CVE-2026-85691
MegaParse 0.0.55 Server-Side Request Forgery via POST /v1/url
- State
- Published
- Severity
- 8.7 High
- Published
- Sep 4, 2026
- Updated
- Sep 10, 2026
- Reserved
- Sep 4, 2026
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.
Scores
| CVSS | Score | Vector | Source |
|---|---|---|---|
| 4.0 | 8.7 High | CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N | VulnCheck |
| 3.1 | 7.5 High | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N | VulnCheck |
Weaknesses
- CWE-918 Server-Side Request Forgery (SSRF)
Affected Products
| Product | Versions |
|---|---|
megaparseThe-Vibe-Company |
|
References
- GitHub Issue #259issue-tracking
- https://github.com/The-Vibe-Company/megaparseproduct
- https://github.com/The-Vibe-Company/megaparse/blob/megaparse-v0.0.55/libs/megaparse/src/megaparse/api/app.pytechnical-description
- VulnCheck Advisory: MegaParse 0.0.55 Server-Side Request Forgery via POST /v1/urlthird-party-advisory
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