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CVE-2026-85691

MegaParse 0.0.55 Server-Side Request Forgery via POST /v1/url

CVSS 4.0 8.7 HIGHCVSS 3.1 7.5 HIGHCheck source for fixed versionsKEV status unknown

Original advisory

cve-program · CVE-2026-85691

Published

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.

Read the publisher's advisory

Affected versions, risk and source history

cve-program · CVE-2026-85691

Published

megaparse

Vendor product

Publisher's version information

Shown as published. These rules are not interpreted as NuGet package version ranges.

{
                    "vendor": "The-Vibe-Company",
                    "product": "megaparse",
                    "defaultStatus": "unaffected",
                    "packageURL": "pkg:pypi/megaparse",
                    "versions": [
                        {
                            "version": "0",
                            "lessThanOrEqual": "0.0.55",
                            "status": "affected",
                            "versionType": "semver"
                        }
                    ]
                }

Original source record · Cite this exact observation · Complete original publisher JSON