9.8

CVE-2026-56654: gitea gitea open source git server Improper Access Control

CVSS: 9.8v3.1CriticalDeferred
AliasesGHSA-683j-3ff6-hh2xGO-2026-6034
Published 13-08-2026Last modified 14-08-2026
Open JSON

Vulnerability summary

CVE-2026-56654 is a critical (CVSS 9.8) Improper Access Control vulnerability in gitea gitea open source git server. EPSS estimates a 0.60% chance of exploitation in the next 30 days, higher than 47.7% of scored vulnerabilities.

Overall risk
70/100
0100
High · default modelHow is this calculated?
CVSS score
9.8/10
010
Critical · v3.1 (CVE.org)
EPSS score
0.60%
0%100%
Low · +0.18 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. 13-08-2026
    PublishedVulnerability first disclosed.
  2. 14-08-2026
    Last modifiedVulnerability information updated.

Description

Privilege Escalation via Access Token Scope Escalation in API

CVSS metrics

3 scores · 3 sources · 2 versions

EPSS trend

Probability

0.60%

Chance of exploitation in the next 30 days

Percentile

48%

Versus all other CVEs

30-day change

+0.18 pp

From 0.42% on 19-09-2026

19-09-202619-10-2026
EPSS score
0.60%

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< 1.27.0
Gitea1 product
Go1 product
  • gitea.dev< 1.27.0

3 vendors · 3 products

References

8 links