CVE-2025-66955 Path traversal in n/a

Medium 6.5 Published Updated

Remote authenticated users can access arbitrary files on the host via path traversal in Asseco SEE Live attachment download APIs.

Exploited in the wild
Not known
Login needed
Any signed-in user
Attackable
Over the internet
Victim action needed
Not needed
Fix
None listed

What is CVE-2025-66955?

CVE-2025-66955 is a medium-severity path traversal vulnerability in n/a, published on 12 Mar 2026. Any signed-in user can exploit it over the network, with no action from the victim.

Official description

Local File Inclusion in Contact Plan, E-Mail, SMS and Fax components in Asseco SEE Live 2.0 allows remote authenticated users to access files on the host via "path" parameter in the downloadAttachment and downloadAttachmentFromPath API calls.

Weakness: CWE-552

Which versions are affected by CVE-2025-66955?

It affects 1 product.

Products include Asseco Live.

How do I fix CVE-2025-66955?

No fix has been published for CVE-2025-66955 yet. Limit exposure of the affected software until one is available.

Upgrade, and resolve every user-supplied path against an allowed base folder before opening it. More about Path traversal.

Is CVE-2025-66955 being exploited?

There is no known exploitation of CVE-2025-66955 in the wild and no public exploit code.

Public exploit code: 1 proofs of concept on GitHub.

Sources

Also known as GHSA-39xw-9qh5-7xj4.

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