CVE-2026-88804
CriticalPublished
Unauthenticated update of public UI settings leading to stored cross-site scripting in Rancher
- Published
- Sep 28, 2026
- Updated
- Sep 28, 2026
- Assigning CNA
- suse
Primary CVSS
9.6/ 10Critical
nvd · CVSS 3.1
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:H0.4%
Low · next 30 days
- Percentile
- 29.0%
- Model date
- Nov 2, 2026
EPSS is a statistical estimate, not a certainty or a measure of impact. Combine it with CVSS, KEV status, exposure and your environment.
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 2.12.14 and 2.11 before 2.11.18.
Sources
Repository evidence: Files: 1 · Repositories: 1
1 Template
http/cves/2026/CVE-2026-88804.yaml
Nuclei TemplatesDeclared conditions
- network: http($.protocol_keys)
- verification: status,word($.matchers[*].type)
Responsible use
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