CVE-2026-97363 Monta monta.app Improper Restriction of Excessive Authentication Attempts

High 8.7 Published Updated

Lack of rate limiting on WebSocket authentication allows attackers to perform denial-of-service or brute-force attacks to gain unauthorized access.

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-2026-97363?

CVE-2026-97363 is a high-severity denial of service vulnerability in monta.app, published on 2 Oct 2026. An attacker can exploit it over the internet without logging in, with no action from the victim.

Official description

The WebSocket Application Programming Interface lacks restrictions on the number of authentication requests. This absence of rate limiting may allow an attacker to conduct denial-of-service attacks or brute-force attacks to gain unauthorized access.

Weakness: CWE-307

Which versions are affected by CVE-2026-97363?

How do I fix CVE-2026-97363?

No fix has been published for CVE-2026-97363 yet. Limit exposure of the affected software until one is available.

Upgrade, then put limits on request size, rate and nesting depth so one client cannot exhaust the service. More about Denial of service.

Is CVE-2026-97363 being exploited?

There is no known exploitation of CVE-2026-97363 in the wild and no public exploit code.

Sources

Also known as GHSA-pfh8-7x9x-2rrf.

Is CVE-2026-97363 in your software?

Upload an SBOM and sbomify checks it against every vulnerability here, every day.

Check your SBOMs for free