CVE-2026-30118

CRITICAL EPSS 37.2%

Published May 19, 20261mo ago · Modified Jun 17, 20262w ago

9.8 CVSS 3.1

Critical

Published May 19, 2026 1mo ago

Last Modified Jun 17, 2026 2w ago

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.

CVSS Details

Base Score

9.8

Exploitability

3.9

Impact

5.9

Vector string

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Attack Vector Network

Attack Complexity Low

Privileges Required None

User Interaction None

Scope Unchanged

Confidentiality High

Integrity High

Availability High

Threat Intelligence

EPSS Exploit Probability

37.2% percentile

Exploit & Patch Status

No Known Exploit

No Patch Available

Weaknesses 1

CWE-918 Server-Side Request Forgery (SSRF) Validation

References 1

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

Remediation

No remediation data recorded yet

Check vendor advisories and the NVD entry for patch availability.