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CVE-2026-83061· NVD / CVE Program· CNA oracle

Vulnerability in the Oracle Internet Directory product of Oracle Fusion Middleware (component: OID LDAP Server).

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).

CriticalCVSS 9.8 · v3.1—No exploit No fix recorded
Published
Sep 15, 2026
Updated
Sep 22, 2026
EPSS
0.5% · 41th percentile
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Report tools

JSON

Action score

39

Monitor

Low priority for now.

CVSS
39 / 40 · 9.8 / 10
CISA KEV
0 / 30 · Not listed
EPSS
0 / 30 · 0.5%

CISA SSVC decision

Exploitation
none
Automatable
yes
Technical impact
total

Vulnrichment: CISA's decision-tree inputs.

CNA vs NVD score

NVD
—
CNA · oracle
9.8
NVD has not scored this yet; the score shown is the CNA’s.

The score given by the assigning authority versus NVD’s independent score. A gap means the severity is contested.

Noroxi analysis

No Noroxi analysis for this record yet

We don't hand-write analysis for the hundreds of thousands of vulnerabilities in the database; that wouldn't be honest. For notable, high-impact vulnerabilities our team writes the mechanism, detection and remediation steps.

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Affected systems

VendorProduct
oracleinternet directory

Affected versions

NVD version ranges (for catalog products). Add the product to your stack with a version and matching uses these.

  • oracle internet directory12.2.1.4.0
  • oracle internet directory14.1.2.1.0

Versions reported by the vendor

Affected version ranges reported by the assigning authority (oracle). Independent of NVD's CPE analysis and usually ahead of it.

  • Oracle Corporation Oracle Internet Directory

    • 12.2.1.4.0, 14.1.2.1.0affected

Same product

oracle: all records

Other highest-scoring records for the same primary product.

  • CVE-2026-83059Vulnerability in the Oracle Internet Directory product of Oracle Fusion Middleware (component: OID LDAP Server).
    40Plan
  • CVE-2026-61241Vulnerability in the Oracle Internet Directory product of Oracle Fusion Middleware (component: OID LDAP Server).
    40Plan
  • CVE-2026-83066Vulnerability in the Oracle Internet Directory product of Oracle Fusion Middleware (component: OID LDAP Server).
    39Monitor
  • CVE-2026-83062Vulnerability in the Oracle Internet Directory product of Oracle Fusion Middleware (component: OID LDAP Server).
    39Monitor
  • CVE-2026-83060Vulnerability in the Oracle Internet Directory product of Oracle Fusion Middleware (component: OID LDAP Server).
    39Monitor
  • CVE-2026-83054Vulnerability in the Oracle Internet Directory product of Oracle Fusion Middleware (component: OID LDAP Server).
    39Monitor

Remediation

Which version to upgrade to

Fix versions compiled from the vendor, package registries and Microsoft. Verify the vendor's note before upgrading.

No fix version is recorded for this entry. Check the references for vendor advisories.

Exploit status

No known public exploit

No public exploit has been observed yet. That doesn't mean you're safe, only that the bar is a little higher.

Research context

For pentesters and researchers: attack profile, score disagreement, timeline, patch commits, credits, variant and chain candidates, bug bounty scope. All derived from existing data; no exploit code.

Timeline

From publication to today: proof of concept, Metasploit module, CISA KEV and fix record. Dates are as reported by the sources.

No dated events beyond publication.

EPSS, last 120 days

FIRST EPSS daily score; only changes of 0.01 or more are recorded (step chart).

Patch and commit links

Commit, PR and diff links among the references. A starting point for patch-diffing and variant hunting; fixes, not exploits.

No commit or PR link among the references.

Credits

All researchers

Finders, reporters and analysts named in the CNA record. Click a name for that researcher’s other records.

No credits in the CNA record.

Variant candidates

Same product, same weakness class, within 18 months. If the patch missed the root cause, the sibling bug is here.

  • CVE-2026-830590 days apartVulnerability in the Oracle Internet Directory product of Oracle Fusion Middleware (component: OID LDAP Server).
    40Plan
  • CVE-2026-830540 days apartVulnerability in the Oracle Internet Directory product of Oracle Fusion Middleware (component: OID LDAP Server).
    39Monitor
  • CVE-2026-830600 days apartVulnerability in the Oracle Internet Directory product of Oracle Fusion Middleware (component: OID LDAP Server).
    39Monitor
  • CVE-2026-830620 days apartVulnerability in the Oracle Internet Directory product of Oracle Fusion Middleware (component: OID LDAP Server).
    39Monitor
  • CVE-2026-830660 days apartVulnerability in the Oracle Internet Directory product of Oracle Fusion Middleware (component: OID LDAP Server).
    39Monitor

Chain candidates

An authentication bypass and a privilege-requiring bug in the same product, published close together: combined they may become an unauthenticated path.

—

Bug bounty scope

No known public program.

Source: bounty-targets-data (public HackerOne, Bugcrowd, Intigriti, YesWeHack listings).

Technical details

Attack conditions

  • Anyone who can reach it over the internet can trigger it.
  • No account or password is required.
  • No user action is required.
  • No special conditions are required; it is repeatable.

If successful

Confidentiality
high · data can be read
Integrity
high · data or configuration can be modified
Availability
high · the service can be disrupted
Attack vector
Network
Attack complexity
Low
Privileges required
None
User interaction
None
Scope
Unchanged
Confidentiality impact
High
Integrity impact
High
Availability impact
High

Weakness class (CWE)

CWE-287 · Improper Authentication

CVSS vector

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

nvd-secondary

Root cause

Authentication is added route by route instead of being enforced in one place. When a route added later bypasses the shared middleware, the session check never runs for it.

The bug in code

The whole CWE-287 class

A representative example of this vulnerability class. Not the vendor's source code; it shows the faulty pattern and its fix.

Vulnerable

ts
app.use("/admin", requireSession, adminRouter);
// Route added later skips the middlewareapp.post("/admin-api/config", updateConfig);

Fixed

ts
const admin = express.Router();admin.use(requireSession, requireRole("admin"));
admin.post("/config", updateConfig);app.use("/admin", admin);

Attack context

MITRE CAPEC attack patterns and ATT&CK techniques for this weakness class (CWE). A starting point for detection rules and threat hunting.

Change log

No changes recorded on tracked fields yet. Score, KEV, exploit maturity and fix status changes appear here.

References

Vendor advisories and official records. Exploit/PoC links are deliberately left out.

All records