oscal-compass compliance-trestle up to 3.12.1/4.0.2 Profile Import Mechanism resolve imports[].href path traversal

Summaryinfo

A vulnerability marked as problematic has been reported in oscal-compass compliance-trestle up to 3.12.1/4.0.2. The affected element is the function resolve of the component Profile Import Mechanism. The manipulation of the argument imports[].href leads to path traversal. This vulnerability is listed as CVE-2026-45774. The attack may be initiated remotely. There is no available exploit.

Detailsinfo

A vulnerability was found in oscal-compass compliance-trestle up to 3.12.1/4.0.2 and classified as problematic. This issue affects the function resolve of the component Profile Import Mechanism. The manipulation of the argument imports[].href with an unknown input leads to a path traversal vulnerability. Using CWE to declare the problem leads to CWE-22. The product uses external input to construct a pathname that is intended to identify a file or directory that is located underneath a restricted parent directory, but the product does not properly neutralize special elements within the pathname that can cause the pathname to resolve to a location that is outside of the restricted directory. Impacted is confidentiality. The summary by CVE is:

compliance-trestle is a tooling platform for managing compliance as code. Prior to versiions 3.12.2 and 4.0.3, the compliance-trestle library's profile import mechanism resolves `trestle://` URIs and relative file paths by joining them with `trestle_root` and calling `.resolve()`, but performs no boundary check to ensure the resolved path stays within the trestle workspace. An attacker can craft a malicious OSCAL profile YAML with `imports[].href` containing path traversal sequences to read arbitrary files from the server filesystem. Versions 3.12.3 and 4.0.3 patch the issue.

The advisory is shared at github.com. The identification of this vulnerability is CVE-2026-45774 since 05/13/2026. The exploitation is known to be easy. The attack may be initiated remotely. Technical details are known, but no exploit is available. MITRE ATT&CK project uses the attack technique T1006 for this issue.

Upgrading to version 3.12.3 or 4.0.3 eliminates this vulnerability.

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Productinfo

Vendor

• oscal-compass

Name

• compliance-trestle

Version

• 3.12.0
• 3.12.1
• 4.0.0
• 4.0.1
• 4.0.2

Website

• Product: https://github.com/oscal-compass/compliance-trestle/

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