What is CVE-2026-88805?

CVE-2026-88805 is a high-severity vulnerability in SUSE Rancher, classified under Insufficient Session Expiration. CVSS score: 8.1/10. Published 2026-09-28.

How severe is CVE-2026-88805?

High severity. CVSS v3 base score is 8.1 out of 10.

Vulnerability in SUSE Rancher

CVE-2026-88805

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.

Published 2026-09-28 · last modified 2026-09-29.

CVSS v3 metric

CVSS v3 base score 8.1 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:N.

EPSS exploit prediction

No EPSS score from FIRST.org yet. New CVEs usually get one within a few days; no score means no signal yet, not low risk. How EPSS works.

Affected products

SUSE Rancher

Weakness classification (CWE)

CWE-613 — Insufficient Session Expiration

References

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

Frequently asked questions

What is CVE-2026-88805?: CVE-2026-88805 is a high-severity vulnerability in SUSE Rancher, classified under Insufficient Session Expiration. CVSS score: 8.1/10. Published 2026-09-28.
How severe is CVE-2026-88805?: High severity. CVSS v3 base score is 8.1 out of 10.