CVE-2026-110650 Thumbnail through 1.5 OS Command Injection via generate_thumbnail File Paths
Attackers can execute arbitrary OS commands via shell metacharacters in file paths passed to the generate_thumbnail function.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2026-110650?
CVE-2026-110650 is a critical command injection vulnerability in anshulkharb thumbnail, published on 14 Oct 2026. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
The thumbnail Python package through 1.5 contains an OS command injection vulnerability in generate_thumbnail() that allows attackers to execute commands by supplying shell metacharacters in file paths. Attackers who control a file name passed to generate_thumbnail, such as an uploaded file, can inject commands into os.system() calls running ffmpeg, convert or unoconv with the Python process privileges.
Weakness: CWE-78
Which versions are affected by CVE-2026-110650?
How do I fix CVE-2026-110650?
No fix has been published for CVE-2026-110650 yet. Limit exposure of the affected software until one is available.
Upgrade, and pass arguments to programs as a list instead of through a shell. More about Command injection.
Is CVE-2026-110650 being exploited?
It is not confirmed as exploited in the wild, but public exploit code for CVE-2026-110650 exists.
Sources
Also known as GHSA-542h-xc5c-6hxm.