Unauthenticated remote takeover of Oracle Coherence (widely used Oracle Fusion Middleware component) can disrupt enterprise applications and services.
CVE-2026-60277
Unauthenticated remote takeover vulnerability in Oracle Coherence.
Is CVE-2026-60277 being exploited?
Not confirmed. CVE-2026-60277 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 0.39% probability of exploitation in the next 30 days.
How severe is CVE-2026-60277?
CVE-2026-60277 is rated High with a CVSS score of 8.1. 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-2026-60277?
Yes. A fix has been recorded for CVE-2026-60277. The vendor advisory is the authority on the exact fixed version — apply it from there rather than from a summary.
What does CVE-2026-60277 affect?
CVE-2026-60277 affects Oracle Coherence 12.2.1.4.0, Oracle Coherence 14.1.1.0.0, Oracle Coherence 14.1.2.0.0, Oracle Coherence 15.1.1.0.0. Confirm the exact affected versions against the vendor advisory before deciding you are exposed.
What should I do about CVE-2026-60277?
Apply vendor patch when released; restrict TCP access to Coherence ports and monitor logs.
Exploitation status reflects CISA's KEV catalog as we last synced it. Check the catalog directly.
Unauthenticated network attacker can compromise/take over Oracle Coherence nodes, leading to full confidentiality, integrity, and availability loss.
Immediate action required
- affected12.2.1.4.0
- affected14.1.1.0.0
- affected14.1.2.0.0
- affected15.1.1.0.0
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.