CVE-2022-31249: [RANCHER] OS command injection in Rancher and Fleet

Severity: critical (CVSS 9.8 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 3.8% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2023-02-07 · updated 2026-06-17
Weakness: CWE-78

Description

A Improper Neutralization of Special Elements used in an OS Command ('OS Command Injection') vulnerability in wrangler of SUSE Rancher allows remote attackers to inject commands in the underlying host via crafted commands passed to Wrangler. This issue affects: SUSE Rancher wrangler version 0.7.3 and prior versions; wrangler version 0.8.4 and prior versions; wrangler version 1.0.0 and prior versions.

Affected products

SUSE Wrangler: before 0.7.4; from 0.8.0 before 0.8.5; 1.0.0 — fixed in 0.7.4, 0.8.5

How to fix

Upgrade to a fixed version: SUSE Wrangler 0.7.4, 0.8.5. Check the vendor advisory for mitigations.

References

Get alerted when CVE-2022-31249 or the next vulnerability affects your stack