CVE-2026-110649

Stills before 25.24.2 OS Command Injection via Media File Names

State: Published
Severity: 9.3 Critical
Published: Oct 14, 2026
Updated: Oct 14, 2026
Reserved: Oct 14, 2026

Description

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.

Scores

CVSS	Score	Vector	Source
4.0	9.3 Critical	CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N	VulnCheck
3.1	9.8 Critical	CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H	VulnCheck

Weaknesses

CWE-78 Improper Neutralization of Special Elements used in an OS Command ('OS Command Injection')

Affected Products

Product	Versions
stillsshahkashani	before 25.24.2Affected

References

https://github.com/shahkashani/stills/pull/29patchissue-tracking
https://github.com/shahkashani/stills/pull/30patchissue-tracking
https://github.com/shahkashani/stills/commit/5694b3b0dcd2da342f4f0497244129d4c9eb73bcpatch
https://github.com/shahkashani/stills/commit/51ba953983ba99915331607bf8530e6089952253patch
https://github.com/shahkashani/stills/blob/66d5def1265b817d84524473a2813e4781dcbd80/lib/stills/frames.js#L106-L108technical-description
https://github.com/shahkashani/stills/blob/66d5def1265b817d84524473a2813e4781dcbd80/lib/content/video.js#L58-L60technical-description
VulnCheck Advisory: Stills before 25.24.2 OS Command Injection via Media File Namesthird-party-advisory

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