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TI-2026-17696 Aliases CVE-2026-21999GHSA-8j6w-gmm7-v874

Information disclosure in Oracle Database Server

Priority LOW 24CWE-200Published · Updated

Key facts

Attack vector
Network
Privileges required
None
User interaction
Required
Attack complexity
High
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

Vulnerability in the XML Database component of Oracle Database Server. Supported versions that are affected are 23.4.0-23.26.1. Difficult to exploit vulnerability allows unauthenticated attacker with network access via HTTPS to compromise XML Database. Successful attacks require human interaction from a person other than the attacker. Successful attacks of this vulnerability can result in unauthorized access to critical data or complete access to all XML Database accessible data. CVSS 3.1 Base Score 5.3 (Confidentiality impacts). CVSS Vector: (CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:N/A:N).

Why it matters now

Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.00243 15th 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
OracleOracle Database Server23.4.0 – 23.26.1—No fix listedCNA
  • Oracle Database Server VendorOracle Affected 23.4.0 – 23.26.1 Fixed in — No fix listed CNA

CPE configurations NVD · 1

CPEVersionsRoleVendor
cpe:2.3:a:oracle:xml_database:*:*:*:*:*:*:*:*23.4 – 23.26.1VulnerableOracle
  • cpe:2.3:a:oracle:xml_database:*:*:*:*:*:*:*:* Versions 23.4 – 23.26.1 Vulnerable ·Oracle

Remediation

No fixed version listed by the sources yet.

Fixed in the same release

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

  • Advisory ·

    Oracle Database Server — oracle.com/security-alerts/cpuapr2026.html

    3 records Highest priority Priority LOW 3 LOW

    Other records, highest priority first

    • TI-2026-27381 Improper access control in Oracle Database ServerPriority LOW 39
    • TI-2026-26601 Improper access control in Oracle Database ServerPriority LOW 12
    Show all 3 records → Advisory →

Timeline

  1. 2026-10-02 Threatist record created from CVE-2026-21999
  2. 2026-10-03 Alias added: GHSA-8j6w-gmm7-v874

References

Patch 1

  • TI-2021-02000 Vulnerability in the Oracle XML DB component of Oracle Database Server. CVSS 3.1HIGH 7.2
  • TI-2025-21967 Improper access control in Oracle Database Server CVSS 3.1MEDIUM 5.4
  • TI-2021-02003 Vulnerability in the Oracle XML DB component of Oracle Database Server. CVSS 3.1MEDIUM 4.9
  • TI-2024-14018 Vulnerability in the XML Database component of Oracle Database Server. CVSS 3.1LOW 3.5

Sources

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