CVE-2022-27305 Auth bypass in n/a

High 8.8 Published 25 May 2022 Updated 9 Jul 2026

Attackers can hijack user sessions in Gibbon because the application fails to regenerate session IDs after authentication.

Exploited in the wild: Not known
Login needed: Not needed
Attackable: Over the internet
Victim action needed: A user has to click or open something
Fix: None listed

What is CVE-2022-27305?

CVE-2022-27305 is a high-severity authentication bypass vulnerability in n/a, published on 25 May 2022. An attacker can exploit it over the internet without logging in, and only if a user opens a file or follows a link.

Official description

Gibbon v23 does not generate a new session ID cookie after a user authenticates, making the application vulnerable to session fixation.

Weakness: CWE-384

Which versions are affected by CVE-2022-27305?

It affects 1 product.

Products include Gibbonedu Gibbon.

How do I fix CVE-2022-27305?

No fix has been published for CVE-2022-27305 yet. Limit exposure of the affected software until one is available.

Upgrade, and rotate credentials and sessions that may have been exposed. More about Authentication bypass.

Is CVE-2022-27305 being exploited?

There is no known exploitation of CVE-2022-27305 in the wild and no public exploit code.

Sources

Also known as GHSA-4mq5-8jvh-qq3p.