CVE-2026-22661 HIGH

CVE-2026-22661: prompts.chat Path Traversal via Skill File Handling

Vendor F
Product prompts.chat
Weakness CWE-22 · Path traversal
Published April 3, 2026
Last update May 26, 2026

CVSS base score

8.6/10
Attack vector Network
Attack complexity Low
Privileges required None
User interaction
Confidentiality
Integrity

CVSS vector

CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:P/VC:H/VI:H/VA:N/SC:N/SI:N/SA:N

What the vulnerability does

01Description

prompts.chat prior to commit 0f8d4c3 contains a path traversal vulnerability in skill file handling that allows attackers to write arbitrary files to the client system by crafting malicious ZIP archives with unsanitized filenames containing path traversal sequences. Attackers can exploit missing server-side filename validation to inject path traversal sequences ../ into skill file archives, which when extracted by vulnerable tools writing files outside the intended directory and overwriting shell initialization files to achieve code execution.

Key dates

02Disclosure timeline

April 3, 2026 CVE published
May 26, 2026 Record updated