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OpenAdvisories
Medium · 5.3 CVE-2026-111618 EUVD-2026-103040GHSA-r2h8-g3f5-9cw2

CoAI through 4.0.0 Unauthenticated Path Traversal via Archive Download Endpoints

Published Oct 16, 2026 · Updated Oct 23, 2026 · Assigned by VulnCheck

Description

CoAI (Chat Nio) through 4.0.0 contains an unauthenticated path traversal vulnerability in the generation and article archive download endpoints via the hash query parameter. Attackers can supply ../ sequences in hash to download any readable .tar.gz or .zip file, including other users' generated archives.

Affected products

VendorProductAffectedFixed
coaidev CoAI ≤ 4.0.0 —

References