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TI-2026-77397 Aliases CVE-2026-91338GHSA-675q-56g6-465c

Improper access control in Oracle E-Business Suite iSupport

Priority LOW 31CWE-284Published · Updated

Key facts

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

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

Summary

Oracle iSupport in Oracle E-Business Suite versions from 12.2.3 through 12.2.15 is affected. Improper access control (CWE-284) lets a low privileged attacker with network access over HTTP create, delete or modify critical data and read a subset of iSupport data.

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: Internal operations). 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 creation, deletion or modification access to critical data or all iSupport accessible data as well as unauthorized read access to a subset of iSupport accessible data. CVSS 3.1 Base Score 7.1 (Confidentiality and Integrity impacts). CVSS Vector: (CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:H/A:N).

Why it matters now

Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.00197 9th 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
OracleiSupport12.2.3 – 12.2.15—No fix listedCNA
  • 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.

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

Remediation

The sources list no fixed version for Oracle 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 ·

    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-2026-77317 Information exposure in Oracle E-Business Suite iSupportPriority LOW 29
    • TI-2026-77398 Sensitive data exposure in Oracle E-Business Suite iSupportPriority LOW 28
    Show all 4 records → Advisory →

Timeline

  1. 2026-10-21 Threatist record created from CVE-2026-91338
  2. 2026-10-21 Alias added: GHSA-675q-56g6-465c
  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

References

Advisory 1

  • 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