Attack ChainAIDerived
Hypothetical attack flow derived from CVE metadata – not a confirmed exploit chain
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AccessReach exposed OIM HTTP endpoint
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DeliverySend crafted request bypassing authentication
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ExploitGain unauthenticated access to Core
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ExecutionTake over Identity Manager
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ImpactCompromise provisioned identities and credentials
Vulnerability Assessment
| Weakness |
CWE
OWASP Top 10:2025
A07:2025 - Authentication Failures
ASVS 5.0
V6 - Authentication Authentication mechanism validation
MITRE ATT&CK
2 techniques across 2 tactics: Defense Evasion, Initial Access The technique list with ATT&CK links and the kill-chain view is part of the Basic plan and up. |
| Exploitation Conditions | No special conditions - remote unauthenticated exploitation over HTTP against Oracle Identity Manager (Core component), versions 12.2.1.4.0 and 14.1.2.1.0, per the CVSS vector AV:N/AC:L/PR:N/UI:N. The only practical limiting factors are network reachability of the OIM HTTP interface (an internet-exposed instance is fully at risk; an internal-only instance narrows the attacker population) and running one of the affected versions. No authentication, no user interaction, and no non-default configuration are required according to the vector and Oracle's 'easily exploitable' characterization. |
| Impact | This is a genuine top-priority vulnerability. The CVSS 3.1 vector (AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H = 9.8) describes fully remote, network-based (HTTP), low-complexity exploitation with no privileges and no user interaction, resulting in complete confidentiality, integrity and availability compromise - Oracle itself characterizes it as 'easily exploitable' resulting in full 'takeover of Oracle Identity Manager.' Because Oracle Identity Manager is an identity/access-governance product, a takeover is unusually consequential: it can cascade into downstream account and credential compromise across every system it provisions. No EPSS score, CISA KEV listing, or public POC was provided in the input, so there is no public exploit identified at time of analysis and no confirmed active exploitation - the severity rests on the vendor CVSS and the pre-auth nature of the flaw rather than observed attacks. The one caveat is that Oracle CPU advisories are deliberately terse: the underlying technical mechanism (the specific CWE-287 authentication-bypass path) is not disclosed, so exploitation feasibility cannot be independently corroborated beyond Oracle's own 'easily exploitable' framing. Net: treat as high-urgency patching given the pre-auth full-takeover profile, while noting exploitation-in-the-wild is not yet evidenced. |
| Exploit ScenarioDerived | An unauthenticated attacker with network reach to an internet- or intranet-exposed Oracle Identity Manager instance sends crafted HTTP request(s) that abuse the authentication weakness (CWE-287) in the Core component, bypassing login to gain control of the IAM platform. Once the identity manager is taken over, the attacker can read and manipulate provisioned identities and credentials, achieving full confidentiality, integrity and availability compromise. No public exploit code was identified in the provided data, and there is no evidence of active exploitation at time of analysis. |
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Alert meAnalysisAIv1 – Sep 16, 2026
Unauthenticated, network-positioned attackers can fully take over Oracle Identity Manager 12.2.1.4.0 and 14.1.2.1.0 by bypassing authentication in the Core component (CVE-2026-70913), which carries a CVSS 3.1 base score of 9.8 using the vector CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H. Oracle characterizes the flaw as easily exploitable over HTTP, meaning no credentials, no user interaction, and no non-default configuration are required - only HTTP reachability to an affected instance - and successful exploitation gives complete loss of confidentiality, integrity, and availability on the identity platform. No public exploit code or confirmed active exploitation was identified at time of analysis, but the zero-prerequisite exploitation profile makes any internet- or broadly reachable OIM deployment a top-priority exposure.
RemediationAI
Apply the Oracle fix referenced by the vendor security alert at https://www.oracle.com/security-alerts/cspusep2026.html; the provided data does not specify an exact patched version number, so treat this as patch-available-per-vendor-advisory and confirm the precise OIM bundle/patch release against My Oracle Support before scheduling maintenance. Until patched, the highest-value compensating control is to remove untrusted HTTP reachability to the OIM application and its administrative/self-service interfaces: place the instance behind a VPN or an authenticating reverse proxy, or apply network ACLs and firewall rules that permit only known administrative source ranges, accepting the operational cost of reduced remote access for legitimate users. If a web application firewall or reverse proxy is in front of OIM, enable strict request validation and alerting on anomalous authentication flows, understanding that signature-based filtering is a weak substitute for a fix and may be bypassed. Where SSO or trusted-header style authentication integrations are configured but not required for OIM Core, disabling or tightly restricting those trust paths narrows the bypass surface, at the cost of breaking federated logins until the patch is applied. Because a fully unauthenticated bypass of an identity governance platform cannot be reliably detected at the perimeter, any instance that was internet-exposed while unpatched should be treated as potentially compromised and hunted for unauthorized account provisioning, new or modified administrative accounts, changes to identity data, and unusual outbound connector activity; credential rotation for OIM administrative and service accounts should follow. Restarting or redeploying the application does not remediate the underlying authentication defect.
