CVE-2026-88804

Unauthenticated update of public UI settings leading to stored cross-site scripting in Rancher

State: Published
Severity: 9.6 Critical
Published: Sep 28, 2026
Updated: Sep 28, 2026
Reserved: Sep 10, 2026

Description

An unauthenticated update of public UI settings could be used by remote attackers to execute a stored cross-site scripting attack in the Rancher UI, in SUSE Rancher 2.15 before 2.15.2, 2.14 before 2.14.6, 2.13 before 2.13.10, 2.12 before 2.12.14 and 2.11 before 2.11.18.

Scores

CVSS	Score	Vector	Source
3.1	9.6 Critical	CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:H	suse

Weaknesses

CWE-79 Improper neutralization of input during web page generation ('cross-site scripting')

Affected Products

Product	Versions
RancherSUSE	2.15.0 to before 2.15.2Affected 2.14.0 to before 2.14.6Affected 2.13.0 to before 2.13.10Affected 2.12.0 to before 2.12.14Affected 2.11.0se to before 2.11.18Affected

References

https://github.com/rancher/rancher/security/advisories/GHSA-992f-xh8r-jg2fvendor-advisory

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