CVE-2026-58422: Improper authorization on OAuth sign-in callback silently re-enables administrator-disabled accounts

Q: How do I fix CVE-2026-58422?

No fixed release is listed yet. Watch the vendor advisory and apply any mitigation shown on this page.

Q: Is CVE-2026-58422 being exploited?

CVE-2026-58422 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.

Q: What does CVE-2026-58422 affect?

CVE-2026-58422 affects affected software. Severity is critical (CVSS 9.8). Improper authorization on OAuth sign-in callback silently re-enables administrator-disabled accounts

Q: How urgent is CVE-2026-58422?

Priority 58/100. Critical severity; CISA SSVC: public proof of concept; CISA SSVC: automatable with total technical impact; Remotely exploitable, no login, no user action

This month

CRITICAL 9.8REMOTE

CVE-2026-58422 is a critical-severity flaw (CVSS 9.8) affecting affected software. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

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

Why this priority

Critical severity
CISA SSVC: public proof of concept
CISA SSVC: automatable with total technical impact
Remotely exploitable, no login, no user action

A fixed release or distro patch exists.

Risk facts

CVSS score	9.8 (Critical)
Attack vector	Network (remote)
Attack complexity	Low
Privileges needed	None
User interaction	None
EPSS exploit chance	0.6% (top 51%)
CISA exploited list	No
Weakness	CWE-284
Published	2026-07-03
Last modified	2026-10-25

Publisher (CNA): Gitea Limited

Last updated 2026-10-25 · Sources: CVE Program, NVD, CISA KEV, EPSS and vendor advisories · How we score

Timeline

2026-07-03 21:17 UTCPublished CVE record published
2026-10-25 15:10 UTCUpdated Record last modified

Exact fixes by distribution

Go · code.gitea.io/gitea · FIXED · 1.26.4 · vulnerable: < 1.26.4 · source

go get code.gitea.io/gitea@v1.26.4 go list -m code.gitea.io/gitea

Fedora ELN · nginx-mod-headers-more · FIXED · 0.41-1.eln159 · FEDORA-2026-31f55f396a · source

sudo dnf upgrade --advisory=FEDORA-2026-31f55f396a

Fedora 46 · erlang-hex_core · FIXED · 0.21.1-1.fc46 · FEDORA-2026-f3389199ff · source

sudo dnf upgrade --advisory=FEDORA-2026-f3389199ff

Public exploits and detection

Public code exists for this CVE. Treat unpatched systems as at risk, and only run PoCs in a lab.

Write-up: github.com/go-gitea/gitea/security/advisories/GHSA-g9g6-qhrc-p3qc

Verify at the official source NVD · CVE Program · Report a problem with this page
Scores and fixes here are computed automatically from those and other public sources. Confirm with the vendor advisory before changing production systems.

Quick answers

How do I fix CVE-2026-58422?

No fixed release is listed yet. Watch the vendor advisory and apply any mitigation shown on this page.

Is CVE-2026-58422 being exploited?

CVE-2026-58422 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.

What does CVE-2026-58422 affect?

CVE-2026-58422 affects affected software. Severity is critical (CVSS 9.8). Improper authorization on OAuth sign-in callback silently re-enables administrator-disabled accounts

How urgent is CVE-2026-58422?

Priority 58/100. Critical severity; CISA SSVC: public proof of concept; CISA SSVC: automatable with total technical impact; Remotely exploitable, no login, no user action

References

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