CVE-2026-30118CRITICAL 9.8EPSS p37.0%

CVE-2026-30118CVE-2026-30118

Description

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.

Scoring

CVSS 3.19.8 (CRITICAL)
VectorCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
EPSS0.47% probability of exploitation · percentile 37.0% · 2026-06-19T12:03:05Z
Published2026-05-19
Last modified2026-05-20

Underlying weaknesses· 1

CWE-918

References

  1. https://github.com/prassan10/ssrf-zero-click-ato-scalar
  2. https://github.com/prassan10/ssrf-zero-click-ato-scalar

1

TypeTargetConfidenceTier
WeaknessServer-Side Request Forgery (SSRF)cwe-9180%live

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