CVE-2026-30118

CriticalCVSS 9.8

Published: 19/05/2026(UTC)Updated: 24/07/2026(UTC)Translated: 25/07/2026(UTC)NVD NIST

Exploitation Probability (EPSS)

Low risk

0.47%

38th percentile - higher than 38% of all known CVEs

Summary

scalar/astro v0.1.13 contains an SSRF vulnerability in the scalar_url parameter of the Scalar Proxy endpoint. Unauthenticated attackers can force the backend server to send HTTP requests to attacker-controlled URLs.

Risk Assessment

An attacker can capture authentication cookies and headers, leading to privilege escalation and data disclosure.

Recommendation

Upgrade scalar/astro to a version that fixes this vulnerability, or restrict access to the Scalar Proxy endpoint.

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.