CVE-2026-100867: Spaceship-Prompt

Low severity, CVSS 3.3. EPSS: 0.1% chance of exploitation in the next 30 days.

spaceship-prompt through 4.22.5 fails to sanitize control characters from project manifest version fields before rendering them in the zsh prompt. Attackers can embed ANSI/OSC escape sequences in version fields of package manifests to manipulate terminal output, rewrite window titles, or spoof displayed text when victims enter the directory.

Affected products

• Spaceship-Prompt Spaceship-Prompt: up to and including 4.22.5

Published 2026-09-27. Last modified 2026-09-30.