CVE-2026-22547: Gitea versions before 1.25.5 lack validation constraints for repository creation fields, including length-limi

Q: How do I fix CVE-2026-22547?

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

Q: Is CVE-2026-22547 being exploited?

CVE-2026-22547 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-2026-22547 affect?

CVE-2026-22547 affects affected software. Severity is critical (CVSS 9.1). Gitea versions before 1.25.5 lack validation constraints for repository creation fields, including length-limited template fields and trust model or object format values.

Q: How urgent is CVE-2026-22547?

Priority 51/100. Critical severity; CISA SSVC: automatable with total technical impact; Remotely exploitable, no login, no user action

This month

CRITICAL 9.1REMOTE

CVE-2026-22547 is a critical-severity flaw (CVSS 9.1) affecting affected software. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

Gitea versions before 1.25.5 lack validation constraints for repository creation fields, including length-limited template fields and trust model or object format values.

Why this priority

Critical severity
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	9.1 (Critical)
Attack vector	Network (remote)
Attack complexity	Low
Privileges needed	None
User interaction	None
EPSS exploit chance	0.5% (top 56%)
CISA exploited list	No
Weakness	CWE-20
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 21:16 UTCPublished CVE record published
2026-10-25 15:10 UTCUpdated Record last modified

Exact fixes by distribution

Go · code.gitea.io/gitea · FIXED · 1.25.5 · vulnerable: < 1.25.5 · source

go get code.gitea.io/gitea@v1.25.5 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

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-2026-22547?

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

Is CVE-2026-22547 being exploited?

CVE-2026-22547 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-2026-22547 affect?

CVE-2026-22547 affects affected software. Severity is critical (CVSS 9.1). Gitea versions before 1.25.5 lack validation constraints for repository creation fields, including length-limited template fields and trust model or object format values.

How urgent is CVE-2026-22547?

Priority 51/100. Critical severity; CISA SSVC: automatable with total technical impact; Remotely exploitable, no login, no user action

Software pages

Gitea vulnerabilities

References

← Back to latest CVEs