CVE-2026-75483 powerlevel10k Control Character Injection via package.json Version
Attackers can inject terminal control sequences via package.json versions, potentially executing code when users navigate to affected directories.
- 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-2026-75483?
CVE-2026-75483 is a medium-severity code injection vulnerability in romkatv powerlevel10k, published on 17 Aug 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
powerlevel10k fails to neutralize control characters in the package.json version field when rendering the package prompt segment. Attackers can inject raw escape bytes in the version string to emit arbitrary terminal control sequences on each prompt render when the shell enters affected directories.
Weakness: CWE-150
Which versions are affected by CVE-2026-75483?
How do I fix CVE-2026-75483?
No fix has been published for CVE-2026-75483 yet. Limit exposure of the affected software until one is available.
Upgrade, and never evaluate templates, expressions or code built from user input. More about Code injection.
Is CVE-2026-75483 being exploited?
There is no known exploitation of CVE-2026-75483 in the wild and no public exploit code.
Sources
Also known as GHSA-gcjm-c673-v7vj.