Vulnerability · Published Nov 2, 2026 · Assigned by suse

CVE-2026-88811Rancher credentials disclosed to third-party hosts by the Rancher Manager meta proxy

Critical 9.1

In plain English

A critical-severity security flaw in Rancher from SUSE. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.4% (higher than 37% of all known vulnerabilities).

Severity (CVSS 3.1)9.1Critical
Exploit odds (30 days)0.4%top 62.9% of all CVEs
Exploited in the wildNo reportsCISA SSVC: none
Attack toolingNoneno public tooling known

Official description

Missing filtering in the SUSE Rancher Manager meta proxy could cause passed in rancher credentials to be leaked to cloud providers. This affects SUSE Rancher 2.15.0 up to 2.15.3, 2.14.0 up to 2.14.7, 2.13.0 up to 2.13.11,

Affected products (as reported)

VendorProductVersions
SUSE Rancher 2.15.0 – before 2.15.32.14.0 – before 2.14.72.13.0 – before 2.13.112.12.0 – before 2.12.152.11.0 – before 2.11.19

Weakness: CWE-201 · Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N

References