TI-2026-77398 Aliases CVE-2026-91339 GHSA-78wj-vp5p-wgrh

Sensitive data exposure in Oracle E-Business Suite iSupport

LOW 28CWE-200Published 2026-10-20 · Updated 2026-10-28

Key facts

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

Attack profile from CVSS 3.1 · CNA. Fix status from CNA. Impact type from CWE-200.

Summary

Oracle E-Business Suite iSupport versions from 12.2.3 through 12.2.15 are affected, in the Service Requests component. The flaw exposes sensitive information to an unauthorized actor (CWE-200). A remote attacker with low privileges over HTTP can gain unauthorized access to sensitive iSupport data, with a CVSS 3.1 base score of 6.5 for confidentiality impact.

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

Description from the CNA

Vulnerability in the iSupport product of Oracle E-Business Suite (component: Service Requests). Supported versions that are affected are 12.2.3-12.2.15. Easily exploitable vulnerability allows low privileged attacker with network access via HTTP to compromise iSupport. Successful attacks of this vulnerability can result in unauthorized access to critical data or complete access to all iSupport accessible data. CVSS 3.1 Base Score 6.5 (Confidentiality impacts). CVSS Vector: (CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N).

Why it matters now

Exploitation None reported CISA SSVC · not in CISA KEV

EPSS 0.0027 19th 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

Vendor	Product	Affected versions	Fixed in	Status	Source
Oracle	iSupport	12.2.3 – 12.2.15	—	No fix listed	CNA

iSupport VendorOracle Affected 12.2.3 – 12.2.15 Fixed in — No fix listed CNA

CPE names Threatist (inferred) · 1

Inferred from how NVD named this product before; not given by a source.

CPE	Versions	Role	Vendor
cpe:2.3:a:oracle:isupport::::::::	—	—	Oracle

cpe:2.3:a:oracle:isupport:*:*:*:*:*:*:*:* Versions — — ·Oracle

Remediation

The sources list no fixed version for iSupport.

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 · 2026-10-20
Oracle iSupport — oracle.com/security-alerts/cpuoct2026.html
4 records Highest priority Priority LOW 4 LOW
Other records, highest priority first
- TI-2026-77406 Improper access control in Oracle E-Business Suite iSupport Service RequestsPriority LOW 37
- TI-2026-77397 Improper access control in Oracle E-Business Suite iSupportPriority LOW 31
- TI-2026-77317 Information exposure in Oracle E-Business Suite iSupportPriority LOW 29
Show all 4 records → Advisory →

Timeline

2026-10-21 Threatist record created from CVE-2026-91339
2026-10-21 Alias added: GHSA-78wj-vp5p-wgrh
2026-10-22 Priority changed: MEDIUM → LOW
2026-10-28 Weakness changed · CISA ADP
2026-10-28 CISA SSVC decision points changed

References

Advisory 1

Oracle Advisory

TI-2026-34425 Improper privilege management in Oracle Payments KEVCVSS 3.1CRITICAL 9.8
TI-2026-27421 Missing authentication in Oracle PeopleSoft Enterprise PeopleTools KEVCVSS 3.1CRITICAL 9.8
TI-2026-17661 Improper access control in Oracle HTTP Server, Oracle Weblogic Server Proxy Plug-in KEVCVSS 3.1CRITICAL 10.0
TI-2025-38252 Improper authentication in Oracle Concurrent Processing KEVCVSS 3.1CRITICAL 9.8
TI-2025-38151 Missing authentication in Oracle Identity Manager KEVCVSS 3.1CRITICAL 9.8
TI-2022-07142 Code injection in Spring Framework KEVCVSS 3.1CRITICAL 9.8

See all 14200 →

Sources

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