SSRF in The-Vibe-Company Megaparse
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)
Published · last modified .
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.
EPSS exploit prediction
EPSS: 0.006 (47.3th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 47th percentile — 47.3% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.003 · newest: 0.006 · change: +0.003
Affected products
Weakness classification (CWE)
References
- github.com/The-Vibe-Company/megaparse (product)
- github.com/The-Vibe-Company/megaparse/blob/megaparse-v0.0.55/libs/megaparse/src… (technical-description)
- github.com/The-Vibe-Company/megaparse/issues/259 (issue-tracking)
- www.vulncheck.com/advisories/megaparse-0.0.55-server-side-request-forgery-via-p… (third-party-advisory)
Frequently asked questions
- What is CVE-2026-85691?
- CVE-2026-85691 is a high-severity vulnerability in The-Vibe-Company Megaparse, 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.