Affected VersionsENISA
Affected Packages
Source: OSV (Open Source Vulnerabilities)
Affects your stack
Affects 1 package in euvd
Checking this CVE against your own stacks and servers is part of the Basic plan and up.
Technical ContextAI · show details
Oracle Identity Manager (OIM) is the identity governance and administration component of Oracle Fusion Middleware, typically deployed as a Java EE application on Oracle WebLogic Server and exposed over HTTP(S) for administration, self-service, and provisioning workflows; it front-ends identity stores such as LDAP directories, databases, and connector targets, which makes it a high-value control plane rather than a simple application. The assigned weakness is CWE-287 (Improper Authentication), indicating the Core component fails to correctly verify a caller's identity before granting access - the classic authentication-bypass class in which a crafted request, token, or session state is accepted as authenticated. Oracle's Critical Patch Update advisories conventionally withhold the precise trigger until a fix is broadly deployed, so the exact bypass mechanism is not disclosed in the available intelligence; what is confirmed is the attack surface (HTTP), the prerequisiteless vector (AV:N/AC:L/PR:N/UI:N), and the scope-unchanged impact (S:U with high C/I/A), meaning compromise is bounded to OIM itself but yields full control of that product. EUVD (EUVD-2026-79513) mirrors the same two affected versions, and no CPE strings were supplied, so asset identification must be done by product version rather than by CPE matching. Because OIM brokers accounts and entitlements for downstream systems, an authentication bypass at the Core layer can be leveraged to provision or modify privileged identities, making second-order impact on connected systems likely even though the CVSS scope is unchanged.
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Severity by source
AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Vendor describes easily exploitable unauthenticated HTTP takeover with full C/I/A loss, so AV:N/AC:L/PR:N/UI:N and C:H/I:H/A:H are all justified; no cross-component scope change.
Primary rating from Vendor (oracle).
CVSS VectorVendor: oracle
DescriptionCVE.org
Vulnerability in the Oracle Identity Manager product of Oracle Fusion Middleware (component: Core). 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 HTTP to compromise Oracle Identity Manager. Successful attacks of this vulnerability can result in takeover of Oracle Identity Manager. 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).
Executive ViewAI
Oracle Identity Manager 12.2.1.4.0 and 14.1.2.1.0 contain a critical authentication bypass in the Core component that lets any attacker with network reachability take complete control of the identity platform without credentials or user interaction. Because no special configuration or privileged access is required, every internet-facing or broadly reachable OIM deployment should be treated as exposed until it is contained. Full compromise of this system would expose enterprise identity data and the downstream access it governs, so leadership should treat it as a top-priority exposure.
No vendor-released patch identified at time of analysis. Interim mitigations: remove internet and broad-network reachability of affected Oracle Identity Manager 12.2.1.4.0 and 14.1.2.1.0 instances; restrict HTTP/HTTPS access by firewall, segmentation, or network allowlist to trusted administrative sources; require VPN or zero-trust access for all users and administrators; place instances behind a reverse proxy or WAF with strict source allowlisting; enforce enhanced authentication and administrative logging with alerting on anomalous session and configuration activity; validate restorable backups and prepare credential rotation for accounts and secrets managed by the platform; monitor Oracle's advisory and Critical Patch Update channels for a fix. Note: this vulnerability is unauthenticated with no public exploit identified at time of analysis.
Threat Intelligence Overview
How this decision was reached
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What every action level means
SSVC AssessmentENISA
Priority Score
Attack Technique
Authentication bypass attacks exploit flaws in the verification mechanisms that control access to systems and applications.
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EUVD-2026-79513
GHSA-vf5x-fhrc-c9m8
NVD
CVE.org
EPSS
Exploit-DB