Affects widely-used Oracle Coherence in Fusion Middleware; unauthenticated HTTP RCE; CVSS 10.0; high disruption risk.
CVE-2026-35308
Unauthenticated HTTP RCE in Oracle Coherence; takeover risk.
Is CVE-2026-35308 being exploited?
Not confirmed. CVE-2026-35308 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 0.47% probability of exploitation in the next 30 days.
How severe is CVE-2026-35308?
CVE-2026-35308 is rated Low with a CVSS score of 3.1. 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-2026-35308?
Yes. A fix has been recorded for CVE-2026-35308. The vendor advisory is the authority on the exact fixed version — apply it from there rather than from a summary.
What does CVE-2026-35308 affect?
CVE-2026-35308 affects Oracle Coherence (Fusion Middleware), Oracle Fusion Middleware. Confirm the exact affected versions against the vendor advisory before deciding you are exposed.
What should I do about CVE-2026-35308?
Patch promptly when available; restrict HTTP access; monitor.
Exploitation status reflects CISA's KEV catalog as we last synced it. Check the catalog directly.
Unauthenticated remote code execution via HTTP allows takeover; compromises C/I/A of Coherence.
Patch when possible
- 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.