{"id":"CVE-2026-37552","aliases":["EUVD-2026-26670","GHSA-m8pm-m9cw-wjqh"],"status":"published","title":"Unsafe deserialization vulnerability in MixPHP Framework 2.x thru 2.2.17. The sync-invoke TCP...","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.","severity":{"version":"3.1","score":8.4,"vector":"CVSS:3.1/AC:L/AV:L/A:H/C:H/I:H/PR:N/S:U/UI:N","level":"high","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-09","score":0.00253,"percentile":0.16944,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-502"],"published":"2026-05-01T00:00:00Z","modified":"2026-10-28T02:30:45Z","products":[{"vendor":"openmix","product":"mix_php"}],"references":[{"url":"https://github.com/mix-php/mix","tags":["Product","package"]},{"url":"https://github.com/mix-php/mix/blob/v2.2.17/src/sync-invoke/src/Server.php","tags":["Product","web"]},{"url":"https://gist.github.com/sgInnora/fa46386840fe978a30d7e53c458f2975","tags":["Third Party Advisory","web"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-37552","tags":["advisory"]},{"url":"https://github.com/advisories/GHSA-m8pm-m9cw-wjqh"},{"url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/37xxx/CVE-2026-37552.json","tags":["advisory"]}],"sources":{"cve":[{"id":"CVE-2026-37552","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.","status":"published","published":"2026-05-01T00:00:00Z","modified":"2026-05-01T19:45:48.969Z","cvss":[{"version":"3.1","score":8.4,"vector":"CVSS:3.1/AC:L/AV:L/A:H/C:H/I:H/PR:N/S:U/UI:N","level":"high","assessor":"cna"}],"cwes":["CWE-502"],"updated_at":"2026-11-02T13:39:16.730222Z"}],"euvd":[{"id":"EUVD-2026-26670","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.","status":"published","published":"2026-05-01T00:00:00Z","modified":"2026-05-01T19:45:48Z","cvss":[{"version":"3.1","score":8.4,"vector":"CVSS:3.1/AC:L/AV:L/A:H/C:H/I:H/PR:N/S:U/UI:N","level":"high"}],"updated_at":"2026-11-02T19:05:18.340967Z"}],"ghsa":[{"id":"GHSA-m8pm-m9cw-wjqh","title":"Unsafe deserialization vulnerability in MixPHP Framework 2.x thru 2.2.17. The sync-invoke TCP...","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.","status":"published","published":"2026-05-01T18:31:24Z","modified":"2026-05-01T21:31:20Z","cvss":[{"version":"3.1","score":8.4,"vector":"CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","level":"high"}],"cwes":["CWE-502"],"updated_at":"2026-11-02T15:07:52.84276Z"}],"nvd":[{"id":"CVE-2026-37552","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.","status":"published","published":"2026-05-01T16:16:30.917Z","modified":"2026-07-08T03:26:23.18Z","cvss":[{"version":"3.1","score":8.4,"vector":"CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","level":"high","assessor":"secondary"}],"cwes":["CWE-502"],"updated_at":"2026-11-02T14:12:17.022502Z"}],"osv":[{"id":"CVE-2026-37552","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.","status":"published","published":"2026-05-01T00:00:00Z","modified":"2026-10-28T02:30:45.003226178Z","cvss":[{"version":"3.1","score":8.4,"vector":"CVSS:3.1/AC:L/AV:L/A:H/C:H/I:H/PR:N/S:U/UI:N","level":"high"}],"updated_at":"2026-11-02T15:45:03.040464Z"}]}}