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TI-2026-74425 Aliases CVE-2026-110766

Path traversal in Colanode Server lets users read other workspaces' avatars

Priority MEDIUM 57CWE-22Published · Updated

Key facts

Attack vector
Network
Privileges required
Low
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

Colanode server through 0.4.7 contains a path traversal flaw in its avatar download route, CWE-22. An authenticated user with low privileges can read arbitrary .jpeg files, including files that belong to other workspaces, by sending percent-encoded ../ sequences in the avatarId of the avatar download request. A public exploit is linked in the references.

Written with Claude Haiku 5.5 from the sources below · 2026-10-28

Description from the CNA

Colanode server through 0.4.7 contains a path traversal vulnerability that allows authenticated users to read arbitrary .jpeg files by supplying an encoded traversal sequence in avatarId. Attackers can send percent-encoded ../ sequences to GET /client/v1/avatars/:avatarId to escape the avatars directory and read .jpeg files belonging to other workspaces.

Why it matters now

Exploitation Proof of concept CISA SSVC · not in CISA KEV
EPSS 0.00286 21st percentileScored 2026-11-07
Public exploit Yes 1 exploit referenceTagged by the CNA
Fix No fix listed No fixed version in the sources yet

SSVC decision points

CISA ADP · SSVC 2.0.3

Exploitation
Poc
Automatable
No
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
colanodecolanodeup to 0.4.7—No fix listedCNA
  • colanode Vendorcolanode Affected up to 0.4.7 Fixed in — No fix listed CNA

Remediation

No fixed version is listed for Colanode Server.

Written with Claude Haiku 5.5 from the sources below · 2026-10-28

Timeline

  1. 2026-10-15 Threatist record created from CVE-2026-110766

References

Sources

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