{"cve":{"cve_id":"CVE-2026-41452","is_kev":false,"kev_date_added":null,"kev_vendor_project":null,"kev_product":null,"kev_vulnerability_name":null,"kev_short_description":null,"kev_required_action":null,"kev_due_date":null,"kev_known_ransomware":null,"kev_notes":null,"kev_cwes":null,"epss_score":0.03742,"epss_percentile":0.89697,"epss_as_of":"2026-10-15","description":"Krayin CRM 2.2.4 contains a missing authentication vulnerability in the installer middleware that allows unauthenticated remote attackers to overwrite the primary administrator account by sending a crafted HTTP POST request with the X-Requested-With: XMLHttpRequest header to bypass the CanInstall middleware redirect check. Attackers can supply arbitrary name, email, and password values to the admin-config-setup endpoint, which performs an unauthenticated updateOrInsert targeting the hardcoded administrator user ID, enabling full administrative access to all CRM data.","published_at":"2026-08-03T15:43:05.347000Z","last_modified_at":"2026-10-23T21:10:00.157000Z","cvss_v3_score":9.8,"cvss_v3_vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","cvss_v3_severity":"CRITICAL","cvss_v4_score":9.3,"cvss_v4_vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N","cvss_v4_severity":"CRITICAL","ssvc_decision":null,"ssvc_exploitation":"poc","ssvc_automatable":true,"ssvc_technical_impact":"total","cwes":["CWE-306"],"nvd_references":["https://jivasecurity.com/writeups/krayin-installer-bypass-account-takeover-cve-2026-41452","https://www.vulncheck.com/advisories/krayin-crm-missing-authentication-via-install-api-admin-config-setup"],"vuln_status":"Deferred","trending_score":null,"is_trending":false,"has_trended":false,"trended_number_one":false,"trending_peak_score":null,"trending_peak_rank":null,"started_trending_at":null,"trended_number_one_at":null,"summary_generated":null,"summary_generated_at":null,"summary_model":null,"created_at":"2026-08-03T17:17:26.048931Z","updated_at":"2026-10-25T04:48:26.967327Z"},"effective_severity":"CRITICAL","badges":["poc"],"impact_analysis":[],"cvss_v3_decoded":{"version":"3.1","metrics":[{"metric":"AV","name":"Attack Vector","value":"N","value_label":"Network"},{"metric":"AC","name":"Attack Complexity","value":"L","value_label":"Low"},{"metric":"PR","name":"Privileges Required","value":"N","value_label":"None"},{"metric":"UI","name":"User Interaction","value":"N","value_label":"None"},{"metric":"S","name":"Scope","value":"U","value_label":"Unchanged"},{"metric":"C","name":"Confidentiality","value":"H","value_label":"High"},{"metric":"I","name":"Integrity","value":"H","value_label":"High"},{"metric":"A","name":"Availability","value":"H","value_label":"High"}]},"cvss_v4_decoded":{"version":"4.0","metrics":[{"metric":"AV","name":"Attack Vector","value":"N","value_label":"Network"},{"metric":"AC","name":"Attack Complexity","value":"L","value_label":"Low"},{"metric":"AT","name":"Attack Requirements","value":"N","value_label":"None"},{"metric":"PR","name":"Privileges Required","value":"N","value_label":"None"},{"metric":"UI","name":"User Interaction","value":"N","value_label":"None"},{"metric":"VC","name":"Confidentiality (Vulnerable System)","value":"H","value_label":"High"},{"metric":"VI","name":"Integrity (Vulnerable System)","value":"H","value_label":"High"},{"metric":"VA","name":"Availability (Vulnerable System)","value":"H","value_label":"High"},{"metric":"SC","name":"Confidentiality (Subsequent System)","value":"N","value_label":"None"},{"metric":"SI","name":"Integrity (Subsequent System)","value":"N","value_label":"None"},{"metric":"SA","name":"Availability (Subsequent System)","value":"N","value_label":"None"}]},"affected":[{"vendor_slug":"krayin","vendor_name":"krayin","product_slug":"laravel-crm","product_name":"laravel-crm","version_start":"0","version_start_inclusive":true,"version_end":"2.2.0","version_end_inclusive":true,"cpe23_uri":"cve5:krayin:laravel-crm:0:2.2.0"},{"vendor_slug":"krayin","vendor_name":"krayin","product_slug":"laravel-crm","product_name":"laravel-crm","version_start":"2.2.1","version_start_inclusive":true,"version_end":"2.2.3","version_end_inclusive":true,"cpe23_uri":"cve5:krayin:laravel-crm:2.2.1:2.2.3"},{"vendor_slug":"krayin","vendor_name":"krayin","product_slug":"laravel-crm","product_name":"laravel-crm","version_start":"2.2.4","version_start_inclusive":true,"version_end":"2.2.4","version_end_inclusive":true,"cpe23_uri":"cve5:krayin:laravel-crm:2.2.4:2.2.4"}],"exploit_refs":[{"source":"nuclei","kind":"nuclei","url":"https://github.com/projectdiscovery/nuclei-templates/blob/main/http/cves/2026/CVE-2026-41452.yaml","title":"Krayin CRM < 2.2.1 - Installer Authentication Bypass","author":"str4k3r","disclosed_at":null}],"news":[],"references":[{"url":"https://jivasecurity.com/writeups/krayin-installer-bypass-account-takeover-cve-2026-41452","source_type":"MISC","tags":[]},{"url":"https://www.vulncheck.com/advisories/krayin-crm-missing-authentication-via-install-api-admin-config-setup","source_type":"VENDOR_ADVISORY","tags":["advisory"]}],"timeline":[{"type":"published","at":"2026-08-03T15:43:05.347000Z","label":"CVE published","source":null},{"type":"ssvc_changed","at":"2026-08-05T03:41:38.287526Z","label":"SSVC decision revised","source":"vulnrichment"},{"type":"ssvc_changed","at":"2026-08-05T03:41:38.287526Z","label":"SSVC decision revised","source":"vulnrichment"},{"type":"ssvc_changed","at":"2026-08-05T03:41:38.287526Z","label":"SSVC decision revised","source":"vulnrichment"},{"type":"poc_available","at":"2026-09-07T05:36:54.193923Z","label":"Public PoC available","source":"nuclei"}]}