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TI-2026-77541 Aliases CVE-2026-91491GHSA-c2vp-mgg4-vg5v

Authentication flaw in Oracle Identity Manager Connector LDAP Gateway

Priority MEDIUM 49CWE-287Published · Updated

Key facts

Attack vector
Network
Privileges required
None
User interaction
None
Attack complexity
Low
Impact type
Security bypass
Confidentiality · integrity · availability
High · High · High
Fix status
No fix listed

Attack profile from CVSS 3.1 · CNA. Fix status from CNA. Impact type from CWE-287.

Summary

Oracle Identity Manager Connector versions 12.2.1.4.0 and 14.1.2.1.0 are affected in the LDAP Gateway component. An improper authentication flaw (CWE-287) lets an easily exploitable attack succeed without authentication. An unauthenticated remote attacker with network access via LDAP can take over Oracle Identity Manager Connector.

Written with Claude Haiku 5.5 from the sources below · 2026-10-28

Description from the CNA

Vulnerability in the Oracle Identity Manager Connector product of Oracle Fusion Middleware (component: LDAP Gateway). 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 Identity Manager Connector. Successful attacks of this vulnerability can result in takeover of Oracle Identity Manager Connector. 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).

Why it matters now

Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.00354 29th percentileScored 2026-11-07
Fix No fix listed No fixed version in the sources yet

SSVC decision points

CISA ADP · SSVC 2.0.3

Exploitation
None
Automatable
Yes
Technical impact
Total

The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.

Affected products

VendorProductAffected versionsFixed inStatusSource
OracleOracle Identity Manager Connector12.2.1.4.0; 14.1.2.1.0—No fix listedCNA
  • Oracle Identity Manager Connector VendorOracle Affected 12.2.1.4.0; 14.1.2.1.0 Fixed in — No fix listed CNA

CPE configurations NVD · 2

CPEVersionsRoleVendor
cpe:2.3:a:oracle:identity_manager_connector:12.2.1.4.0:*:*:*:*:*:*:*12.2.1.4.0VulnerableOracle
cpe:2.3:a:oracle:identity_manager_connector:14.1.2.1.0:*:*:*:*:*:*:*14.1.2.1.0VulnerableOracle
  • cpe:2.3:a:oracle:identity_manager_connector:12.2.1.4.0:*:*:*:*:*:*:* Versions 12.2.1.4.0 Vulnerable ·Oracle
  • cpe:2.3:a:oracle:identity_manager_connector:14.1.2.1.0:*:*:*:*:*:*:* Versions 14.1.2.1.0 Vulnerable ·Oracle

Remediation

The sources list no fixed version for Oracle Identity Manager Connector.

Written with Claude Haiku 5.5 from the sources below · 2026-10-28

Fixed in the same release

Records fixed by the same vendor advisory or release, as the CNA lists them.

  • Advisory ·

    Oracle Identity Manager Connector — oracle.com/security-alerts/cpuoct2026.html

    9 records Highest priority Priority MEDIUM 4 MEDIUM, 5 LOW

    Other records, highest priority first

    • TI-2026-77540 Missing authentication in Oracle Identity Manager Connector LDAP GatewayPriority MEDIUM 47
    • TI-2026-77272 Improper access control in Oracle Identity Manager ConnectorPriority MEDIUM 43
    • TI-2026-77271 Improper access control in Oracle Identity Manager ConnectorPriority MEDIUM 40
    Show all 9 records → Advisory →

Timeline

  1. 2026-10-21 Threatist record created from CVE-2026-91491
  2. 2026-10-21 Alias added: GHSA-c2vp-mgg4-vg5v
  3. 2026-10-21 Weakness changed · CISA ADP
  4. 2026-10-21 CISA SSVC decision points changed

References

Advisory 1

  • TI-2017-03645 Deserialization of untrusted data in Apache Log4j CVSS 3.1CRITICAL 9.8
  • TI-2022-07428 SQL injection in JDBC Appender in Apache Log4j V1 CVSS 3.1CRITICAL 9.8
  • TI-2022-07425 Deserialization of untrusted data in JMSSink in Apache Log4j 1.x CVSS 3.1HIGH 8.8
  • TI-2022-07429 A deserialization flaw in the Chainsaw component of Log4j 1 can lead to malicious code execution. CVSS 3.1HIGH 8.8
  • TI-2021-20437 Apache Log4j2 does not always protect from infinite recursion in lookup evaluation CVSS 3.1MEDIUM 5.9
  • TI-2020-15088 FasterXML jackson-databind 2.x before 2.9.10.6 mishandles the interaction between… CVSS 3.1HIGH 8.1
See all 48 →

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences