CVE-2026-16879: CWE-285 Improper Authorization in IBM Db2 Mirror for i
IBM Db2 Mirror for i versions 7.4, 7.5, and 7.6 contain an improper authorization vulnerability that could allow a remote authenticated attacker to bypass security restrictions using user-supplied input. This vulnerability has a high severity with a CVSS score of 8.8, indicating a significant risk to confidentiality, integrity, and availability. No official patch or remediation guidance is currently provided by the vendor.
AI Analysis
Technical Summary
CVE-2026-16879 is an improper authorization vulnerability (CWE-285) in IBM Db2 Mirror for i versions 7.4, 7.5, and 7.6. It allows a remote attacker with valid authentication to bypass security restrictions by manipulating user-supplied input. The vulnerability impacts confidentiality, integrity, and availability with a CVSS 3.1 base score of 8.8 (AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H). No vendor advisory or patch information is currently available to confirm remediation status.
Potential Impact
A remote authenticated attacker could bypass security controls, potentially leading to full compromise of the affected system's confidentiality, integrity, and availability. This could allow unauthorized access to sensitive data, modification of data, or disruption of service.
Mitigation Recommendations
Patch status is not yet confirmed — check the vendor advisory for current remediation guidance. Until an official fix is available, restrict access to trusted users only and monitor for suspicious activity related to Db2 Mirror for i.
CVE-2026-16879: CWE-285 Improper Authorization in IBM Db2 Mirror for i
Description
IBM Db2 Mirror for i versions 7.4, 7.5, and 7.6 contain an improper authorization vulnerability that could allow a remote authenticated attacker to bypass security restrictions using user-supplied input. This vulnerability has a high severity with a CVSS score of 8.8, indicating a significant risk to confidentiality, integrity, and availability. No official patch or remediation guidance is currently provided by the vendor.
CVSS v3.1
Score 8.8high
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-2026-16879 is an improper authorization vulnerability (CWE-285) in IBM Db2 Mirror for i versions 7.4, 7.5, and 7.6. It allows a remote attacker with valid authentication to bypass security restrictions by manipulating user-supplied input. The vulnerability impacts confidentiality, integrity, and availability with a CVSS 3.1 base score of 8.8 (AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H). No vendor advisory or patch information is currently available to confirm remediation status.
Potential Impact
A remote authenticated attacker could bypass security controls, potentially leading to full compromise of the affected system's confidentiality, integrity, and availability. This could allow unauthorized access to sensitive data, modification of data, or disruption of service.
Mitigation Recommendations
Patch status is not yet confirmed — check the vendor advisory for current remediation guidance. Until an official fix is available, restrict access to trusted users only and monitor for suspicious activity related to Db2 Mirror for i.
Technical Details
- Data Version
- 5.2
- Assigner Short Name
- ibm
- Date Reserved
- 2026-07-24T04:46:23.943Z
- Cvss Version
- 3.1
- State
- PUBLISHED
- Remediation Level
- null
Threat ID: 6a7f6f7abf8831d5399bae29
Added to database: 08/14/2026, 19:41:46 UTC
Last enriched: 08/14/2026, 19:58:14 UTC
Last updated: 08/14/2026, 21:17:30 UTC
Views: 4
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