CVE-2026-23698
Authenticated admin zip import allows PHP upload leading to remote code execution.
Is CVE-2026-23698 being exploited?
Not confirmed. CVE-2026-23698 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 1.2% probability of exploitation in the next 30 days.
How severe is CVE-2026-23698?
CVE-2026-23698 is rated High with a CVSS score of 8.6. 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-2026-23698?
Not known from our data. No patch reference has been recorded for CVE-2026-23698, which is not the same as no patch existing — a fix may have shipped without a tagged reference, or after this record was written. The vendor advisory is the only authority on whether a fix exists, and mitigations may be available regardless.
What does CVE-2026-23698 affect?
CVE-2026-23698 affects Vtiger CRM <= 8.4.0, ModuleManager import feature, modules/ directory under web root. Confirm the exact affected versions against the vendor advisory before deciding you are exposed.
What should I do about CVE-2026-23698?
Disable ModuleManager import, restrict admin access, remove unauthorised PHP files, apply vendor patch when released.
Exploitation status reflects CISA's KEV catalog as we last synced it. Check the catalog directly.
Admin-level attackers can upload executable PHP via crafted zip to modules/, creating persistent web shells and enabling remote code execution accessible via HTTP.
Immediate action required
- affected<= 8.4.0
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.