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CVE-2026-109206 Details

ANALYZED

This CVE record has been analyzed and enriched by NVDAPI.com as an independent party.

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.

Metrics

CVSS 3.x Severity and Vector Strings:

VolerionCVSS-B:5.3 MEDIUMVector:CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N

CNA: [email protected]CVSS-B:5.3 MEDIUMVector:CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N

References to Advisories, Solutions, and Tools

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URL	Source(s)	Tag(s)
https://github.com/logicaldoc/community	[email protected]	Vendor
https://github.com/logicaldoc/community/blob/9.3/logicaldoc-webapp/src/main/java/com/logicaldoc/web/AvatarServlet.java#L63	[email protected]	Source CodeVendor
https://github.com/logicaldoc/community/commit/4e93a69526ae7fe50f670b85b3fc57181f3de3f7	[email protected]	Source CodeVendor
https://github.com/logicaldoc/community/discussions/119	[email protected]	BundleTechnical DescriptionVendor
https://www.vulncheck.com/advisories/logicaldoc-community-edition-through-9.3-username-enumeration-via-avatarservlet	[email protected]	AdvisoryRemedy

Weakness Enumeration

CWE-ID	CWE Name	Source
CWE-204	Observable Response Discrepancy	[email protected]

Affected Products

Product	Versions
LogicalDOC Community Edition	<= 9.3.1 (semver)
CPE No CPEs found in CPE dictionary for this product. Remediation No remediation found in references.

Change History

2 change records found show changes

Date	Action	Recorded By
Oct 13, 2026	CVE Modified	CISA-ADP
Oct 12, 2026	New CVE Received	[email protected]