{"schema":"threatline.record/2","record":{"id":"CVE-2026-109206","aliases":[],"summary":"LogicalDOC Community Edition through 9.3 Username Enumeration via AvatarServlet","details":"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.","categories":["Unclassified"],"product":"LogicalDOC Community Edition","vendor":"LogicalDOC","ecosystem":null,"affected_ranges":[{"source":"CVE List","source_url":"https://www.cve.org/CVERecord?id=CVE-2026-109206","source_modified_at":"2026-10-13T15:18:15.204Z","fetched_at":"2026-10-23T18:48:36.087640Z","product":"LogicalDOC Community Edition","vendor":"LogicalDOC","versions":[{"version":"0","lessThanOrEqual":"9.3","status":"affected","versionType":"custom"}],"defaultStatus":"unaffected"}],"fixed_versions":[],"cvss":6.9,"severity":"Medium","kev":{"listed":false},"epss":{"probability":0.00248,"percentile":0.15183,"score_date":"2026-10-23"},"published_at":"2026-10-12T13:39:47.896Z","modified_at":"2026-10-13T15:18:15.204Z","provenance":[{"source":"CVE List","url":"https://www.cve.org/CVERecord?id=CVE-2026-109206","fetched_at":"2026-10-23T18:48:36.087640Z","source_modified_at":"2026-10-13T15:18:15.204Z"},{"source":"EPSS","url":"https://api.first.org/data/v1/epss?cve=CVE-2026-109206","fetched_at":"2026-10-23T18:42:43.628194Z","source_modified_at":"2026-10-23"}],"sources":["CVE List","EPSS"],"references":[{"source":"CVE List","url":"https://github.com/logicaldoc/community/discussions/119","tags":["technical-description"]},{"source":"CVE List","url":"https://github.com/logicaldoc/community/commit/4e93a69526ae7fe50f670b85b3fc57181f3de3f7","tags":["patch"]},{"source":"CVE List","url":"https://github.com/logicaldoc/community/blob/9.3/logicaldoc-webapp/src/main/java/com/logicaldoc/web/AvatarServlet.java#L63","tags":["technical-description"]},{"source":"CVE List","url":"https://github.com/logicaldoc/community","tags":["product"]},{"source":"CVE List","url":"https://www.vulncheck.com/advisories/logicaldoc-community-edition-through-9.3-username-enumeration-via-avatarservlet","tags":["third-party-advisory"]}],"locations":[],"motoko_assessment":{"status":"requires_architecture_review","automatic_remediation":false},"cve_state":"PUBLISHED","cvss_source":"CVE List","ssvc":{"exploitation":"none","automatable":"no","technical_impact":"partial","assessed_at":"2026-10-13T15:17:12.898071Z"},"classification":{"method":"product-first software-layer rules","rules_version":"2.1","matched_on":null,"confidence":"unknown","reviewed":false},"change_timestamp":"2026-10-13T15:18:15.204Z","content_hash":"e0637bbce5b4bbb8340c163bf4a7642d51fc73c21c30a94d6ae2cea0070444a5"}}