---
id: CVE-2026-85691
title: >-
  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
summary: >-
  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 a…
severity: high
cvss: 7.5
cvssVector: 'CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N'
cwe:
  - CWE-918
vendor: The-Vibe-Company
product: megaparse
affected:
  - megaparse <= 0.0.55
published: '2026-09-04'
updated: '2026-09-23'
sourceUpdated: '2026-09-23T17:17:46.723'
source: NVD
sourceUrl: 'https://nvd.nist.gov/vuln/detail/CVE-2026-85691'
references:
  - url: 'https://github.com/The-Vibe-Company/megaparse'
    label: disclosure@vulncheck.com
  - url: >-
      https://github.com/The-Vibe-Company/megaparse/blob/megaparse-v0.0.55/libs/megaparse/src/megaparse/api/app.py
    label: disclosure@vulncheck.com
  - url: 'https://github.com/The-Vibe-Company/megaparse/issues/259'
    label: disclosure@vulncheck.com
  - url: >-
      https://www.vulncheck.com/advisories/megaparse-0.0.55-server-side-request-forgery-via-post-v1-url
    label: disclosure@vulncheck.com
tags:
  - nvd
  - cve.org
epss: 0.00593
epssPercentile: 0.46013
ssvc:
  exploitation: none
  automatable: 'yes'
  technicalImpact: partial
  timestamp: '2026-09-10T14:22:55.591214Z'
ingestedAt: '2026-09-10T15:53:17.107Z'
---

## Overview

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.

## Remediation

Refer to the linked advisories for vendor-supplied fixes and affected version ranges.