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CVE-2026-16879: CWE-285 Improper Authorization in IBM Db2 Mirror for i

0
High
Published: 08/14/2026 (08/14/2026, 19:18:18 UTC)
Source: CVE Database V5
Vendor/Project: IBM
Product: Db2 Mirror for i

Description

IBM Db2 Mirror for i 7.4, 7.5, and 7.6 could allow a remote authenticated attacker to bypass security restrictions due to improper authorization using user-supplied input.

CVSS v3.1

Score 8.8high

Attack Vector
Network
Attack Complexity
Low
Privileges Required
Low
User Interaction
None
Scope
Unchanged
Confidentiality
High
Integrity
High
Availability
High
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Affected software

IBM

Db2 Mirror for i

Affected versions
=7.4=7.5=7.6
com.ibm/db2_mirror_for_i
pkg:maven/com.ibm/db2_mirror_for_i
Affected versions
=7.4=7.5=7.6
CPE configurations (6)
cpe: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:*:*:*:*:*:*:*

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AI-Powered Analysis

Machine-generated threat intelligence

AILast updated: 08/22/2026, 13:16:55 UTC

Technical Analysis

CVE-2026-16879 is an improper authorization vulnerability 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 exploiting improper authorization checks involving user-supplied input. The vulnerability has a CVSS v3.1 base score of 8.8, indicating high impact on confidentiality, integrity, and availability. No vendor advisory or patch information is currently available, and no known exploits are reported in the wild.

Potential Impact

Successful exploitation could lead to unauthorized access or actions within the affected IBM Db2 Mirror for i environments, potentially compromising confidentiality, integrity, and availability of data and services. The attacker must be authenticated remotely, but no user interaction is required beyond that. The high CVSS score reflects the significant risk posed by this vulnerability.

Mitigation Recommendations

Patch status is not yet confirmed — check the vendor advisory for current remediation guidance. Until an official fix is released, restrict access to the affected versions to trusted users only and monitor for unusual activity. Follow IBM's official channels for updates on patches or workarounds.

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Technical Details

Data Version
5.2
Assigner Short Name
ibm
Date Reserved
2026-07-24T04:46:23.943Z
Cvss Version
3.1
State
PUBLISHED

Threat ID: 6a7f6f7abf8831d5399bae29

Added to database: 08/14/2026, 19:41:46 UTC

Last enriched: 08/22/2026, 13:16:55 UTC

Last updated: 09/28/2026, 13:47:42 UTC

Views: 42

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