CVE-2026-85691 MegaParse 0.0.55 Server-Side Request Forgery via POST /v1/url

High 8.7 Published Updated

Unauthenticated attackers can exploit the POST /v1/url endpoint to perform Server-Side Request Forgery and read internal service responses.

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-2026-85691?

CVE-2026-85691 is a high-severity server-side request forgery vulnerability in The-Vibe-Company megaparse, published on 4 Sep 2026. An attacker can exploit it over the internet without logging in, with no action from the victim.

Official description

MegaParse 0.0.55 contains an unauthenticated server-side request forgery vulnerability in the POST /v1/url endpoint that fetches caller-supplied URLs server-side. Attackers can supply internal service URLs or metadata endpoints without authentication to read their responses directly from the JSON response.

Weakness: CWE-918

Which versions are affected by CVE-2026-85691?

How do I fix CVE-2026-85691?

No fix has been published for CVE-2026-85691 yet. Limit exposure of the affected software until one is available.

Upgrade, and send outbound requests through an allow-list that blocks internal addresses. More about Server-side request forgery.

Is CVE-2026-85691 being exploited?

There is no known exploitation of CVE-2026-85691 in the wild and no public exploit code.

Sources

Also known as GHSA-242x-h644-mf6j.

Is CVE-2026-85691 in your software?

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

Check your SBOMs for free