CVE-2026-17186: CWE-78 Improper Neutralization of Special Elements used in an OS Command ('OS Command Injection') in IBM Db2 Mirror for i
IBM Db2 Mirror for i versions 7.4, 7.5, and 7.6 contain a critical vulnerability (CVE-2026-17186) that allows remote attackers to execute arbitrary CL commands due to improper neutralization of special elements in commands. This OS command injection flaw can lead to significant impact including loss of availability and integrity. The vulnerability has a CVSS score of 9.9, indicating critical severity. 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-2026-17186 is an OS command injection vulnerability in IBM Db2 Mirror for i versions 7.4, 7.5, and 7.6. The flaw arises from improper neutralization of special elements in commands, enabling remote attackers to execute arbitrary CL commands on the affected system. This can compromise system integrity and availability. The vulnerability is rated critical with a CVSS 3.1 base score of 9.9 (AV:N/AC:L/PR:N/UI:N/S:C/C:L/I:L/A:H). No official remediation or patch has been announced by IBM as of the publication date.
Potential Impact
Successful exploitation allows remote attackers to execute arbitrary CL commands, potentially leading to loss of system availability, integrity, and partial confidentiality. The vulnerability affects core database mirroring functionality, which could disrupt critical operations.
Mitigation Recommendations
Patch status is not yet confirmed — check the IBM vendor advisory for current remediation guidance. Until an official fix is released, restrict network access to the affected Db2 Mirror for i instances and monitor for suspicious activity related to command execution. Follow IBM's security advisories for updates.
CVE-2026-17186: CWE-78 Improper Neutralization of Special Elements used in an OS Command ('OS Command Injection') in IBM Db2 Mirror for i
Description
IBM Db2 Mirror for i versions 7.4, 7.5, and 7.6 contain a critical vulnerability (CVE-2026-17186) that allows remote attackers to execute arbitrary CL commands due to improper neutralization of special elements in commands. This OS command injection flaw can lead to significant impact including loss of availability and integrity. The vulnerability has a CVSS score of 9.9, indicating critical severity. 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 9.9critical
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-2026-17186 is an OS command injection vulnerability in IBM Db2 Mirror for i versions 7.4, 7.5, and 7.6. The flaw arises from improper neutralization of special elements in commands, enabling remote attackers to execute arbitrary CL commands on the affected system. This can compromise system integrity and availability. The vulnerability is rated critical with a CVSS 3.1 base score of 9.9 (AV:N/AC:L/PR:N/UI:N/S:C/C:L/I:L/A:H). No official remediation or patch has been announced by IBM as of the publication date.
Potential Impact
Successful exploitation allows remote attackers to execute arbitrary CL commands, potentially leading to loss of system availability, integrity, and partial confidentiality. The vulnerability affects core database mirroring functionality, which could disrupt critical operations.
Mitigation Recommendations
Patch status is not yet confirmed — check the IBM vendor advisory for current remediation guidance. Until an official fix is released, restrict network access to the affected Db2 Mirror for i instances and monitor for suspicious activity related to command execution. Follow IBM's security advisories for updates.
Technical Details
- Data Version
- 5.2
- Assigner Short Name
- ibm
- Date Reserved
- 2026-07-24T18:44:52.306Z
- Cvss Version
- 3.1
- State
- PUBLISHED
- Remediation Level
- null
Threat ID: 6a7f6f7cbf8831d5399baedd
Added to database: 08/14/2026, 19:41:48 UTC
Last enriched: 08/14/2026, 19:56:23 UTC
Last updated: 08/14/2026, 20:43:28 UTC
Views: 5
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