mirage cohttp up to 6.2.x path traversal

Summaryinfo

A vulnerability was found in mirage cohttp up to 6.2.x. It has been classified as problematic. This affects an unknown function. The manipulation leads to path traversal. This vulnerability is documented as CVE-2026-82481. The attack can be initiated remotely. There is not any exploit available.

Detailsinfo

A vulnerability was found in mirage cohttp up to 6.2.x and classified as problematic. This issue affects an unknown code block. The manipulation 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:

The cohttp package before 6.3.0 for OCaml allows directory traversal.

It is possible to read the advisory at github.com. The identification of this vulnerability is CVE-2026-82481 since 08/29/2026. The exploitation is known to be easy. The attack may be initiated remotely. No form of authentication is needed for a successful exploitation. The technical details are unknown and an exploit is not publicly available. The attack technique deployed by this issue is T1006 according to MITRE ATT&CK.

Upgrading to version 6.3.0 eliminates this vulnerability.

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Productinfo

Vendor

• mirage

Name

• cohttp

Version

• 6.0
• 6.1
• 6.2

CPE 2.3info

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CPE 2.2info

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Entryinfo

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