CVE-2021-3769: Planetargon Oh My Zsh

Critical severity, CVSS 9.8. EPSS: 1% chance of exploitation in the next 30 days.

# Vulnerability in `pygmalion`, `pygmalion-virtualenv` and `refined` themes **Description**: these themes use `print -P` on user-supplied strings to print them to the terminal. All of them do that on git information, particularly the branch name, so if the branch has a specially-crafted name the vulnerability can be exploited. **Fixed in**: [b3ba9978](https://github.com/ohmyzsh/ohmyzsh/commit/b3ba9978). **Impacted areas**: - `pygmalion` theme. - `pygmalion-virtualenv` theme. - `refined` theme.

Affected products

• Planetargon Oh My Zsh: before 2021-11-11 (fixed in 2021-11-11)

Published 2021-11-30. Last modified 2026-06-17.