{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2026-34584","assignerOrgId":"a0819718-46f1-4df5-94e2-005712e83aaa","state":"PUBLISHED","assignerShortName":"GitHub_M","dateReserved":"2026-03-30T16:56:30.999Z","datePublished":"2026-04-02T17:31:37.615Z","dateUpdated":"2026-04-02T19:09:02.060Z"},"containers":{"cna":{"title":"listmonk: Broken Access Control in CSV Import (Unauthorized List Assignment)","problemTypes":[{"descriptions":[{"cweId":"CWE-639","lang":"en","description":"CWE-639: Authorization Bypass Through User-Controlled Key","type":"CWE"}]}],"metrics":[{"cvssV3_1":{"attackComplexity":"LOW","attackVector":"NETWORK","availabilityImpact":"NONE","baseScore":5.4,"baseSeverity":"MEDIUM","confidentialityImpact":"LOW","integrityImpact":"LOW","privilegesRequired":"LOW","scope":"UNCHANGED","userInteraction":"NONE","vectorString":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:N","version":"3.1"}}],"references":[{"name":"https://github.com/knadh/listmonk/security/advisories/GHSA-85j8-5c6w-gcpv","tags":["x_refsource_CONFIRM"],"url":"https://github.com/knadh/listmonk/security/advisories/GHSA-85j8-5c6w-gcpv"},{"name":"https://github.com/knadh/listmonk/commit/347f5976759232c36e571cf58b4bfe33c2794f35","tags":["x_refsource_MISC"],"url":"https://github.com/knadh/listmonk/commit/347f5976759232c36e571cf58b4bfe33c2794f35"},{"name":"https://github.com/knadh/listmonk/releases/tag/v6.1.0","tags":["x_refsource_MISC"],"url":"https://github.com/knadh/listmonk/releases/tag/v6.1.0"}],"affected":[{"vendor":"knadh","product":"listmonk","versions":[{"version":">= 4.1.0, < 6.1.0","status":"affected"}]}],"providerMetadata":{"orgId":"a0819718-46f1-4df5-94e2-005712e83aaa","shortName":"GitHub_M","dateUpdated":"2026-04-02T17:31:37.615Z"},"descriptions":[{"lang":"en","value":"listmonk is a standalone, self-hosted, newsletter and mailing list manager. From version 4.1.0 to before version 6.1.0, bugs in list permission checks allows users in a multi-user environment to access to lists (which they don't have access to) under different scenarios. This only affects multi-user environments with untrusted users. This issue has been patched in version 6.1.0."}],"source":{"advisory":"GHSA-85j8-5c6w-gcpv","discovery":"UNKNOWN"}},"adp":[{"metrics":[{"other":{"type":"ssvc","content":{"timestamp":"2026-04-02T19:08:49.596406Z","id":"CVE-2026-34584","options":[{"Exploitation":"none"},{"Automatable":"no"},{"Technical Impact":"partial"}],"role":"CISA Coordinator","version":"2.0.3"}}}],"title":"CISA ADP Vulnrichment","providerMetadata":{"orgId":"134c704f-9b21-4f2e-91b3-4a467353bcc0","shortName":"CISA-ADP","dateUpdated":"2026-04-02T19:09:02.060Z"}}]}}