Session Not Revoked Server-Side on Logout in Rancher

published 2026-09-28 42 d ago modified 2026-09-29 40 d ago also EUVD-2026-88339

cvss: 8.1; version 3.1, CNA
cisa kev: Not listed; not in CISA's catalog
epss: 0.3%; EPSS 0.3% chance of exploitation in 30 days, percentile 16%
public exploits: 0; none known

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.

Patch / fix

fixed in 1

SUSE Rancher 2.15.2

CISA SSVC

Exploitation: none
Automatable: no
Technical impact: total
Assessed: 42 d ago (2026-09-28)

Exploit prediction

0.25% chance of exploitation in the next 30 days, higher than 16% of all scored CVEs (FIRST EPSS, 2026-11-08).

CVSS scores

assigned by	version	score	vector
CNA	3.1	8.1	CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:N

Affected products

SUSE Rancher

Classification

Weakness

CWE-613 DEPRECATED: Insufficient Session Expiration

References

github.com /rancher/rancher/security/advisories/GHSA-6vpq-mf48-9794
vendor-advisory

Sources

CVE List CVE-2026-88805
NVD CVE-2026-88805

Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.

Summary