Vulnerability DatabaseCVE-2026-85691
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CVE-2026-85691
Published:September 04, 2026
Updated:September 22, 2026
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.
Related Resources (6)
https://github.com/The-Vibe-Company/megaparse/blob/megaparse-v0.0.55/libs/megaparse/src/megaparse/api/app.py
https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/85xxx/CVE-2026-85691.json
https://github.com/The-Vibe-Company/megaparse/issues/259
https://nvd.nist.gov/vuln/detail/CVE-2026-85691
https://www.vulncheck.com/advisories/megaparse-0.0.55-server-side-request-forgery-via-post-v1-url
https://github.com/The-Vibe-Company/megaparse
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CVSS v4
Base Score:
8.7
Attack Vector
NETWORK
Attack Complexity
LOW
Attack Requirements
NONE
Privileges Required
NONE
User Interaction
NONE
Vulnerable System Confidentiality
HIGH
Vulnerable System Integrity
NONE
Vulnerable System Availability
NONE
Subsequent System Confidentiality
NONE
Subsequent System Integrity
NONE
Subsequent System Availability
NONE
CVSS v3
Base Score:
7.5
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
HIGH
Integrity
NONE
Availability
NONE
Weakness Type (CWE)
Server-Side Request Forgery (SSRF)
CWE-918
EPSS
Base Score:
0.34