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OpenAdvisories
Critical · 9.6 Scanner template Public exploit CVE-2026-88804 EUVD-2026-88340

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

Published Sep 28, 2026 · Updated Sep 28, 2026 · Assigned by suse

Vendor: SUSE Product: Rancher

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.

Affected products

VendorProductAffectedFixed
SUSE Rancher 2.15.0 – < 2.15.2, 2.14.0 – < 2.14.6, 2.13.0 – < 2.13.10, 2.12.0 – < 2.12.14, 2.11.0se – < 2.11.18 2.15.2

Public exploits

Exploit or proof-of-concept code for this vulnerability is publicly available, which lowers the bar for attackers. Treat it as a reason to patch sooner.

Third-party code, not reviewed by us. Public PoCs are sometimes fake or contain malware. Read the code first and run it only in an isolated lab, against systems you are authorised to test.

GitHub 1 repository

Sources: PoC-in-GitHub, Metasploit Framework, Exploit-DB — updated daily. Only links are listed; no exploit code is hosted here.

Automated scanner template

A ready-made Nuclei template detects this vulnerability automatically. Vulnerabilities with public scanner templates are typically probed across the internet soon after the template appears — exposed systems should be patched first.

Source: projectdiscovery/nuclei-templates (MIT) — updated daily. Only links are listed.

Advisories 1

References