CVE-2026-88804

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

Published Sep 28, 2026 CVSS 3.1 · 9.6 Critical EPSS 1.0% KEV · Not listed
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.

Remediation

No solution or workaround provided in the CVE record

Tracking

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Advisories

No advisories available
History
Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'total'}, 'version': '2.0.3'}

Type Values Removed Values Added
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.
Title Unauthenticated update of public UI settings leading to stored cross-site scripting in Rancher
First Time appeared Suse
Suse rancher
Weaknesses CWE-79
CPEs cpe:2.3:a:suse:rancher:*:*:*:*:*:*:*:*
Vendors & Products Suse
Suse rancher
References
Metrics cvssV3_1

{'score': 9.6, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:H'}

Weaknesses

Sources

Status
PUBLISHED
Assigner
suse
Published
Updated
Sep 28, 2026, 6:02 PM
Reserved
Sep 10, 2026, 8:35 AM
Status
Awaiting Analysis
Published
Sep 28, 2026, 4:17 PM
Modified
Sep 29, 2026, 9:32 PM