CVE-2026-40877
PHP object injection in iTop user prefs allows remote code execution (pre-3.2.3).
Is CVE-2026-40877 being exploited?
Not confirmed. CVE-2026-40877 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 0.32% probability of exploitation in the next 30 days.
How severe is CVE-2026-40877?
CVE-2026-40877 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-2026-40877?
Yes. A fix has been recorded for CVE-2026-40877. The vendor advisory is the authority on the exact fixed version — apply it from there rather than from a summary.
What does CVE-2026-40877 affect?
CVE-2026-40877 affects Combodo iTop < 3.2.3, iTop 3.2.2 and earlier, Web servers hosting iTop. Confirm the exact affected versions against the vendor advisory before deciding you are exposed.
What should I do about CVE-2026-40877?
Upgrade to iTop 3.2.3 immediately; restrict admin access and apply WAF rules.
Exploitation status reflects CISA's KEV catalog as we last synced it. Check the catalog directly.
Remote code execution via PHP object injection in user-preference handling; attacker can execute arbitrary code as the web-server user and compromise data/servers.
Immediate action required
- affected< 3.2.3
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.