Arbitrary file upload in Vtiger Crm
CVE-2026-23697
Vtiger CRM before 8.4.0 contains an authenticated file upload vulnerability that allows low-privileged users to achieve remote code execution by uploading a .phar file containing arbitrary PHP code through the Documents module, bypassing t…
Vulnerability class: Unrestricted File Upload
CVSS v3 metric
CVSS v3 base score 8.8 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H.
Affected products
- Vtiger Crm — versions 0, 8.4.0
Weakness classification (CWE)
Public proof-of-concept exploits
References
- disclosure@vulncheck.com (technical-description, exploit)
- disclosure@vulncheck.com (product)
- disclosure@vulncheck.com (third-party-advisory)
Frequently asked questions
- What is CVE-2026-23697?
- CVE-2026-23697 is a high-severity vulnerability in Vtiger Crm, classified under Unrestricted Upload of File with Dangerous Type. CVSS score: 8.8/10. Published 2026-07-07.
- How severe is CVE-2026-23697?
- High severity. CVSS v3 base score is 8.8 out of 10.
- Is CVE-2026-23697 known to be exploited?
- 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.