CVE-2026-23697: Vtiger CRM 0 through 8.3.0

CVE-2026-23697. CVSS 3.1 base score 8.8 (HIGH, Vendor/CNA). EPSS 0.00999 (percentile 0.62536), scored 25-Oct-2026.

Affected technology

Vtiger CRM · 0 through 8.3.0
Vtiger

Description’s affected range: before 8.4.0

Component: Not specified by the source

Attack conditions (Vendor/CNA, CVSS 4.0): Network (remote) · Low privileges required · No user interaction required

What an attacker can do

Low-privileged users can achieve remote code execution by uploading a .phar file containing arbitrary PHP code through the Documents module, bypassing the extension denylist in config.inc.php which omits the .phar extension. Vendor/CNA’s CVSS 4.0 assessment (base score 8.7/10) rates confidentiality, integrity and availability impact as high.

Published 25-Oct-2026 21:45 UTC

CWE: CWE-434
CCR priority: 35.4 /100 (P4)
CVSS 3.1: 8.8 /10 · CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H · Vendor/CNA
EPSS: 0.00999 · percentile 0.62536 · 2026-10-25
KEV: no

Provenance

NVD CVE API 2.0 · Source record · observed 2026-10-25 21:44:36.062275+00:00 UTC

Stable permalink: https://cybercodered.org/item/cve-cve-2026-23697.html