9.6

CVE-2026-88804: suse rancher Cross-site Scripting

CVSS: 9.6v3.1CriticalAwaiting analysis
Published 28-09-2026Last modified 28-09-2026

Vulnerability summary

CVE-2026-88804 is a critical (CVSS 9.6) Cross-site Scripting vulnerability in suse rancher. EPSS estimates a 0.60% chance of exploitation in the next 30 days, higher than 47.9% of scored vulnerabilities.

Overall risk
70/100
0100
High · default modelHow is this calculated?
CVSS score
9.6/10
010
Critical · v3.1 (CVE.org)
EPSS score
0.60%
0%100%
Low · Change unavailable
KEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded

Timeline

  1. 28-09-2026
    PublishedVulnerability first disclosed.
  2. 28-09-2026
    Last modifiedVulnerability information updated.

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.

CVSS metrics

2 scores · 2 sources · 1 version

EPSS trend

Probability

0.60%

Chance of exploitation in the next 30 days

Percentile

48%

Versus all other CVEs

30-day change

Change unavailable

Change unavailable

29-09-202621-10-2026
EPSS score
0.60%

Known exploited

Compare KEV catalogs

Not in any of the 3 tracked catalogs.

Public exploits

0 found

No public exploits indexed.

Weaknesses

CWE · root cause

Affected systems

Suse1 product
  • 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

1 vendor · 1 product

References

1 links