{"id":"CVE-2026-82283","state":"PUBLISHED","title":"VoltAgent Memory API Handlers Missing Ownership Checks","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.","publishedAt":"2026-08-28T16:19:02.446Z","updatedAt":"2026-09-24T14:20:13.236Z","severity":{"score":8.6,"label":"High","version":"4.0","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","source":"VulnCheck"},"assigner":"VulnCheck","products":["VoltAgent voltagent"],"affected":[{"vendor":"VoltAgent","product":"voltagent","packageName":"@voltagent/server-core","defaultStatus":"unaffected","versions":[{"version":"0","status":"affected","lessThanOrEqual":"2.1.20","versionType":"semver"}]}],"references":["https://github.com/VoltAgent/voltagent/issues/1371","https://github.com/VoltAgent/voltagent","https://github.com/VoltAgent/voltagent/blob/44b4c8e4998ce56095b2f0e4eaf1a988f5e6d0de/packages/server-core/src/handlers/memory.handlers.ts","https://www.vulncheck.com/advisories/voltagent-memory-api-handlers-missing-ownership-checks"],"weaknesses":["CWE-639"],"ingestedAt":"2026-10-29T20:13:15.269Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2026/82xxx/CVE-2026-82283.json","commit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2026-82283","state":"PUBLISHED","datePublished":"2026-08-28T16:19:02.446Z","dateUpdated":"2026-09-24T14:20:13.236Z","assignerShortName":"VulnCheck","assignerOrgId":"83251b91-4cc7-4094-a5c7-464a1b83ea10","dateReserved":"2026-08-28T11:12:51.621Z"},"containers":{"cna":{"title":"VoltAgent Memory API Handlers Missing Ownership Checks","descriptions":[{"lang":"en","value":"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."}],"affected":[{"vendor":"VoltAgent","product":"voltagent","packageName":"@voltagent/server-core","defaultStatus":"unaffected","versions":[{"version":"0","status":"affected","lessThanOrEqual":"2.1.20","versionType":"semver"}]}],"references":[{"url":"https://github.com/VoltAgent/voltagent/issues/1371","tags":["issue-tracking"],"name":"GitHub Issue #1371"},{"url":"https://github.com/VoltAgent/voltagent","tags":["product"]},{"url":"https://github.com/VoltAgent/voltagent/blob/44b4c8e4998ce56095b2f0e4eaf1a988f5e6d0de/packages/server-core/src/handlers/memory.handlers.ts","tags":["technical-description"],"name":"Vulnerable code: memory.handlers.ts"},{"url":"https://www.vulncheck.com/advisories/voltagent-memory-api-handlers-missing-ownership-checks","name":"VulnCheck Advisory: VoltAgent Memory API Handlers Missing Ownership Checks","tags":["third-party-advisory"]}],"metrics":[{"format":"CVSS","cvssV4_0":{"version":"4.0","vectorString":"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","attackVector":"NETWORK","attackComplexity":"LOW","attackRequirements":"NONE","privilegesRequired":"LOW","userInteraction":"NONE","vulnConfidentialityImpact":"HIGH","vulnIntegrityImpact":"HIGH","vulnAvailabilityImpact":"NONE","subConfidentialityImpact":"NONE","subIntegrityImpact":"NONE","subAvailabilityImpact":"NONE","baseScore":8.6,"baseSeverity":"HIGH"}},{"format":"CVSS","cvssV3_1":{"version":"3.1","vectorString":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:N","attackVector":"NETWORK","attackComplexity":"LOW","privilegesRequired":"LOW","userInteraction":"NONE","scope":"UNCHANGED","confidentialityImpact":"HIGH","integrityImpact":"HIGH","availabilityImpact":"NONE","baseScore":8.1,"baseSeverity":"HIGH"}}],"problemTypes":[{"descriptions":[{"cweId":"CWE-639","lang":"en","description":"Authorization Bypass Through User-Controlled Key","type":"CWE"}]}],"providerMetadata":{"shortName":"VulnCheck","orgId":"83251b91-4cc7-4094-a5c7-464a1b83ea10","dateUpdated":"2026-09-24T14:20:13.236Z"},"datePublic":"2026-07-03T00:00:00.000Z","credits":[{"lang":"en","value":"George Chen","type":"finder"}],"x_generator":{"engine":"vulncheck-endgame"}},"adp":[{"title":"CISA ADP Vulnrichment","references":[{"url":"https://github.com/VoltAgent/voltagent/issues/1371","tags":["exploit"]}],"metrics":[{"other":{"type":"ssvc","content":{"timestamp":"2026-08-28T20:26:43.814748Z","id":"CVE-2026-82283","options":[{"Exploitation":"poc"},{"Automatable":"no"},{"Technical Impact":"total"}],"role":"CISA Coordinator","version":"2.0.3"}}}],"providerMetadata":{"shortName":"CISA-ADP","orgId":"134c704f-9b21-4f2e-91b3-4a467353bcc0","dateUpdated":"2026-08-28T20:27:20.972Z"}}]}}}