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Fencer Vulns
critical 9.8

CVE-2026-58422 json

Improper authorization on OAuth sign-in callback silently re-enables administrator-disabled accounts

published 2026-07-03 4 mo ago modified 2026-10-25 15 d ago also GHSA-g9g6-qhrc-p3qc , GO-2026-6056 , EUVD-2026-41605

cvss
9.8
version 3.1, CNA
cisa kev
Not listed
not in CISA's catalog
epss
0.4%
EPSS 0.4% chance of exploitation in 30 days, percentile 37%
public exploits
0
none known

Summary

Improper authorization on OAuth sign-in callback silently re-enables administrator-disabled accounts

Patch / fix

  • go code.gitea.io/gitea 1.26.4
  • govulncheck-vulndb openSUSE Leap 16.0 0.0.20260723T184607-160000.1.1

opensuse advisories openSUSE-SU-2026:21483-1

CISA SSVC

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

Exploit prediction

0.43% chance of exploitation in the next 30 days, higher than 37% of all scored CVEs (FIRST EPSS, 2026-11-08).

Exploits and checks

  • github.com https://github.com/go-gitea/gitea/security/advisories/GHSA-g9g6-qhrc-p3qc 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
<1.26.4
1.26.4

Affected products

  • Gitea Gitea Open Source Git Server

Classification

Weakness

References

Sources

Fencer Vulns 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.