Allocation of Resources Without Limits or Throttling in Gitea - CVE-2026-73273
Published: August 31, 2026
Vulnerability identifier: #VU146360
CSH Severity: Low
CVSS v4: 5.3 [CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N]
CVE-ID: CVE-2026-73273
CWE-ID: CWE-770
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vulnerability details
The vulnerability allows a remote user to cause a denial of service.
The vulnerability exists due to allocation of resources without limits or throttling in the Maven checksum upload handler when processing checksum upload requests. A remote user can send a specially crafted checksum upload request to cause a denial of service.
Exploitation is reachable through checksum extension uploads such as .md5, .sha1, .sha256, and .sha512, and requires Maven package write access.
Affected software
Gitea
How to mitigate CVE-2026-73273
Install security update from vendor's website.
Gitea - update to 1.27.3