Vulnerability · Published Sep 4, 2026 · Assigned by VulnCheck
CVE-2026-85691MegaParse 0.0.55 Server-Side Request Forgery via POST /v1/url
High 7.5
In plain English
A high-severity server-side request forgery in megaparse from The-Vibe-Company. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.6% (higher than 49% of all known vulnerabilities).
Severity (CVSS 3.1)7.5High
Exploit odds (30 days)0.6%top 51.5% of all CVEs
Exploited in the wildNo reportsCISA SSVC: none
Attack toolingNoneno public tooling known
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.
Affected products (as reported)
| Vendor | Product | Versions |
|---|---|---|
| The-Vibe-Company | megaparse | 0 – through 0.0.55 |
Weakness: CWE-918 · Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
References
- GitHub Issue #259 issue-tracking
- https://github.com/The-Vibe-Company/megaparse product
- https://github.com/The-Vibe-Company/megaparse/blob/megaparse-v0.0.55/libs/megaparse/src/megaparse/api/app.py technical-description
- VulnCheck Advisory: MegaParse 0.0.55 Server-Side Request Forgery via POST /v1/url third-party-advisory