CVE-2026-109206 (GCVE-0-2026-109206)
Vulnerability from cvelistv5 – Published: 2026-10-12 13:39 – Updated: 2026-10-13 15:18
VLAI
EPSS
VEX
Title
LogicalDOC Community Edition through 9.3 Username Enumeration via AvatarServlet
Summary
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.
Severity
5.3 (Medium)
SSVC
Exploitation: none
Automatable: no
Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-10-13 15:17 UTC
CWE
- CWE-204 - Observable Response Discrepancy
Assigner
References
5 references
| URL | Tags |
|---|---|
| https://github.com/logicaldoc/community/discussions/119 | technical-description |
| https://github.com/logicaldoc/community/commit/4e… | patch |
| https://github.com/logicaldoc/community/blob/9.3/… | technical-description |
| https://github.com/logicaldoc/community | product |
| https://www.vulncheck.com/advisories/logicaldoc-c… | third-party-advisory |
Impacted products
1 product
| Vendor | Product | Version | CPE status | |
|---|---|---|---|---|
| LogicalDOC | LogicalDOC Community Edition |
Affected:
0 , ≤ 9.3
(custom)
cpe:2.3:a:logicaldoc:logicaldoc:*:*:*:*:community:*:*:* |
Date Public
2026-10-11 00:00
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Nomenclature
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