Unauthenticated remote takeover of Oracle Coherence, a widely used enterprise middleware; high-impact across many orgs and likely to be broadly prioritized.
CVE-2026-60257
Unauthenticated remote takeover vulnerability in Oracle Coherence (critical).
Is CVE-2026-60257 being exploited?
Not confirmed. CVE-2026-60257 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 0.51% probability of exploitation in the next 30 days.
How severe is CVE-2026-60257?
CVE-2026-60257 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-2026-60257?
Yes. A fix has been recorded for CVE-2026-60257. The vendor advisory is the authority on the exact fixed version — apply it from there rather than from a summary.
What does CVE-2026-60257 affect?
CVE-2026-60257 affects Oracle Coherence 14.1.1.0.0, Oracle Coherence 14.1.2.0.0, Oracle Coherence 15.1.1.0.0, Oracle Fusion Middleware (Coherence component). Confirm the exact affected versions against the vendor advisory before deciding you are exposed.
What should I do about CVE-2026-60257?
Restrict Coherence TCP access, apply vendor patch/mitigations when released, isolate and monitor affected nodes.
Exploitation status reflects CISA's KEV catalog as we last synced it. Check the catalog directly.
Unauthenticated attacker can remotely compromise Oracle Coherence over TCP, leading to full C/I/A loss and service/control takeover.
Immediate action required
- 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.