CVE-2026-36851 Path traversal in n/a

High 7.5 Published Updated

An attacker can exploit a path traversal flaw in the password field to read arbitrary files and exfiltrate data.

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-2026-36851?

CVE-2026-36851 is a high-severity path traversal vulnerability in n/a, published on 26 Aug 2026. An attacker can exploit it over the internet without logging in, with no action from the victim.

Official description

Path traversal vulnerability in UnPoller 2.33.0 password field allows arbitrary file read and network exfiltration.

Weakness: CWE-22

Which versions are affected by CVE-2026-36851?

How do I fix CVE-2026-36851?

No fix has been published for CVE-2026-36851 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-2026-36851 being exploited?

It is not confirmed as exploited in the wild, but public exploit code for CVE-2026-36851 exists.

Public exploit code: 1 proofs of concept on GitHub.

Sources

Also known as GHSA-49v2-hj2q-248f.

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