Affects IBM Engineering Lifecycle Management (enterprise software); unauthenticated access could lead to full compromise.
CVE-2026-3660
Unauthenticated remote update of server properties in IBM ELM leads to unauthorized access.
Is CVE-2026-3660 being exploited?
Not confirmed. CVE-2026-3660 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 0.58% probability of exploitation in the next 30 days.
How severe is CVE-2026-3660?
CVE-2026-3660 is rated Critical with a CVSS score of 9.8. 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-2026-3660?
Yes. A fix has been recorded for CVE-2026-3660. The vendor advisory is the authority on the exact fixed version — apply it from there rather than from a summary.
What does CVE-2026-3660 affect?
CVE-2026-3660 affects IBM Engineering Lifecycle Management 7.0.3, IBM Engineering Lifecycle Management 7.1.0, IBM Engineering Lifecycle Management 7.2.0. Confirm the exact affected versions against the vendor advisory before deciding you are exposed.
What should I do about CVE-2026-3660?
Patch when available; limit exposure to trusted networks.
Exploitation status reflects CISA's KEV catalog as we last synced it. Check the catalog directly.
Remote, unauthenticated property-file update enables app access and data exposure.
Immediate action required
- affected>= 7.0.3 and <= Interim Fix 021
- affected>= 7.1.0 and <= Interim Fix 009
- affected>= 7.2.0 and <= Interim Fix 001
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.