What’s Vulnerable › Vulnerabilities

CVE-2026-85691: MegaParse 0.0.55 Server-Side Request Forgery via POST /v1/url

• Severity: high (CVSS 7.5 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.6% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2026-09-04 · updated 2026-09-23
• Weakness: CWE-918

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

• The-Vibe-Company megaparse: through 0.0.55

References

• https://github.com/The-Vibe-Company/megaparse
• https://github.com/The-Vibe-Company/megaparse/blob/megaparse-v0.0.55/libs/megaparse/src/megaparse/api/app.py
• https://github.com/The-Vibe-Company/megaparse/issues/259
• https://www.vulncheck.com/advisories/megaparse-0.0.55-server-side-request-forgery-via-post-v1-url

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