Improper authentication in Gaia - CVE-2026-50751

 

Improper authentication in Gaia - CVE-2026-50751

Published: June 9, 2026 / Updated: August 31, 2026


Vulnerability identifier: #VU134144
CSH Severity: High
CVSS v4: 7 [CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:N/VI:N/VA:N/SC:H/SI:H/SA:N]
CVE-ID: CVE-2026-50751
CWE-ID: CWE-287
Exploitation vector: Remote access
Exploit availability: The vulnerability is being exploited in the wild

Vulnerability details

The vulnerability allows a remote attacker to bypass authentication process.

The vulnerability exists due to a logic error in the Remote Access and Mobile Access certificate validation during deprecated IKEv1 key exchange. A remote attacker can establish a remote access VPN connection without a valid user password and gain access to network resources available to authenticated users.

Note, the vulnerability is being actively exploited in the wild.


Affected software

Gaia

How to mitigate CVE-2026-50751

Install updates from vendor's website.

Gaia - addressed in versions R81.20 Take 113.2, R81.20 Take 120.2, R81.20 Take 127.2, R81.20 Take 141.2, R82.10 Take 6.2, R82.10 Take 19.3, R82 Take 103.2

Links to Public Exploits and PoC-codes

External References

Related Security Bulletins