CVE-2026-49197 Predator Connect W6x: Improper Authentication

Critical 10.0 Published 29 May 2026 Updated 29 May 2026

Attackers can bypass authentication on Predator Connect W6x web endpoints by sending requests with invalid Base64 encoded Authorization headers.

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-2026-49197?

CVE-2026-49197 is a critical authentication bypass vulnerability in Acer Predator Connect W6x, published on 29 May 2026. An attacker can exploit it over the internet without logging in, with no action from the victim.

Official description

Web endpoints intended for the Acer Connect app improperly validate the HTTP Authorization header, failing to block requests when Base64 decoding fails.

Weakness: CWE-287

Which versions are affected by CVE-2026-49197?

It affects 1 product.

Products include Acer Predator Connect W6x Firmware.

How do I fix CVE-2026-49197?

No fix has been published for CVE-2026-49197 yet. Limit exposure of the affected software until one is available.

Upgrade, and rotate credentials and sessions that may have been exposed. More about Authentication bypass.

Is CVE-2026-49197 being exploited?

There is no known exploitation of CVE-2026-49197 in the wild and no public exploit code.

Sources

Also known as GHSA-6pmc-5frg-fmg6.