSS 0.014 · 72 %ileexploit · PoCDEEURUUS

grimoire priorityP1 · Urgent

Exploitable?

Public exploit

2 exploits · PoC

Likely / severe?

1.39% (72nd) EPSS

CVSS 8.2 · high

Is it mine?

5 products

Check your exposure

Who says so?

5 sources

cnnvd · enisa_euvd · fstec_bdu · osv

EPSS · scored 2026-10-23

Gitea versions up to and including 1.26.1 have insufficient permission checks for Composer package source links, which can expose private or internal package source information.

cvss

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

8.2

010

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

v3.08.2highCVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:L/A:Nsecondary · ENISA EU

v3.08.2highCVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:L/A:Nsecondaryexploitability 3.9 · impact 4.2

v3.08.2highCVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:L/A:Nsecondary · OSV

v3.17.5highAV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:Nsecondary · FSTEC (BDU) RU

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-306USCWE-862USCWE-862US

exploits (2)

Public proof-of-concept and weaponised exploit code.

HORKimhab/CVE-2026-27771CVE-2026-27771PoC · poc_in_github
portbuster1337/CVE-2026-27771CVE-2026-27771 - Gitea/Forgejo Container Registry Auth Bypass Exploit PoC - Pull private container images without authenticationPoC · poc_in_github

affected products (5)

Products and version ranges known to be affected.

Open Source Gitea <1.26.2all versionscert_bundDE
Open Source Gitea< 1.26.2cert_bundDE
Gitea Gitea Open Source Git Server≤ 0 ≤1.26.1enisa_euvdEU
Сообщество свободного программного обеспечения Gitea≤ 1.26.2fstec_bduRU
Go code.gitea.io/gitea< 1.26.2osvUSpkg:golang/code.gitea.io/gitea

advisories (3)

Vendor and ecosystem advisories describing this.

WID-SEC-W-2026-1637Gitea: Mehrere SchwachstellenDeutsch2026-05-21csaf · cert_bundDE
Ein Angreifer kann mehrere Schwachstellen in Gitea ausnutzen, um möglicherweise erweiterte Privilegien zu erlangen, Sicherheitsmaßnahmen zu umgehen oder Daten zu manipulieren und offenzulegen.
GHSA-8qw8-rq86-9pc2Gitea has insufficient permission checks for Composer package source links2026-07-17ghsa · osvUS
### CVE Description Gitea versions up to and including 1.26.1 have insufficient permission checks for Composer package source links, which can expose private or internal package source information. ### Summary A critical vulnerability has been discovered in Gitea. It was already reported via (security@gitea.io) from (dev@noscope.com), and submitted an encrypted report.
GO-2026-6017Gitea has insufficient permission checks for Composer package source links in code.gitea.io/gitea2026-07-22vendor · osvUS
Gitea has insufficient permission checks for Composer package source links in code.gitea.io/gitea

also known as (6)

Other names and identifiers for this entity.

sources

Which sources assert this record, and when.

cnnvd enisa_euvd fstec_bdu osv cert_bund NVD CVE.org MITRE

published 2026-07-03modified 2026-07-07

references (13)

External citations — patches, advisories, analysis.

scry

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