RCE in N/a

CVE-2026-30117

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.

Vulnerability class: RCE (Remote Code Execution)

Published · last modified .

CVSS v3 metric

CVSS v3 base score 9.8 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.

EPSS exploit prediction

EPSS: 0.007 (51.3th percentile), scored .

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 51st percentile — 51.3% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS trend (30 days)EPSS over the last 30 days for CVE-2026-30117: held from 0.005 to 0.007.

EPSS over last 30 days · oldest: 0.005 · newest: 0.007 · change: +0.002

Weakness classification (CWE)

References

Frequently asked questions

What is CVE-2026-30117?
CVE-2026-30117 is a critical-severity vulnerability in N/a, classified under Code Injection. CVSS score: 9.8/10. Published 2026-05-19.
How severe is CVE-2026-30117?
Critical severity. CVSS v3 base score is 9.8 out of 10.