CVE-2026-60436Network attack vector

Unauthenticated LDAP-triggered service hang or crash

Published Jul 21, 2026 · Updated Jul 21, 2026

Denial of service in OUD Core in Oracle Unified Directory 12.2.1.4.0 and 14.1.2.1.0 allows remote attackers to hang or crash LDAP. Oracle has not disclosed which LDAP request or OUD Core operation mishandles input, consistent with its policy of publishing only risk-matrix details. No authentication or user interaction is required; successful requests cause repeatable directory-service interruption without reported data exposure or modification.

CVSS severity7.5
High
EPSS probability0.47%
Next 30 days · Sep 16, 2026
Known exploitationUnconfirmed
Based on sourced intelligence
Hinoki checkNot available
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Summary

What happened

Denial of service in OUD Core in Oracle Unified Directory 12.2.1.4.0 and 14.1.2.1.0 allows remote attackers to hang or crash LDAP. Oracle has not disclosed which LDAP request or OUD Core operation mishandles input, consistent with its policy of publishing only risk-matrix details. No authentication or user interaction is required; successful requests cause repeatable directory-service interruption without reported data exposure or modification.

The record

CVE
CVE-2026-60436
Published
Jul 21, 2026
Updated
Jul 21, 2026
Vendor
Oracle
Product
Oracle Unified Directory
Classifications
CWE-400, T1499
Attack vector
network
Privileges
unauthenticated

Timeline

How it unfolded

  1. Jul 21, 2026CVE publishedPublication date reported by the CVE source.
  2. Jul 21, 2026Record updatedLatest update available in the CVE record.

Exploitability

Present is not the same as exploitable

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Is a vulnerable build present?

Compare these published version ranges with your installed build and any vendor patches.

  1. Affected versionversion=12.2.1.4.0
  2. Affected versionversion=14.1.2.1.0

What conditions does exploitation require?

Attack vectornetwork
Required privilegesunauthenticated

What is affected?

Oracle · Oracle Unified Directoryversion=12.2.1.4.0; version=14.1.2.1.0

Published CVSS scores

7.5Oracle CorporationCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

CVSS describes severity. EPSS estimates exploitation probability.

Attacks

What attackers are doing with it

Daily unique IPs observed by Shadowserver honeypots for known exploited vulnerabilities (KEVs). Missing observations do not establish an absence of attacks.

Daily unique IPsNo honeypot observations are available for this CVE in the selected window.

No observations available

Sep 10, 2026Sep 16, 2026
Latest reporting daySep 16, 2026
Latest daily unique IPsUnavailable
Prior 30-day averageUnavailable
SourceShadowserver honeypots (KEV)
Vectornetwork
Privilegesunauthenticated
Known exploitationUnconfirmed
Public exploitUnconfirmed

Weakness, pattern, technique

CWE-400Uncontrolled Resource Consumption
T1499Endpoint Denial of Service

Public exploit references

No public exploit references are available in this record.

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Technologies

Your stack

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Your stack

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