{"id":"CVE-2026-82283","url":"https://www.cyber-defence.io/tools/cve/CVE-2026-82283","generatedAt":"2026-10-28T03:29:29.854Z","title":"VoltAgent through 2.1.20 fails to validate conversation ownership in memory API handlers, allowing authenticated users to access other users' conversations.","description":"VoltAgent through 2.1.20 fails to validate conversation ownership in memory API handlers, allowing authenticated users to access other users' conversations. Attackers can read, modify, and delete arbitrary conversations and messages by supplying caller-controlled identifiers to memory endpoints.","published":"2026-08-28T20:20:20.000Z","lastModified":"2026-09-23T17:17:46.000Z","status":"Deferred","sourceIdentifier":"disclosure@vulncheck.com","cvss":{"version":"4.0","score":8.6,"severity":"HIGH","vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:N/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/M"},"cwe":["CWE-639"],"affected":[],"epss":{"score":0.00426,"percentile":0.3665,"date":"2026-10-26","history":[]},"kev":{"listed":false},"exploits":{"count":0,"verified":false,"firstPublished":null,"source":"Exploit-DB (https://gitlab.com/exploit-database/exploitdb)","entries":[]},"verdict":{"level":"high","text":"High impact if exploited, but EPSS currently rates exploitation as unlikely (0.43%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit."},"changes":[],"references":[{"url":"https://github.com/VoltAgent/voltagent","source":"disclosure@vulncheck.com"},{"url":"https://github.com/VoltAgent/voltagent/blob/44b4c8e4998ce56095b2f0e4eaf1a988f5e6d0de/packages/server-core/src/handlers/memory.handlers.ts","source":"disclosure@vulncheck.com"},{"url":"https://github.com/VoltAgent/voltagent/issues/1371","source":"disclosure@vulncheck.com"},{"url":"https://www.vulncheck.com/advisories/voltagent-memory-api-handlers-missing-ownership-checks","source":"disclosure@vulncheck.com"},{"url":"https://github.com/VoltAgent/voltagent/issues/1371","source":"134c704f-9b21-4f2e-91b3-4a467353bcc0"}],"sources":{"nvd":"https://nvd.nist.gov/vuln/detail/CVE-2026-82283","epss":"https://www.first.org/epss/","kev":"https://www.cisa.gov/known-exploited-vulnerabilities-catalog","exploitdb":"https://www.exploit-db.com/"},"licence":"CC BY 4.0 — link back to the CVE Explorer if you publish the results; upstream data remains subject to its own terms."}