CVE-2026-16905: CWE-287 Improper Authentication in IBM Db2 Mirror for i
IBM Db2 Mirror for i versions 7.4, 7.5, and 7.6 contain an improper authentication vulnerability that could allow a remote unauthenticated attacker to obtain sensitive information. The vulnerability does not impact integrity or availability but may lead to information disclosure. The CVSS score is 5.3, indicating a medium severity level. No official patch or remediation guidance is currently provided by the vendor. There are no known exploits in the wild at this time.
AI Analysis
Technical Summary
CVE-2026-16905 is an improper authentication vulnerability (CWE-287) affecting IBM Db2 Mirror for i versions 7.4, 7.5, and 7.6. This flaw allows a remote attacker without prior authentication to access sensitive information due to insufficient authentication controls. The vulnerability impacts confidentiality but does not affect integrity or availability. The CVSS v3.1 base score is 5.3 (AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N). No vendor advisory or patch has been published yet, and no known exploits have been reported.
Potential Impact
The vulnerability allows remote unauthenticated attackers to obtain sensitive information from affected IBM Db2 Mirror for i systems. There is no impact on data integrity or system availability. The confidentiality breach could expose sensitive data to unauthorized parties.
Mitigation Recommendations
Patch status is not yet confirmed — check the vendor advisory for current remediation guidance. Until an official fix is available, restrict network access to the affected Db2 Mirror for i instances to trusted users only and monitor for unusual access patterns. Follow IBM's official communications for updates on patches or mitigations.
CVE-2026-16905: CWE-287 Improper Authentication in IBM Db2 Mirror for i
Description
IBM Db2 Mirror for i versions 7.4, 7.5, and 7.6 contain an improper authentication vulnerability that could allow a remote unauthenticated attacker to obtain sensitive information. The vulnerability does not impact integrity or availability but may lead to information disclosure. The CVSS score is 5.3, indicating a medium severity level. No official patch or remediation guidance is currently provided by the vendor. There are no known exploits in the wild at this time.
CVSS v3.1
Score 5.3medium
Affected software
pkg:maven/com.ibm/db2_mirror_for_icpe:2.3:a:ibm:db2_mirror_for_i:7.4:*:*:*:*:*:*:*cpe:2.3:a:ibm:db2_mirror_for_i:7.4.0:*:*:*:*:*:*:*cpe:2.3:a:ibm:db2_mirror_for_i:7.5:*:*:*:*:*:*:*cpe:2.3:a:ibm:db2_mirror_for_i:7.5.0:*:*:*:*:*:*:*cpe:2.3:a:ibm:db2_mirror_for_i:7.6:*:*:*:*:*:*:*cpe:2.3:a:ibm:db2_mirror_for_i:7.6.0:*:*:*:*:*:*:*Run on your own infrastructure? Check whether these packages are installed with threat-finder — our free open-source scanner.
Weaknesses
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
CVE-2026-16905 is an improper authentication vulnerability (CWE-287) affecting IBM Db2 Mirror for i versions 7.4, 7.5, and 7.6. This flaw allows a remote attacker without prior authentication to access sensitive information due to insufficient authentication controls. The vulnerability impacts confidentiality but does not affect integrity or availability. The CVSS v3.1 base score is 5.3 (AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N). No vendor advisory or patch has been published yet, and no known exploits have been reported.
Potential Impact
The vulnerability allows remote unauthenticated attackers to obtain sensitive information from affected IBM Db2 Mirror for i systems. There is no impact on data integrity or system availability. The confidentiality breach could expose sensitive data to unauthorized parties.
Mitigation Recommendations
Patch status is not yet confirmed — check the vendor advisory for current remediation guidance. Until an official fix is available, restrict network access to the affected Db2 Mirror for i instances to trusted users only and monitor for unusual access patterns. Follow IBM's official communications for updates on patches or mitigations.
Technical Details
- Data Version
- 5.2
- Assigner Short Name
- ibm
- Date Reserved
- 2026-07-24T06:08:29.919Z
- Cvss Version
- 3.1
- State
- PUBLISHED
- Remediation Level
- null
Threat ID: 6a7f6f7abf8831d5399bae2c
Added to database: 08/14/2026, 19:41:46 UTC
Last enriched: 08/14/2026, 19:58:08 UTC
Last updated: 08/14/2026, 21:15:14 UTC
Views: 5
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