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.
Fix
Nothing published yet: no patch, vendor advisory or mitigation reference on NVD, no vendor advisory in the News for this CVE, not in CISA's KEV, no fixed package version. BaselineWatch does not guess at one.
Change history 1
- First seenCVSS 6.9NVD modified 2026-10-16 19:03
Affected (CPE criteria) 0
NVD has not attached CPE configurations yet.
References 5
- https://github.com/coaidev/coai/blob/v4.0.0/addition/article/api.go#L25-L35
- https://github.com/coaidev/coai/blob/v4.0.0/addition/generation/api.go#L19-L29
- https://hackmd.io/@hieuPenguinnn/coai-chatnio-generation-article-download-path-traversal
- https://www.vulncheck.com/advisories/coai-through-4.0.0-unauthenticated-path-traversal-via-archive-download-endpoints
- https://hackmd.io/@hieuPenguinnn/coai-chatnio-generation-article-download-path-traversal