{"affected":[{"defaultStatus":"unaffected","product":"langchain4j-aideepin","source":"CNA: VulnCheck","vendor":"moyangzhan","versions":[{"lessThanOrEqual":"3.32.0","status":"affected","version":"0","versionType":"semver"}]}],"cveId":"CVE-2026-125386","cwes":["CWE-639"],"description":"langchain4j-aideepin through 3.32.0 contains an insecure direct object reference vulnerability in CharacterMessageController that allows authenticated users to access other users' message references due to missing owner checks. Attackers can supply another user's message uuid to the knowledge-embedding-ref, memory-embedding-ref, or graph-ref endpoints to retrieve knowledge-base chunks, long-term memory text, and knowledge-graph data.","epss":null,"exploits":[],"kev":null,"metrics":[{"score":6,"severity":"medium","source":"CNA: VulnCheck","vector":"CVSS:4.0/AV:N/AC:H/AT:P/PR:L/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N","version":"4.0"},{"score":5.3,"severity":"medium","source":"CNA: VulnCheck","vector":"CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:N/A:N","version":"3.1"}],"modifiedAt":1794266873127,"publishedAt":1794266873127,"references":[{"source":"CNA: VulnCheck","tags":["issue-tracking"],"url":"https://github.com/moyangzhan/langchain4j-aideepin/issues/118"},{"source":"CNA: VulnCheck","tags":["product"],"url":"https://github.com/moyangzhan/langchain4j-aideepin"},{"source":"CNA: VulnCheck","tags":["technical-description"],"url":"https://github.com/moyangzhan/langchain4j-aideepin/blob/v3.32.0/server/adi-common/src/main/resources/mapper/CharacterMessageRefMemoryEmbeddingMapper.xml#L4-L10"},{"source":"CNA: VulnCheck","tags":["patch"],"url":"https://github.com/moyangzhan/langchain4j-aideepin/commit/483499b1a6b4a27d856f85d88c28ae6152660953"},{"source":"CNA: VulnCheck","tags":["third-party-advisory"],"url":"https://www.vulncheck.com/advisories/langchain4j-aideepin-through-3.32.0-idor-via-character-message-reference-endpoints"}],"remediation":[{"kind":"fix","source":"CNA: VulnCheck","text":"The reporting source identifies this reference as a patch. Check the advisory for affected versions and supported release branches.","url":"https://github.com/moyangzhan/langchain4j-aideepin/commit/483499b1a6b4a27d856f85d88c28ae6152660953"}],"revision":"1d950eedc6e901bf017c84a1ad53b4b3e9e4c7c8580843330d90e03b532dcb76","sources":[{"modifiedAt":1794266873127,"name":"CNA: VulnCheck","retrievedAt":1794269351384,"url":"https://www.cve.org/CVERecord?id=CVE-2026-125386"}],"ssvc":null,"status":"published","title":"langchain4j-aideepin through 3.32.0 IDOR via /character/message reference endpoints","updatedAt":1794269351384}