CVE-2026-8671 Log Files contain encrypted secrets

High 7.5 Published 22 May 2026 Updated 22 May 2026

Attackers can read encrypted secrets from log files in Avantra, potentially exposing sensitive data.

Exploited in the wild: Not known
Login needed: An administrator
Attackable: Local or same network only
Victim action needed: Not needed
Fix: None listed

What is CVE-2026-8671?

CVE-2026-8671 is a high-severity vulnerability in syslink software AG Avantra, published on 22 May 2026. It can only be exploited from the same machine or local network, with no action from the victim.

Official description

Insertion of sensitive information into log file vulnerability in syslink software AG Avantra on Linux, Windows allows Resource Leak Exposure.

This issue affects Avantra: before 25.3.0.

Weakness: CWE-532

Which versions are affected by CVE-2026-8671?

It affects 1 product.

Products include Avantra Avantra.

How do I fix CVE-2026-8671?

No fix has been published for CVE-2026-8671 yet. Limit exposure of the affected software until one is available.

Is CVE-2026-8671 being exploited?

There is no known exploitation of CVE-2026-8671 in the wild and no public exploit code.

Sources

Also known as GHSA-5qp4-pv6p-8gcx.