Information exposure in Oracle E-Business Suite iSupport
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 Service Requests versions from 12.2.3 through 12.2.15 are affected. The flaw exposes sensitive information to an unauthorized actor (CWE-200). A remote attacker with low privileges and network access over HTTP can gain unauthorized access to critical 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: 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
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
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 ·
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-2026-77398 Sensitive data exposure in Oracle E-Business Suite iSupportPriority LOW 28
Timeline
- 2026-10-21 Threatist record created from CVE-2026-91257
- 2026-10-21 Alias added: GHSA-mfq9-qf28-gv5j
- 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
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Sources
- CVE-2026-91257 · CVE Program
- CVE-2026-91257 · NVD
- FIRST EPSS
- GHSA-mfq9-qf28-gv5j · GitHub Advisory Database · CC BY 4.0
This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences