{"id":"CVE-2026-37552","state":"PUBLISHED","title":"Unsafe deserialization vulnerability in MixPHP Framework 2.x thru 2.2.17. The sync-invoke TCP server (Server.php:87) receives data from a TCP socket, passes it directly to Opis\\Clo","description":"Unsafe deserialization vulnerability in MixPHP Framework 2.x thru 2.2.17. The sync-invoke TCP server (Server.php:87) receives data from a TCP socket, passes it directly to Opis\\Closure\\unserialize(), then executes the result via call_user_func(). No authentication or signature verification exists on the TCP connection. An attacker with access to the localhost TCP port (server binds 127.0.0.1) can send a crafted serialized PHP closure to achieve arbitrary code execution.","publishedAt":"2026-05-01T00:00:00.000Z","updatedAt":"2026-05-01T19:45:48.969Z","severity":{"score":8.4,"label":"High","version":"3.1","vector":"CVSS:3.1/AC:L/AV:L/A:H/C:H/I:H/PR:N/S:U/UI:N","source":"mitre"},"assigner":"mitre","products":["n/a n/a"],"affected":[{"vendor":"n/a","product":"n/a","versions":[{"version":"n/a","status":"affected"}]}],"references":["https://github.com/mix-php/mix","https://github.com/mix-php/mix/blob/v2.2.17/src/sync-invoke/src/Server.php","https://gist.github.com/sgInnora/fa46386840fe978a30d7e53c458f2975"],"weaknesses":["CWE-502"],"ingestedAt":"2026-10-29T20:11:50.837Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2026/37xxx/CVE-2026-37552.json","commit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2026-37552","state":"PUBLISHED","datePublished":"2026-05-01T00:00:00.000Z","dateUpdated":"2026-05-01T19:45:48.969Z","assignerShortName":"mitre","assignerOrgId":"8254265b-2729-46b6-b9e3-3dfca2d5bfca","dateReserved":"2026-04-06T00:00:00.000Z"},"containers":{"cna":{"descriptions":[{"lang":"en","value":"Unsafe deserialization vulnerability in MixPHP Framework 2.x thru 2.2.17. The sync-invoke TCP server (Server.php:87) receives data from a TCP socket, passes it directly to Opis\\Closure\\unserialize(), then executes the result via call_user_func(). No authentication or signature verification exists on the TCP connection. An attacker with access to the localhost TCP port (server binds 127.0.0.1) can send a crafted serialized PHP closure to achieve arbitrary code execution."}],"affected":[{"vendor":"n/a","product":"n/a","versions":[{"version":"n/a","status":"affected"}]}],"references":[{"url":"https://github.com/mix-php/mix"},{"url":"https://github.com/mix-php/mix/blob/v2.2.17/src/sync-invoke/src/Server.php"},{"url":"https://gist.github.com/sgInnora/fa46386840fe978a30d7e53c458f2975"}],"metrics":[{"cvssV3_1":{"version":"3.1","vectorString":"CVSS:3.1/AC:L/AV:L/A:H/C:H/I:H/PR:N/S:U/UI:N","attackVector":"LOCAL","attackComplexity":"LOW","privilegesRequired":"NONE","userInteraction":"NONE","scope":"UNCHANGED","confidentialityImpact":"HIGH","integrityImpact":"HIGH","availabilityImpact":"HIGH","baseScore":8.4,"baseSeverity":"HIGH"}}],"problemTypes":[{"descriptions":[{"type":"text","lang":"en","description":"n/a"}]}],"providerMetadata":{"shortName":"mitre","orgId":"8254265b-2729-46b6-b9e3-3dfca2d5bfca","dateUpdated":"2026-05-01T15:35:49.609Z"}},"adp":[{"title":"CISA ADP Vulnrichment","metrics":[{"other":{"type":"ssvc","content":{"timestamp":"2026-05-01T19:38:00.236038Z","id":"CVE-2026-37552","options":[{"Exploitation":"none"},{"Automatable":"no"},{"Technical Impact":"total"}],"role":"CISA Coordinator","version":"2.0.3"}}}],"problemTypes":[{"descriptions":[{"cweId":"CWE-502","type":"CWE","lang":"en","description":"CWE-502 Deserialization of Untrusted Data"}]}],"providerMetadata":{"shortName":"CISA-ADP","orgId":"134c704f-9b21-4f2e-91b3-4a467353bcc0","dateUpdated":"2026-05-01T19:45:48.969Z"}}]}}}