CVE-2026-110648 @offactory/compress-fonts before 1.1.1 OS Command Injection via Font File Names
Attackers can execute arbitrary shell commands via crafted font file names in the @offactory/compress-fonts library.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Local or same network only
- Victim action needed
- A user has to click or open something
- Fix
- None listed
What is CVE-2026-110648?
CVE-2026-110648 is a high-severity command injection vulnerability in adamarcanov compress-fonts, published on 14 Oct 2026. It can only be exploited from the same machine or local network, and only if a user opens a file or follows a link.
Official description
@offactory/compress-fonts before 1.1.1 contains an OS command injection vulnerability that allows attackers to execute shell commands by supplying font files with crafted names. Font paths are interpolated unquoted into a FontForge command run through child_process.execSync, so shell metacharacters in file names execute commands with the Node.js process privileges.
Weakness: CWE-78
Which versions are affected by CVE-2026-110648?
How do I fix CVE-2026-110648?
No fix has been published for CVE-2026-110648 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-2026-110648 being exploited?
There is no known exploitation of CVE-2026-110648 in the wild and no public exploit code.
Sources
Also known as GHSA-3jqx-74fv-xh4j.