CVE-2026-88805 Session Not Revoked Server-Side on Logout in Rancher
Remote attackers can retain access credentials after logout due to improper session revocation, allowing unauthorized account access.
- 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-2026-88805?
CVE-2026-88805 is a high-severity authentication bypass vulnerability in SUSE Rancher, published on 28 Sep 2026. 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
Incorrect credential cleaning on logout could be used by remote attackers to keep access credentials even after the account was logged out. Affected is SUSE Rancher 2.15 before 2.15.2.
Weakness: CWE-613
Which versions are affected by CVE-2026-88805?
How do I fix CVE-2026-88805?
No fix has been published for CVE-2026-88805 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-2026-88805 being exploited?
There is no known exploitation of CVE-2026-88805 in the wild and no public exploit code.
Sources
Also known as GHSA-6vpq-mf48-9794.