CVE-2026-30117

CRITICAL

scalar/astro 0.1.13 - Arbitrary File Upload and Remote Code Execution via Scalar Proxy scalar_url Parameter

Title source: llm

Description

scalar/astro v0.1.13 was discovered to contain an arbitrary file upload vulnerability in the the scalar_url query parameter of the Scalar Proxy endpoint. This vulnerability allows attackers to execute arbitrary code via uploading a crafted SVG file.

References (1)

Core 1

Core References

https://github.com/prassan10/XSS-Open-Redirect-via-scalar_url

View Writeup ZIP pw:eip

Scores

CVSS v3 9.8

EPSS 0.0053

EPSS Percentile 40.1%

Attack Vector NETWORK

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

CISA SSVC

Vulnrichment

Exploitation none

Automatable yes

Technical Impact total

Details

CWE

CWE-94

Status published

Published May 19, 2026

Tracked Since May 19, 2026