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TI-2026-77111 Aliases CVE-2026-83401GHSA-4mxx-326v-h95r

Improper access control in Oracle Identity Manager OIM Legacy UI

Priority LOW 27CWE-284Published · Updated

Key facts

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

Attack profile from CVSS 3.1 · CNA. Fix status from CNA. Impact type from CWE-284.

Summary

Oracle Identity Manager versions 12.2.1.4.0 and 14.1.2.1.0 of Oracle Fusion Middleware are affected through the OIM Legacy UI component. The flaw is classified as improper access control (CWE-284). An unauthenticated remote attacker with network access over HTTP can compromise Oracle Identity Manager if a person other than the attacker takes an action, and the impact may extend to additional products. Successful attacks can allow unauthorized updates, inserts or deletes of some accessible data, as well as unauthorized reads of a subset of that data.

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

Description from the CNA

Vulnerability in the Oracle Identity Manager product of Oracle Fusion Middleware (component: OIM Legacy UI). 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 require human interaction from a person other than the attacker and while the vulnerability is in Oracle Identity Manager, attacks may significantly impact additional products (scope change). Successful attacks of this vulnerability can result in unauthorized update, insert or delete access to some of Oracle Identity Manager accessible data as well as unauthorized read access to a subset of Oracle Identity Manager accessible data. CVSS 3.1 Base Score 6.1 (Confidentiality and Integrity impacts). CVSS Vector: (CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N).

Why it matters now

Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.00231 13th 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
No
Technical impact
Partial

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 Manager12.2.1.4.0; 14.1.2.1.0—No fix listedCNA
  • Oracle Identity Manager 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:12.2.1.4.0:*:*:*:*:*:*:*12.2.1.4.0VulnerableOracle
cpe:2.3:a:oracle:identity_manager:14.1.2.1.0:*:*:*:*:*:*:*14.1.2.1.0VulnerableOracle
  • cpe:2.3:a:oracle:identity_manager:12.2.1.4.0:*:*:*:*:*:*:* Versions 12.2.1.4.0 Vulnerable ·Oracle
  • cpe:2.3:a:oracle:identity_manager:14.1.2.1.0:*:*:*:*:*:*:* Versions 14.1.2.1.0 Vulnerable ·Oracle

Remediation

The sources list no fixed version for Oracle Identity Manager.

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 — oracle.com/security-alerts/cpuoct2026.html

    8 records Highest priority Priority MEDIUM 4 MEDIUM, 4 LOW

    Other records, highest priority first

    • TI-2026-77465 Unauthenticated attackers can take over Oracle Identity ManagerPriority MEDIUM 49
    • TI-2026-77318 Improper authentication in Oracle Identity Manager Legacy UIPriority MEDIUM 40
    • TI-2026-77113 Improper access control in Oracle Identity Manager Legacy UIPriority MEDIUM 40
    Show all 8 records → Advisory →

Timeline

  1. 2026-10-21 Threatist record created from CVE-2026-83401
  2. 2026-10-21 Alias added: GHSA-4mxx-326v-h95r
  3. 2026-10-22 Priority changed: MEDIUM → LOW
  4. 2026-10-27 Weakness changed · CISA ADP
  5. 2026-10-27 CISA SSVC decision points changed

References

Advisory 1

  • TI-2025-38151 Missing authentication in Oracle Identity Manager KEVCVSS 3.1CRITICAL 9.8
  • TI-2019-02270 Improper access control in Oracle WebLogic Server CVSS 3.1CRITICAL 9.8
  • TI-2019-08480 jQuery before 3.4.0, as used in Drupal, Backdrop CMS, and other products, mishandles… CVSS 3.1MEDIUM 6.1
  • TI-2017-11069 Deserialization of untrusted data in FasterXML jackson-databind CVSS 3.1CRITICAL 9.8
  • TI-2017-07502 Vulnerability in the Oracle Identity Manager component of Oracle Fusion Middleware… CVSS 3.0CRITICAL 10.0
  • TI-2026-17691 Missing authentication in Oracle Identity Manager CVSS 3.1CRITICAL 9.8
See all 54 →

Sources

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