Skip to content
Fencer Intel
critical 9.8

CVE-2026-56654 json

Privilege Escalation via Access Token Scope Escalation in API

published 3mo ago modified 2mo ago also GHSA-683j-3ff6-hh2x , GO-2026-6034 , EUVD-2026-58143

cvss
9.8
version 3.1, CNA
cisa kev
Not listed
not in CISA's catalog
epss
0.8%
EPSS 0.8% chance of exploitation in 30 days, percentile 57%
public exploits
0
none known

Summary

Privilege Escalation via Access Token Scope Escalation in API

Patch / fix

  • go code.gitea.io/gitea 1.27.0
  • go gitea.dev 1.27.0
  • govulncheck-vulndb openSUSE Leap 16.0 0.0.20260723T184607-160000.1.1

opensuse advisories openSUSE-SU-2026:21483-1

Is CVE-2026-56654 in your dependencies? Fencer shows which of your repositories are affected as soon as an advisory lands, and opens the fix as a pull request.

Check with Fencer

Vendor advisories

What the vendors themselves say about their products: affected, fixed or not affected, and what to do.

red hat product security vex CVE-2026-56654 updated cvss 8.8

code.gitea.io/gitea: Gitea: Privilege Escalation via API Access Token Scope Escalation

  • Red Hat OpenShift Pipelines openshift-pipelines/pipelines-opc-rhel9, openshift-pipelines-client 1.22.0-11814.el9, openshift-pipelines/pipelines-cli-tkn-rhel9, openshift-pipelines/pipelines-pipelines-as-code-cli-rhel9, openshift-pipelines/pipelines-pipelines-as-code-watcher-rhel9, openshift-pipelines/pipelines-pipelines-as-code-controller-rhel9
    not affected: vulnerable code not present

Red Hat CSAF VEX © Red Hat, Inc., from https://security.access.redhat.com/data/csaf/v2/vex/; changed: reduced to product statuses and remediations. CC BY 4.0 · csaf

CISA SSVC

Exploitation
Proof of concept is public
Automatable
yes
Technical impact
total
Assessed
2mo ago

Exploit prediction

0.83% chance of exploitation in the next 30 days, higher than 57% of all scored CVEs (FIRST EPSS, 2026-11-11).

Exploits and checks

  • github.com https://github.com/go-gitea/gitea/security/advisories/GHSA-683j-3ff6-hh2x referenced PoC, tagged "exploit" by a source, unverified

CVSS scores

assigned by version score vector
CISA ADP 3.1 9.8 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
CNA 3.1 9.8 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Affected packages

ecosystem package affected fixed in
go code.gitea.io/gitea
<1.27.0
1.27.0
go gitea.dev
<1.27.0
1.27.0

Affected products

  • Gitea Gitea Open Source Git Server

Classification

Weakness

References

Sources

Fencer Intel keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.