{"cve_id":"CVE-2018-15133","published":"2018-08-09T19:29:00.333000+00:00","last_modified":"2026-06-17T01:42:06.387000+00:00","vuln_status":"Analyzed","description":"In Laravel Framework through 5.5.40 and 5.6.x through 5.6.29, remote code execution might occur as a result of an unserialize call on a potentially untrusted X-XSRF-TOKEN value. This involves the decrypt method in Illuminate/Encryption/Encrypter.php and PendingBroadcast in gadgetchains/Laravel/RCE/3/chain.php in phpggc. The attacker must know the application key, which normally would never occur, but could happen if the attacker previously had privileged access or successfully accomplished a previous attack.","cvss_version":"3.1","cvss_vector":"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H","base_score":8.1,"base_severity":"HIGH","attack_vector":"NETWORK","privileges_req":"NONE","user_interaction":"NONE","scope":"UNCHANGED","impact_c":"HIGH","impact_i":"HIGH","impact_a":"HIGH","cwe_ids":["CWE-502"],"in_kev":true,"kev_date_added":"2024-01-16","kev_ransomware":false,"epss_score":0.7657,"epss_percentile":0.99543,"cap_rule_version":"0.1.1","stage":"INITIAL_ACCESS","req_access":"NONE","req_vector":"NETWORK","req_user_interaction":false,"grant_access":"USER","caps":["CODE_EXEC"],"terminal":false,"cap_confidence":"high","ingested_at":"2026-09-18T08:49:46.683674+00:00","first_seen":"2018-08-09T19:29:00.333000+00:00","kev_first_seen":"2024-01-16T00:00:00+00:00","novelty_score":0.0,"novelty_reasons":[],"novelty_at":null,"vendors":["laravel"],"products":["laravel"],"affected":[{"vendor":"laravel","product":"laravel","ranges":["≤ 5.5.40","≥ 5.6.0 and ≤ 5.6.29"]}]}