CVE-2026-61241: 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. While the vulnerability is in Oracle Internet Directory, attacks may significantly impact additional products (scope change). Successful attacks of this vulnerability can result in takeover of Oracle Internet Directory. CVSS 3.1 Base Score 10.0 (Confidentiality, Integrity and Availability impacts). CVSS Vector: (CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H).
Security readout for executives and security teams
Plain-English summary
This critical Oracle Internet Directory flaw can let an unauthenticated network attacker take over a vulnerable directory server through LDAP. A successful compromise could expose or alter identity data, disrupt authentication-dependent services, and affect connected products. Oracle identifies versions 12.2.1.4.0 and 14.1.2.1.0 as affected.
Executive priority
Treat as an emergency remediation item. Prioritize internet-accessible and broadly reachable directory servers first, then all remaining affected instances. Because directory takeover can undermine authentication and connected services, owners should assess downstream business impact and monitor for compromise while applying Oracle guidance.
Technical view
CVE-2026-61241 is an access-control vulnerability, categorized as CWE-284, in the Oracle Internet Directory LDAP Server. It requires network access but no credentials or user interaction and has low attack complexity. Oracle assigns CVSS 3.1 score 10.0 with complete confidentiality, integrity, and availability impact plus scope change.
Likely exposure
Exposure is highest where affected Oracle Internet Directory LDAP services are reachable from untrusted or broadly accessible networks. Internal-only systems remain at risk from compromised hosts or users with network reach. The supplied sources do not identify vulnerable configurations beyond the two supported product versions.
Exploitation context
The supplied record says exploitation is easy and requires only network access through LDAP. However, it is not listed as a CISA KEV in the bundle, and no cited source establishes active exploitation, public exploit availability, or observed campaigns.
Researcher notes
The source record provides impact and attack prerequisites but not the underlying access-control failure, affected LDAP operations, detection indicators, or patch details. Scope change indicates compromise may cross the vulnerable component's security boundary. Avoid assuming a specific root cause or exploit technique without additional Oracle technical documentation.
Mitigation direction
Inventory Oracle Internet Directory instances and identify deployments running versions 12.2.1.4.0 or 14.1.2.1.0.
Consult the Oracle advisory immediately for the applicable security update or vendor-prescribed remediation.
Restrict LDAP network access to explicitly authorized systems while remediation is pending.
Monitor affected directory services and connected identity systems for suspicious access or unexpected changes.
Validation and detection
Confirm installed Oracle Internet Directory versions using authoritative asset and deployment records.
Verify LDAP listeners are not reachable from untrusted networks or unnecessary internal segments.
Confirm Oracle-recommended remediation has been applied to every affected instance.
Review directory audit, authentication, and network logs for anomalous LDAP activity or unauthorized changes.
Validate connected products and identity-dependent 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: yesTechnical 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.