CVE-2026-58428 Release attachment extension allowlist bypass via web release edit form (variant of CVE-2025-68939)

Medium 6.5 Published Updated

Attackers can bypass file extension restrictions to upload malicious files via the web release edit form in Gitea.

Exploited in the wild
Not known
Login needed
Any signed-in user
Attackable
Over the internet
Victim action needed
Not needed
Fix
Available

What is CVE-2026-58428?

CVE-2026-58428 is a medium-severity vulnerability in Gitea Open Source Git Server, published on 13 Aug 2026. Any signed-in user can exploit it over the network, with no action from the victim.

Official description

Release attachment extension allowlist bypass via web release edit form (variant of CVE-2025-68939)

Weakness: CWE-434, CWE-424

Which versions are affected by CVE-2026-58428?

3 open source packages ship an affected version, including code.gitea.io/gitea and gitea.dev.

PackageAffectedFixed in
code.gitea.io/gitea GoAll versions1.27.0
code.gitea.io/gitea GoAll versions1.27.0
gitea.dev GoAll versions1.27.0

How do I fix CVE-2026-58428?

Upgrade code.gitea.io/gitea to 1.27.0 or later.

Is CVE-2026-58428 being exploited?

It is not confirmed as exploited in the wild, but public exploit code for CVE-2026-58428 exists.

Sources

Also known as GHSA-25gq-j9jx-43pg, GO-2026-6028, MINI-7x3q-455m-wm95, MINI-c9jw-938q-p89f.

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