CVE-2026-17099: CWE-287 Improper Authentication
CVE-2026-17099 is a high-severity vulnerability in IBM i versions 7.3, 7.4, 7.5, and 7.6 that involves improper authentication. This flaw could allow a remote attacker to obtain sensitive information without proper authorization. The vulnerability affects multiple IBM i releases and has a CVSS score of 7.3, indicating significant impact on confidentiality, integrity, and availability. 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
IBM i versions 7.3 through 7.6 contain an improper authentication vulnerability (CWE-287) that could permit a remote attacker to access sensitive information. The CVSS 3.1 vector (AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L) indicates that the attack can be performed remotely with low complexity, no privileges, and no user interaction, impacting confidentiality, integrity, and availability to a limited extent. The vulnerability is published and assigned CVE-2026-17099 but lacks an official remediation level or patch information as of now.
Potential Impact
A remote attacker could exploit this vulnerability to bypass authentication controls and gain unauthorized access to sensitive information on affected IBM i systems. The impact includes partial loss of confidentiality, integrity, and availability, potentially leading to information disclosure and system disruption.
Mitigation Recommendations
Patch status is not yet confirmed — check the vendor advisory for current remediation guidance. Until an official fix is available, monitor IBM's security advisories for updates and consider implementing compensating controls if possible.
CVE-2026-17099: CWE-287 Improper Authentication
Description
CVE-2026-17099 is a high-severity vulnerability in IBM i versions 7.3, 7.4, 7.5, and 7.6 that involves improper authentication. This flaw could allow a remote attacker to obtain sensitive information without proper authorization. The vulnerability affects multiple IBM i releases and has a CVSS score of 7.3, indicating significant impact on confidentiality, integrity, and availability. 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 7.3high
Affected software
IBM
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:*:*:*:*:*:*:*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 permit a remote attacker to access sensitive information. The CVSS 3.1 vector (AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L) indicates that the attack can be performed remotely with low complexity, no privileges, and no user interaction, impacting confidentiality, integrity, and availability to a limited extent. The vulnerability is published and assigned CVE-2026-17099 but lacks an official remediation level or patch information as of now.
Potential Impact
A remote attacker could exploit this vulnerability to bypass authentication controls and gain unauthorized access to sensitive information on affected IBM i systems. The impact includes partial loss of confidentiality, integrity, and availability, potentially leading to information disclosure and system disruption.
Mitigation Recommendations
Patch status is not yet confirmed — check the vendor advisory for current remediation guidance. Until an official fix is available, monitor IBM's security advisories for updates and consider implementing compensating controls if possible.
Technical Details
- Data Version
- 5.2
- Assigner Short Name
- ibm
- Date Reserved
- 2026-07-24T15:08:37.636Z
- Cvss Version
- 3.1
- State
- PUBLISHED
Threat ID: 6a7e2c18bf8831d539c6f4c7
Added to database: 08/13/2026, 20:42:00 UTC
Last enriched: 08/21/2026, 13:30:08 UTC
Last updated: 09/28/2026, 13:47:42 UTC
Views: 54
Community Reviews
0 reviewsCrowdsource mitigation strategies, share intel context, and vote on the most helpful responses. Sign in to add your voice and help keep defenders ahead.
Want to contribute mitigation steps or threat intel context? Sign in or create an account to join the community discussion.
Actions
Updates to AI analysis require Pro Console access. Upgrade inside Console → Billing.
External Links
Need more coverage?
Upgrade to Pro Console for AI refresh and higher limits.
For incident response and remediation, OffSeq services can help resolve threats faster.
Latest Threats
Check if your credentials are on the dark web
Instant breach scanning across billions of leaked records. Free tier available.