CVE-2026-61258: Vulnerability in the Oracle Internet Directory product of Oracle Fusion Middleware (component: OID LDAP Ser...
Vulnerability in the Oracle Internet Directory product of Oracle Fusion Middleware (component: OID LDAP Server). Supported versions that are affected are 12.2.1.4.0 and 14.1.2.1.0. Easily exploitable vulnerability allows unauthenticated attacker with network access via LDAP to compromise Oracle Internet Directory. Successful attacks of this vulnerability can result in takeover of Oracle Internet Directory. CVSS 3.1 Base Score 9.8 (Confidentiality, Integrity and Availability impacts). CVSS Vector: (CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H).
Security readout for executives and security teams
Plain-English summary
An unauthenticated attacker who can reach the LDAP service could take control of Oracle Internet Directory, exposing or altering directory data and disrupting identity-dependent services. Oracle rates the issue 9.8 critical. Confirm whether either affected version is deployed and prioritize vendor-guided remediation.
Executive priority
Treat this as an immediate remediation priority because compromise could undermine directory confidentiality, trust, and availability without requiring credentials. Assign ownership now, establish affected-instance scope, restrict exposure, follow Oracle guidance, and investigate suspicious activity. The supplied evidence does not confirm active exploitation.
Technical view
CVE-2026-61258 is an access-control vulnerability (CWE-284) in the Oracle Internet Directory LDAP Server. Versions 12.2.1.4.0 and 14.1.2.1.0 are affected. Exploitation requires LDAP network access but no authentication, privileges, user interaction, or unusual complexity. Successful exploitation can fully compromise confidentiality, integrity, and availability within Oracle Internet Directory.
Likely exposure
Exposure is highest where an affected OID LDAP service is reachable from untrusted, partner, or broadly accessible internal networks. LDAP services restricted to tightly controlled management or application networks have reduced reachability, but remain vulnerable to attackers who obtain network access.
Exploitation context
The supplied sources describe exploitation as easy and unauthenticated, with complete Oracle Internet Directory takeover possible. However, the bundle reports no KEV listing and provides no evidence of active exploitation. Public exploit availability is not established by the supplied evidence.
Researcher notes
The published vector is CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H. The weakness is categorized as CWE-284. The supplied bundle does not identify the underlying implementation flaw, affected configurations beyond version, indicators of compromise, exploit availability, or a specific patch identifier.
Mitigation direction
Inventory Oracle Internet Directory instances and identify versions 12.2.1.4.0 and 14.1.2.1.0.
Review Oracle's advisory for the applicable patch or remediation instructions.
Restrict LDAP access to explicitly authorized systems until vendor remediation is completed.
Monitor LDAP-facing systems for unusual access, directory changes, and service disruptions.
Prepare recovery procedures for directory data and identity-dependent services.
Validation and detection
Verify installed OID versions using approved asset and configuration records.
Confirm LDAP listeners are not reachable from unauthorized network segments.
Confirm Oracle-recommended remediation is applied to every affected instance.
Review LDAP and administrative logs for unexpected unauthenticated activity or directory modifications.
Retest access controls and dependent identity services after remediation.
Generated from the cited source records. This long-tail analysis has not been individually reviewed by a named human.
Potential ATT&CK relevance
Conservative CVE-to-ATT&CK context
These mappings and lookup hints may be relevant to the vulnerability behavior, CWE, affected product, or exposure path. Glexia-inferred context is not an official MITRE, ATT&CK, CWE, or CVE Program mapping.
ATT&CK lookup starting points
Use these exact CWE pages and searches to review the Glexia ATT&CK library from this CVE's weakness and description context.
cwe · medium confidence lookup
CWE-284: Authorization and privilege behavior lookup
Authorization weaknesses can support privilege escalation and valid-account review, depending on exploit path. Open the exact CWE lookup page first, then review the ATT&CK searches from that MITRE weakness context. This is a Glexia lookup hint, not an official ATT&CK mapping.
These fields come from the CVE record and ADP containers, not from Glexia's Take. They preserve time-varying source decisions such as CISA SSVC, KEV status, CVSS metrics, and provider references.
1CVSS vectors
3Timeline events
1ADP providers
2Source links
SSVC decision data
CISA-ADPCISA Coordinator
Timestamp
Version
2.0.3
Exploitation: noneAutomatable: noTechnical Impact: total
CVSS vector scores
1 official score
We collect every scored CVSS vector available in the official CNA and ADP containers. When more than one version is present, the table keeps the source vectors side by side instead of collapsing them into the highest score.
CWE links open Glexia weakness intelligence pages with official CWE context, developer remediation guidance, and related CVE mappings.
CWE-284 · source CWE mapping
Improper Access Control
Improper Access Control represents a recurring weakness pattern that can create exploitable paths when design, validation, or implementation controls are missing.