8.2

CVE-2026-27771: gitea gitea open source git server Missing Authorization

CVSS: 8.2v3.0HighDeferred
AliasesGHSA-8qw8-rq86-9pc2GO-2026-6017
Published 03-07-2026Last modified 07-07-2026
Open JSON

Vulnerability summary

CVE-2026-27771 is a high (CVSS 8.2) Missing Authorization vulnerability in gitea gitea open source git server. EPSS estimates a 1.39% chance of exploitation in the next 30 days, higher than 71.9% of scored vulnerabilities.

Overall risk
33/100
0100
Medium · default modelHow is this calculated?
CVSS score
8.2/10
010
High · v3.0 (CVE.org)
EPSS score
1.39%
0%100%
Low · 0.00 pp in 30 days
KEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded

Advisory lineage

Upstream 0 · Downstream 1 · Related 1
OPENSUSE-SU-2026:21483-1

Timeline

  1. 03-07-2026
    PublishedVulnerability first disclosed.
  2. 07-07-2026
    Last modifiedVulnerability information updated.

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.

CVSS metrics

3 scores · 3 sources · 1 version

EPSS trend

Probability

1.39%

Chance of exploitation in the next 30 days

Percentile

72%

Versus all other CVEs

30-day change

0.00 pp

From 1.39% on 20-09-2026

20-09-202620-10-2026
EPSS score
1.39%

Known exploited

Compare KEV catalogs

Not in any of the 3 tracked catalogs.

Public exploits

0 found

No public exploits indexed.

Weaknesses

CWE · root cause

Affected systems

Code.gitea.io1 product
  • gitea< 1.26.2
Gitea1 product

2 vendors · 2 products

References

7 links