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TI-2026-77199 Aliases CVE-2026-87359GHSA-qmx5-r6w6-4q9g

Exposure of sensitive information in Oracle Service Bus

Priority MEDIUM 40CWE-200Published · Updated

Key facts

Attack vector
Network
Privileges required
Low
User interaction
None
Attack complexity
Low
Impact type
Information disclosure
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-200.

Summary

Oracle Service Bus in Oracle Fusion Middleware (component: Core) is affected in versions 12.2.1.4.0 and 14.1.2.0.0. The flaw exposes sensitive information to an unauthorized actor (CWE-200). A low privileged attacker with network access via HTTP can compromise Oracle Service Bus, and successful attacks can result in its takeover.

Written with Claude Haiku 5.5 from the sources below · 2026-10-29

Description from the CNA

Vulnerability in the Oracle Service Bus product of Oracle Fusion Middleware (component: Core). Supported versions that are affected are 12.2.1.4.0 and 14.1.2.0.0. Easily exploitable vulnerability allows low privileged attacker with network access via HTTP to compromise Oracle Service Bus. Successful attacks of this vulnerability can result in takeover of Oracle Service Bus. CVSS 3.1 Base Score 8.8 (Confidentiality, Integrity and Availability impacts). CVSS Vector: (CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H).

Why it matters now

Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.00472 41st 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
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 Service Bus12.2.1.4.0; 14.1.2.0.0—No fix listedCNA
  • Oracle Service Bus VendorOracle Affected 12.2.1.4.0; 14.1.2.0.0 Fixed in — No fix listed CNA

CPE configurations NVD · 2

CPEVersionsRoleVendor
cpe:2.3:a:oracle:service_bus:12.2.1.4.0:*:*:*:*:*:*:*12.2.1.4.0VulnerableOracle
cpe:2.3:a:oracle:service_bus:14.1.2.0.0:*:*:*:*:*:*:*14.1.2.0.0VulnerableOracle
  • cpe:2.3:a:oracle:service_bus:12.2.1.4.0:*:*:*:*:*:*:* Versions 12.2.1.4.0 Vulnerable ·Oracle
  • cpe:2.3:a:oracle:service_bus:14.1.2.0.0:*:*:*:*:*:*:* Versions 14.1.2.0.0 Vulnerable ·Oracle

Remediation

The sources list no fixed version for Oracle Service Bus.

Written with Claude Haiku 5.5 from the sources below · 2026-10-29

Fixed in the same release

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

  • Advisory ·

    Oracle Service Bus — oracle.com/security-alerts/cpuoct2026.html

    5 records Highest priority Priority MEDIUM 4 MEDIUM, 1 LOW

    Other records, highest priority first

    • TI-2026-77257 Improper access control in Oracle Service Bus allows takeoverPriority MEDIUM 40
    • TI-2026-77256 Oracle Service Bus flaw lets low-privileged network attacker take over productPriority MEDIUM 40
    • TI-2026-77204 Improper Access Control in Oracle Service Bus Core ComponentPriority MEDIUM 40

Timeline

  1. 2026-10-21 Threatist record created from CVE-2026-87359
  2. 2026-10-21 Alias added: GHSA-qmx5-r6w6-4q9g
  3. 2026-10-22 Priority changed: MEDIUM → LOW
  4. 2026-10-28 Weakness changed · CISA ADP
  5. 2026-10-28 CISA SSVC decision points changed
  6. 2026-10-28 Priority changed: LOW → MEDIUM

References

Advisory 1

  • TI-2019-08480 jQuery before 3.4.0, as used in Drupal, Backdrop CMS, and other products, mishandles… CVSS 3.1MEDIUM 6.1
  • TI-2019-07411 Deserialization of untrusted data in Apache Commons Beanutils CVSS 3.1HIGH 7.3
  • TI-2015-07630 jQuery before 3.0.0 is vulnerable to Cross-site Scripting (XSS) attacks when a… CVSS 3.0MEDIUM 6.1
  • TI-2017-02703 Vulnerability in the Oracle Service Bus component of Oracle Fusion Middleware… CVSS 3.0HIGH 7.3
  • TI-2026-77204 Improper Access Control in Oracle Service Bus Core Component CVSS 3.1HIGH 8.8
  • TI-2024-14022 Missing authorization in Oracle Service Bus CVSS 3.1HIGH 7.5
See all 9 →

Sources