by Kastro
Paper/Archive/CVE-2026-88804

CVE-2026-88804

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

EPSS 0.4%CVSS 9.6
critical.is priorityof 100
35
CVSS 9.6 (CNA)9.6 / 10 × 3028.8Not in CISA KEV+300.0EPSS percentile 29.0.290 × 205.8No public exploit+100.0SSVC exploitation: none+100.0
Description · from the CVE record

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

ProductAffectedFixed inSource
Rancher2.15.0 – < 2.15.22.15.2CNA
Rancher2.14.0 – < 2.14.62.14.6CNA
Rancher2.13.0 – < 2.13.102.13.10CNA
Rancher2.12.0 – < 2.12.142.12.14CNA
Rancher2.11.0se – < 2.11.182.11.18CNA

Scores by source

suse (CNA)9.6CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:H
CISA ADPSSVCExploitation: none · Automatable: no · Technical impact: total

References

advisorygithub.com/rancher/rancher/security/advisories/GHSA-992f-xh8r-jg2f