LogicalDOC Community Edition through 9.3 contains a username enumeration vulnerability that allows unauthenticated attackers to identify valid accounts because the AvatarServlet (/avatar) performs no session validation. Attackers can supply usernames or numeric IDs in the userId parameter and compare 1x1 transparent images against real avatars to enumerate users and retrieve profile pictures.
Advisories

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Fixes

Solution

No solution given by the vendor.


Workaround

No workaround given by the vendor.

History

Tue, 13 Oct 2026 16:30:00 +0000

Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'partial'}, 'version': '2.0.3'}


Mon, 12 Oct 2026 14:00:00 +0000

Type Values Removed Values Added
Description LogicalDOC Community Edition through 9.3 contains a username enumeration vulnerability that allows unauthenticated attackers to identify valid accounts because the AvatarServlet (/avatar) performs no session validation. Attackers can supply usernames or numeric IDs in the userId parameter and compare 1x1 transparent images against real avatars to enumerate users and retrieve profile pictures.
Title LogicalDOC Community Edition through 9.3 Username Enumeration via AvatarServlet
First Time appeared Logicaldoc
Logicaldoc logicaldoc
Weaknesses CWE-204
CPEs cpe:2.3:a:logicaldoc:logicaldoc:*:*:*:*:community:*:*:*
Vendors & Products Logicaldoc
Logicaldoc logicaldoc
References
Metrics cvssV3_1

{'score': 5.3, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N'}

cvssV4_0

{'score': 6.9, 'vector': 'CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N'}


Projects

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cve-icon MITRE

Status: PUBLISHED

Assigner: VulnCheck

Published:

Updated: 2026-10-13T15:18:15.204Z

Reserved: 2026-10-12T13:25:18.180Z

Link: CVE-2026-109206

cve-icon Vulnrichment

Updated: 2026-10-13T15:18:09.428Z

cve-icon NVD

Status : Deferred

Published: 2026-10-12T14:17:11.427

Modified: 2026-10-13T20:41:35.943

Link: CVE-2026-109206

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

Updated: 2026-10-12T18:15:14Z

Weaknesses