CVE-2026-30118

Critical

Published: 19/05/2026(UTC)Translated: 14/06/2026(UTC)NVD NIST

Summary

Version 0.1.13 of the scalar/astro library was found to contain a Server-Side Request Forgery (SSRF) vulnerability in the scalar_url query parameter of the Scalar Proxy endpoint. This allows unauthenticated attackers to force the backend server to send HTTP requests to attacker-controlled URLs.

Risk Assessment

This vulnerability may lead to the exposure of authentication cookies and headers, creating a risk of privilege escalation within the system.

Recommendation

It is recommended to update to the latest version of the scalar/astro library and implement security measures against SSRF.

Original NVD description (English source)

scalar/astro v0.1.13 was discovered to contain a Server-Side Request Forgery (SSRF) in the scalar_url query parameter of the Scalar Proxy endpoint. This vulnerability allows unauthenticated attackers to force the backend server to send HTTP requests to attacker-controlled URLs, leading to authentication cookies and headers exposure and possible privilege escalation.