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
Affected Vendors & Products
References
History
Tue, 13 Oct 2026 16:30:00 +0000
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| Metrics |
ssvc
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Mon, 12 Oct 2026 14:00:00 +0000
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| 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 |
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| Weaknesses | CWE-204 | |
| CPEs | cpe:2.3:a:logicaldoc:logicaldoc:*:*:*:*:community:*:*:* | |
| Vendors & Products |
Logicaldoc
Logicaldoc logicaldoc |
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| References |
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| Metrics |
cvssV3_1
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Status: PUBLISHED
Assigner: VulnCheck
Published: 2026-10-12T13:39:47.896Z
Updated: 2026-10-13T15:18:15.204Z
Reserved: 2026-10-12T13:25:18.180Z
Link: CVE-2026-109206
Updated: 2026-10-13T15:18:09.428Z
Status : Deferred
Published: 2026-10-12T14:17:11.427
Modified: 2026-10-13T20:41:35.943
Link: CVE-2026-109206
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