Authorization bypass through user-controlled key in wger - CVE-2026-27835

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Main Vulnerability Database Vulnerabilities #VU123335

Authorization bypass through user-controlled key in wger - CVE-2026-27835

Published: February 27, 2026


Vulnerability identifier: #VU123335
CSH Severity: Low
CVSS v4.0: CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N/E:P/U:Clear
CVE-ID: CVE-2026-27835
CWE-ID: CWE-639
Exploitation vector: Remote access
Exploit availability: Public exploit is available
Vendor: wger Project
Affected software:
wger

Detailed vulnerability description

The vulnerability allows a remote attacker to compromise the target system.

The vulnerability exists due to the IDOR issue in RepetitionsConfig and MaxRepetitionsConfig. A remote user can gain access to sensitive information on the target system.


How to mitigate CVE-2026-27835

Cybersecurity Help is currently unaware of any official solution to address this vulnerability.

Sources