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TI-2026-77607 Aliases CVE-2026-91609GHSA-76rh-9j3h-2cpc

Information exposure in Oracle REST Data Services Graph QL component

Priority LOW 35CWE-200Published · Updated

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 REST Data Services versions 24.2.0 through 26.2.1 are affected. The Graph QL component exposes sensitive information to an unauthorized actor (CWE-200). A low privileged attacker with network access via HTTP can gain unauthorized access to critical data or to all data accessible to Oracle REST Data Services.

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

Description from the CNA

Vulnerability in Oracle REST Data Services (component: Graph QL). Supported versions that are affected are 24.2.0-26.2.1. Easily exploitable vulnerability allows low privileged attacker with network access via HTTP to compromise Oracle REST Data Services. Successful attacks of this vulnerability can result in unauthorized access to critical data or complete access to all Oracle REST Data Services 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 0.00371 31st 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
Yes
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 REST Data Services24.2.0 – 26.2.1—No fix listedCNA
  • Oracle REST Data Services VendorOracle Affected 24.2.0 – 26.2.1 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:rest_data_services:*:*:*:*:*:*:*:*——Oracle
  • cpe:2.3:a:oracle:rest_data_services:*:*:*:*:*:*:*:* Versions — — ·Oracle

Remediation

The sources list no fixed version for Oracle REST Data Services.

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 REST Data Services — oracle.com/security-alerts/cpuoct2026.html

    32 records Highest priority Priority MEDIUM 1 MEDIUM, 31 LOW

    Other records, highest priority first

    • TI-2026-77608 Improper access control in Oracle REST Data ServicesPriority MEDIUM 40
    • TI-2026-77809 Vulnerability in Oracle REST Data Services Core component allows data accessPriority LOW 34
    • TI-2026-77694 Improper access control in Oracle REST Data Services exposes dataPriority LOW 30

Timeline

  1. 2026-10-21 Threatist record created from CVE-2026-91609
  2. 2026-10-21 Alias added: GHSA-76rh-9j3h-2cpc
  3. 2026-10-22 Priority changed: MEDIUM → LOW
  4. 2026-10-26 Weakness changed · CISA ADP
  5. 2026-10-26 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