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TI-2026-75404 Aliases CVE-2026-111618GHSA-r2h8-g3f5-9cw2

Path traversal in CoAI archive download endpoints

Priority HIGH 70CWE-22Published · Updated

Key facts

Attack vector
Network
Privileges required
None
User interaction
None
Attack complexity
Low
Attack requirements
None
Impact type
Information disclosure
Confidentiality · integrity · availability
Low · None · None
Fix status
No fix listed

Attack profile from CVSS 4.0 · CNA. Fix status from CNA. Impact type from CWE-22 and the CVSS impact.

Summary

CoAI (Chat Nio) through 4.0.0 contains a path traversal flaw (CWE-22) in its generation and article archive download endpoints, where the hash query parameter is not confined to the intended directory. An unauthenticated remote attacker can download any readable .tar.gz or .zip file on the server, including archives generated by other users.

Written with Claude Haiku 5.5 from the sources below · 2026-11-06

Description from the CNA

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.

Why it matters now

Exploitation Proof of concept CISA SSVC · not in CISA KEV
EPSS 0.0043 37th percentileScored 2026-11-07
Fix No fix listed No fixed version in the sources yet

SSVC decision points

CISA ADP · SSVC 2.0.3

Exploitation
Poc
Automatable
Yes
Technical impact
Partial

The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.

Affected products

VendorProductAffected versionsFixed inStatusSource
coaidevCoAIup to 4.0.0—No fix listedCNA
  • CoAI Vendorcoaidev Affected up to 4.0.0 Fixed in — No fix listed CNA

Remediation

The sources list no fixed version for CoAI.

Written with Claude Haiku 5.5 from the sources below · 2026-11-06

Vendor assessments

Red Hat

Red Hat's page for this CVE →

Not affected: 1 product
  • Red Hat

Timeline

  1. 2026-10-16 Threatist record created from CVE-2026-111618
  2. 2026-10-16 Alias added: GHSA-r2h8-g3f5-9cw2
  3. 2026-10-18 Priority changed: MEDIUM → LOW
  4. 2026-10-23 CISA SSVC decision points changed
  5. 2026-10-23 Priority changed: LOW → HIGH
  6. 2026-11-06 Affected versions changed · Red Hat
  7. 2026-11-06 CVSS score added · Red Hat

References

Advisory 1

Other 2

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences