CVE-2026-100867

Summary

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 Software

Weaknesses

• CWE-150: Improper Neutralization of Escape, Meta, or Control Sequences

References

• https://github.com/spaceship-prompt/spaceship-prompt/issues/1567
• https://github.com/spaceship-prompt/spaceship-prompt/blob/fd0d6653a134fe28f498eae1784fbb46d27f20f3/lib/section.zsh#L100-L102
• https://github.com/spaceship-prompt/spaceship-prompt/blob/fd0d6653a134fe28f498eae1784fbb46d27f20f3/sections/package.zsh#L41
• https://github.com/spaceship-prompt/spaceship-prompt
• https://www.vulncheck.com/advisories/spaceship-prompt-through-4.22.5-terminal-escape-sequence-injection

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