RCE in Shahkashani Stills
CVE-2026-110649
Stills before 25.24.2 contains an OS command injection vulnerability that allows attackers to execute shell commands by supplying crafted media file paths. Attackers can name a media file with $(...) or backticks to execute operating system commands with Node.js process privileges when ffmpeg, ffprobe, gifsicle, or convert runs.
Vulnerability class: Command Injection (OS Command Injection)
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
No EPSS score from FIRST.org yet. New CVEs usually get one within a few days; no score means no signal yet, not low risk. How EPSS works.
Affected products
Weakness classification (CWE)
References
- github.com/shahkashani/stills/pull/29 (issue-tracking, patch)
- github.com/shahkashani/stills/pull/30 (issue-tracking, patch)
- github.com/shahkashani/stills/commit/5694b3b0dcd2da342f4f0497244129d4c9eb73bc (patch)
- github.com/shahkashani/stills/commit/51ba953983ba99915331607bf8530e6089952253 (patch)
- github.com/shahkashani/stills/blob/66d5def1265b817d84524473a2813e4781dcbd80/lib… (technical-description)
- github.com/shahkashani/stills/blob/66d5def1265b817d84524473a2813e4781dcbd80/lib… (technical-description)
- www.vulncheck.com/advisories/stills-before-25.24.2-os-command-injection-via-med… (third-party-advisory)
Frequently asked questions
- What is CVE-2026-110649?
- CVE-2026-110649 is a critical-severity vulnerability in Shahkashani Stills, classified under OS Command Injection. CVSS score: 9.8/10. Published 2026-10-14.
- How severe is CVE-2026-110649?
- Critical severity. CVSS v3 base score is 9.8 out of 10.