Oracle Fusion Middleware is widely deployed; remote takeover of a directory service can disrupt authentication and access across enterprises.
CVE-2026-61231
Remote takeover vulnerability in Oracle Virtual Directory via LDAP.
Is CVE-2026-61231 being exploited?
Not confirmed. CVE-2026-61231 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 0.33% probability of exploitation in the next 30 days.
How severe is CVE-2026-61231?
CVE-2026-61231 is rated High with a CVSS score of 8.8. 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-2026-61231?
Yes. A fix has been recorded for CVE-2026-61231. The vendor advisory is the authority on the exact fixed version — apply it from there rather than from a summary.
What does CVE-2026-61231 affect?
CVE-2026-61231 affects Oracle Virtual Directory 12.2.1.4.0, Oracle Virtual Directory 14.1.2.0.0, Oracle Fusion Middleware - Virtual Directory Server. Confirm the exact affected versions against the vendor advisory before deciding you are exposed.
What should I do about CVE-2026-61231?
Block/limit LDAP access, apply vendor patch when released, enable enhanced logging and monitor for abuse.
Exploitation status reflects CISA's KEV catalog as we last synced it. Check the catalog directly.
Remote compromise of Oracle Virtual Directory via LDAP by low-privileged attacker; full C/I/A loss, auth bypass, directory data access/modification.
Immediate action required
- affected12.2.1.4.0
- affected14.1.2.0.0
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.