Resource exhaustion in wger - CVE-2026-86255
Published: May 11, 2026 / Updated: September 14, 2026
Vulnerability identifier: #VU131010
CSH Severity: Medium
CVSS v4: 7.1 [CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N]
CVE-ID: CVE-2026-86255
CWE-ID: CWE-400
Exploitation vector: Remote access
Exploit availability:
Public exploit is available
Vulnerability details
The vulnerability allows a remote attacker to perform a denial of service (DoS) attack.
The vulnerability exists due to application does not properly control consumption of internal resources in RoutineSerializer function. A remote user can trigger resource exhaustion and perform a denial of service (DoS) attack.
Affected software
wger
How to mitigate CVE-2026-86255
Install updates from vendor's website.
wger - update to 2.6