---
id: CVE-2026-88804
title: >-
  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…
summary: >-
  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…
severity: critical
cvss: 9.6
cvssVector: 'CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:H'
cwe:
  - CWE-79
vendor: SUSE
product: Rancher
affected:
  - Rancher >= 2.15.0 < 2.15.2
  - Rancher >= 2.14.0 < 2.14.6
  - Rancher >= 2.13.0 < 2.13.10
  - Rancher >= 2.12.0 < 2.12.14
  - Rancher >= 2.11.0se < 2.11.18
published: '2026-09-28'
updated: '2026-09-28'
sourceUpdated: '2026-09-28T16:17:15.827'
source: NVD
sourceUrl: 'https://nvd.nist.gov/vuln/detail/CVE-2026-88804'
references:
  - url: 'https://github.com/rancher/rancher/security/advisories/GHSA-992f-xh8r-jg2f'
    label: meissner@suse.de
tags:
  - nvd
  - cve.org
ingestedAt: '2026-09-28T16:15:01.369Z'
---

## Overview

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

Refer to the linked advisories for vendor-supplied fixes and affected version ranges.