CVE-2026-23697
Authenticated .phar upload leads to RCE in Vtiger CRM (<8.4.0).
Is CVE-2026-23697 being exploited?
Not confirmed. CVE-2026-23697 does not appear in CISA's Known Exploited Vulnerabilities catalog, which records only exploitation that has been observed and reported publicly. That is evidence of absence of a report, not evidence the flaw is unattacked. EPSS currently estimates a 1.00% probability of exploitation in the next 30 days.
How severe is CVE-2026-23697?
CVE-2026-23697 is rated High with a CVSS score of 8.7. Severity describes how bad exploitation would be, not how likely it is: pair it with exploitation evidence before deciding what to patch first.
Is there a patch for CVE-2026-23697?
Yes. A fix has been recorded for CVE-2026-23697. The vendor advisory is the authority on the exact fixed version — apply it from there rather than from a summary.
What does CVE-2026-23697 affect?
CVE-2026-23697 affects Vtiger CRM < 8.4.0, Vtiger Documents module, Apache 2.4 web servers with misconfigured .htaccess. Confirm the exact affected versions against the vendor advisory before deciding you are exposed.
What should I do about CVE-2026-23697?
Upgrade to v8.4.0+; block .phar uploads; restrict web access to storage.
Exploitation status reflects CISA's KEV catalog as we last synced it. Check the catalog directly.
Low-privileged authenticated users can upload .phar files to achieve remote code execution; uploaded payloads can be executed via web on Apache 2.4.
Immediate action required
- affected<= 8.3.0
As published in the CVE Program record. A version outside these ranges is not a statement that it is unaffected — vendors sometimes understate a range, and distribution-backported builds carry upstream numbers that do not reflect what was patched into them.