CVE-2026-17101: CWE-287 Improper Authentication
CVE-2026-17101 is a high-severity vulnerability in IBM i versions 7.3, 7.4, 7.5, and 7.6 involving improper authentication. This flaw could allow a remote attacker to execute arbitrary code or access sensitive information. The vulnerability has a CVSS score of 8.3, indicating significant impact on confidentiality, integrity, and availability. No official patch or remediation guidance is currently available from IBM. There are no known exploits in the wild at this time.
AI Analysis
Technical Summary
IBM i versions 7.3 through 7.6 contain an improper authentication vulnerability (CWE-287) that could be exploited remotely to execute arbitrary code or obtain sensitive data. The CVSS 3.1 vector indicates the attack requires network access with high attack complexity, no privileges, and user interaction, but results in a complete system compromise (confidentiality, integrity, and availability impacts). The vulnerability is publicly disclosed but lacks an official fix or vendor advisory specifying remediation steps.
Potential Impact
Successful exploitation could lead to remote code execution and unauthorized disclosure of sensitive information, severely compromising system confidentiality, integrity, and availability. This poses a high risk to affected IBM i systems.
Mitigation Recommendations
Patch status is not yet confirmed — check the IBM vendor advisory for current remediation guidance. Until an official fix is released, monitor IBM communications for updates and consider applying any recommended temporary mitigations once available.
CVE-2026-17101: CWE-287 Improper Authentication
Description
CVE-2026-17101 is a high-severity vulnerability in IBM i versions 7.3, 7.4, 7.5, and 7.6 involving improper authentication. This flaw could allow a remote attacker to execute arbitrary code or access sensitive information. The vulnerability has a CVSS score of 8.3, indicating significant impact on confidentiality, integrity, and availability. No official patch or remediation guidance is currently available from IBM. There are no known exploits in the wild at this time.
CVSS v3.1
Score 8.3high
Affected software
cpe:2.3:a:ibm:i:7.6:*:*:*:*:*:*:*cpe:2.3:a:ibm:i:7.6.0:*:*:*:*:*:*:*cpe:2.3:a:ibm:i:7.5:*:*:*:*:*:*:*cpe:2.3:a:ibm:i:7.5.0:*:*:*:*:*:*:*cpe:2.3:a:ibm:i:7.4:*:*:*:*:*:*:*cpe:2.3:a:ibm:i:7.4.0:*:*:*:*:*:*:*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
IBM i versions 7.3 through 7.6 contain an improper authentication vulnerability (CWE-287) that could be exploited remotely to execute arbitrary code or obtain sensitive data. The CVSS 3.1 vector indicates the attack requires network access with high attack complexity, no privileges, and user interaction, but results in a complete system compromise (confidentiality, integrity, and availability impacts). The vulnerability is publicly disclosed but lacks an official fix or vendor advisory specifying remediation steps.
Potential Impact
Successful exploitation could lead to remote code execution and unauthorized disclosure of sensitive information, severely compromising system confidentiality, integrity, and availability. This poses a high risk to affected IBM i systems.
Mitigation Recommendations
Patch status is not yet confirmed — check the IBM vendor advisory for current remediation guidance. Until an official fix is released, monitor IBM communications for updates and consider applying any recommended temporary mitigations once available.
Technical Details
- Data Version
- 5.2
- Assigner Short Name
- ibm
- Date Reserved
- 2026-07-24T15:13:27.990Z
- Cvss Version
- 3.1
- State
- PUBLISHED
- Remediation Level
- null
Threat ID: 6a7e2c18bf8831d539c6f4ca
Added to database: 08/13/2026, 20:42:00 UTC
Last enriched: 08/13/2026, 20:56:17 UTC
Last updated: 08/13/2026, 22:08:47 UTC
Views: 4
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