CVE-2026-1616 osim: Path Traversal via query parameters in Nginx configuration

High 7.5 Published Updated

Attackers can perform path traversal via query parameters in the Nginx configuration of Open Security Issue Management, potentially reading unauthorized files.

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

What is CVE-2026-1616?

CVE-2026-1616 is a high-severity path traversal vulnerability in Red Hat osim, published on 29 Jan 2026. An attacker can exploit it over the internet without logging in, with no action from the victim.

Official description

The $uri$args concatenation in nginx configuration file present in Open Security Issue Management (OSIM) prior v2025.9.0 allows path traversal attacks via query parameters.

Weakness: CWE-22

Which versions are affected by CVE-2026-1616?

It affects 1 product.

Products include Redhat Open Security Issue Management.

How do I fix CVE-2026-1616?

No fix has been published for CVE-2026-1616 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-2026-1616 being exploited?

There is no known exploitation of CVE-2026-1616 in the wild and no public exploit code.

Sources

Also known as GHSA-4mf9-4xp5-f638.

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