CVE-2026-30117
Scalar Astro Arbitrary File Upload Vulnerability
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.
INFO
Published Date :
May 19, 2026, 4:16 p.m.
Last Modified :
May 19, 2026, 4:16 p.m.
Remotely Exploit :
No
Source :
[email protected]
Affected Products
The following products are affected by CVE-2026-30117
vulnerability.
Even if cvefeed.io is aware of the exact versions of the
products
that
are
affected, the information is not represented in the table below.
No affected product recoded yet
Solution
- Update Scalar Proxy to the latest version.
- Ensure file uploads are strictly validated.
- Restrict uploaded file types to safe formats.
- Disable the Scalar Proxy endpoint if unused.
References to Advisories, Solutions, and Tools
Here, you will find a curated list of external links that provide in-depth
information, practical solutions, and valuable tools related to
CVE-2026-30117.
| URL | Resource |
|---|---|
| https://github.com/prassan10/XSS-Open-Redirect-via-scalar_url |
CWE - Common Weakness Enumeration
While CVE identifies
specific instances of vulnerabilities, CWE categorizes the common flaws or
weaknesses that can lead to vulnerabilities. CVE-2026-30117 is
associated with the following CWEs:
Common Attack Pattern Enumeration and Classification (CAPEC)
Common Attack Pattern Enumeration and Classification
(CAPEC)
stores attack patterns, which are descriptions of the common attributes and
approaches employed by adversaries to exploit the CVE-2026-30117
weaknesses.
We scan GitHub repositories to detect new proof-of-concept exploits. Following list is a collection of public exploits and proof-of-concepts, which have been published on GitHub (sorted by the most recently updated).
Results are limited to the first 15 repositories due to potential performance issues.
The following list is the news that have been mention
CVE-2026-30117 vulnerability anywhere in the article.
The following table lists the changes that have been made to the
CVE-2026-30117 vulnerability over time.
Vulnerability history details can be useful for understanding the evolution of a vulnerability, and for identifying the most recent changes that may impact the vulnerability's severity, exploitability, or other characteristics.
-
New CVE Received by [email protected]
May. 19, 2026
Action Type Old Value New Value Added 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. Added Reference https://github.com/prassan10/XSS-Open-Redirect-via-scalar_url