CVE-2026-111618
CoAI through 4.0.0 Unauthenticated Path Traversal via Archive Download Endpoints
coaidev CoAI
CVSS
6.9MediumExploitationPublic exploit codeCISA's assessment says proof of concept code is public, assessed 23 Oct 2026. Not in the KEV catalogCISA via CVE List
Exploit odds (EPSS)0.35%Chance of exploitation activity in the next 30 days, higher than 27% of CVEs. Scored 23 Oct 2026FIRST EPSS
Fixed inNone listedNo source names a fixed version. Check the vendor advisory below
What fixes it
No source in this snapshot names a fixed version. The vendor advisories under References are the place to check.
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.
Text from CVE List
Affected versions 1
- CoAIaffected: all versions through 4.0.0CVE List
References 4
- vulncheck.com/advisories/coai-through-4.0.0-unauthenticated-path-traversal-via-archive-download-endpointsAdvisoryvia CVE List
- hackmd.io/@hieuPenguinnn/coai-chatnio-generation-article-download-path-traversalExploitvia CVE List
- github.com/coaidev/coai/blob/v4.0.0/addition/generation/api.go#L19-L29Referencevia CVE List
- github.com/coaidev/coai/blob/v4.0.0/addition/article/api.go#L25-L35Referencevia CVE List