{"schema":"threatline.record/2","record":{"id":"CVE-2026-111707","aliases":[],"summary":"99AI through 4.3.0 IDOR via /api/chatLog/querySingleChat Chat Message Disclosure","details":"99AI through 4.3.0 contains an insecure direct object reference vulnerability that allows unauthenticated attackers to read other users' chat messages because querySingleChat lacks an owner check. Attackers can send a fingerprint header to obtain a visitor JWT and iterate sequential chatId values to retrieve other users' message content and task data.","categories":["Unclassified"],"product":"99AI","vendor":"vastxie","ecosystem":null,"affected_ranges":[{"source":"CVE List","source_url":"https://www.cve.org/CVERecord?id=CVE-2026-111707","source_modified_at":"2026-10-16T18:20:01.823Z","fetched_at":"2026-10-23T18:48:36.087640Z","product":"99AI","vendor":"vastxie","versions":[{"version":"0","lessThanOrEqual":"4.3.0","status":"affected","versionType":"custom"}],"defaultStatus":"unaffected"}],"fixed_versions":[],"cvss":6.9,"severity":"Medium","kev":{"listed":false},"epss":{"probability":0.0031,"percentile":0.22637,"score_date":"2026-10-23"},"published_at":"2026-10-16T17:39:58.546Z","modified_at":"2026-10-16T18:20:01.823Z","provenance":[{"source":"CVE List","url":"https://www.cve.org/CVERecord?id=CVE-2026-111707","fetched_at":"2026-10-23T18:48:36.087640Z","source_modified_at":"2026-10-16T18:20:01.823Z"},{"source":"EPSS","url":"https://api.first.org/data/v1/epss?cve=CVE-2026-111707","fetched_at":"2026-10-23T18:42:43.628194Z","source_modified_at":"2026-10-23"}],"sources":["CVE List","EPSS"],"references":[{"source":"CVE List","url":"https://hackmd.io/@hieuPenguinnn/99ai-chatlog-unauth-export-and-idor","tags":["exploit"]},{"source":"CVE List","url":"https://github.com/vastxie/99AI/blob/v4.3.0/service/src/modules/chatLog/chatLog.service.ts#L463-L475","tags":["technical-description"]},{"source":"CVE List","url":"https://github.com/vastxie/99AI/blob/v4.3.0/service/src/common/auth/jwtAuth.guard.ts","tags":["technical-description"]},{"source":"CVE List","url":"https://github.com/vastxie/99AI","tags":["product"]},{"source":"CVE List","url":"https://www.vulncheck.com/advisories/99ai-through-4.3.0-idor-via-api-chatlog-querysinglechat-chat-message-disclosure","tags":["third-party-advisory"]}],"locations":[],"motoko_assessment":{"status":"requires_architecture_review","automatic_remediation":false},"cve_state":"PUBLISHED","cvss_source":"CVE List","ssvc":{"exploitation":"poc","automatable":"yes","technical_impact":"partial","assessed_at":"2026-10-16T18:19:32.858688Z"},"classification":{"method":"product-first software-layer rules","rules_version":"2.1","matched_on":null,"confidence":"unknown","reviewed":false},"change_timestamp":"2026-10-16T18:20:01.823Z","content_hash":"1d158895d6cc9a39938718a4028212c069dfaa441a478fa0540553c6b1088ddd"}}