Auth bypass in Krayin Laravel-Crm
CVE-2026-41452
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.
Vulnerability class: Broken Authentication
EPSS: 0.025 (83.6th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 9.8 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.
Affected products
- Krayin Laravel-crm — versions 0, 2.2.1, 2.2.4
Weakness classification (CWE)
Public proof-of-concept exploits
References
- disclosure@vulncheck.com (technical-description, exploit)
- disclosure@vulncheck.com (third-party-advisory)
Frequently asked questions
- What is CVE-2026-41452?
- CVE-2026-41452 is a critical-severity vulnerability in Krayin Laravel-Crm, classified under Missing Authentication for Critical Function. CVSS score: 9.8/10. Published 2026-08-03.
- How severe is CVE-2026-41452?
- Critical severity. CVSS v3 base score is 9.8 out of 10.
- Is CVE-2026-41452 known to be exploited?
- 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.