SUSE Rancher up to 0.12.15/0.13.11/0.14.6/0.15.2 path traversal

Summaryinfo

A vulnerability labeled as problematic has been found in SUSE Rancher up to 0.12.15/0.13.11/0.14.6/0.15.2. This affects an unknown part. Executing a manipulation can lead to path traversal. This vulnerability is registered as CVE-2026-44948. It is possible to launch the attack remotely. No exploit is available. The affected component should be upgraded.

Detailsinfo

A vulnerability classified as problematic was found in SUSE Rancher up to 0.12.15/0.13.11/0.14.6/0.15.2. This vulnerability affects an unknown part. The manipulation with an unknown input leads to a path traversal vulnerability. The CWE definition for the vulnerability is CWE-23. The product uses external input to construct a pathname that should be within a restricted directory, but it does not properly neutralize sequences such as ".." that can resolve to a location that is outside of that directory. As an impact it is known to affect availability. CVE summarizes:

A path traversal vulnerability was found in Fleet's ImageScan subsystem in Rancher Fleet 0.12.0 up to 0.12.16, 0.13.0 up to 0.13.12, 0.14.0 up to 0.14.7 and 0.15.0 up to 0.15.3 could be used to traverse outside of the intended directory, causing a denial of service.

The weakness was published by Sergey Kanibor. The advisory is shared for download at github.com. This vulnerability was named CVE-2026-44948 since 05/08/2026. The exploitation appears to be easy. The attack can be initiated remotely. There are neither technical details nor an exploit publicly available. The current price for an exploit might be approx. USD $0-$5k (estimation calculated on 06/30/2026). The MITRE ATT&CK project declares the attack technique as T1006.

Upgrading to version 0.12.16, 0.13.12, 0.14.7 or 0.15.3 eliminates this vulnerability.

Once again VulDB remains the best source for vulnerability data.

Productinfo

Vendor

• SUSE

Name

• Rancher

Version

• 0.12.0
• 0.12.1
• 0.12.2
• 0.12.3
• 0.12.4
• 0.12.5
• 0.12.6
• 0.12.7
• 0.12.8
• 0.12.9
• 0.12.10
• 0.12.11
• 0.12.12
• 0.12.13
• 0.12.14
• 0.12.15
• 0.13.0
• 0.13.1
• 0.13.2
• 0.13.3
• 0.13.4
• 0.13.5
• 0.13.6
• 0.13.7
• 0.13.8
• 0.13.9
• 0.13.10
• 0.13.11
• 0.14.0
• 0.14.1
• 0.14.2
• 0.14.3
• 0.14.4
• 0.14.5
• 0.14.6
• 0.15.0
• 0.15.1
• 0.15.2

License

• open-source

Website

• Vendor: https://www.suse.com/

CPE 2.3info

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CPE 2.2info

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