What is CVE-2026-85691?

CVE-2026-85691 is a high-severity vulnerability, classified under Server-Side Request Forgery (SSRF). CVSS score: 7.5/10. Published 2026-09-04.

How severe is CVE-2026-85691?

High severity. CVSS v3 base score is 7.5 out of 10.

CVE-2026-85691

CVE-2026-85691

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.

Vulnerability class: SSRF (Server-Side Request Forgery)

CVSS v3 metric

CVSS v3 base score 7.5 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N.

Weakness classification (CWE)

CWE-918 — Server-Side Request Forgery (SSRF)

References

disclosure@vulncheck.com
disclosure@vulncheck.com
disclosure@vulncheck.com
disclosure@vulncheck.com

Frequently asked questions

What is CVE-2026-85691?: CVE-2026-85691 is a high-severity vulnerability, classified under Server-Side Request Forgery (SSRF). CVSS score: 7.5/10. Published 2026-09-04.
How severe is CVE-2026-85691?: High severity. CVSS v3 base score is 7.5 out of 10.