CVE-2026-18531: CWE-330 Use of Insufficiently Random Values in IBM Maximo Application Suite
IBM Maximo Application Suite versions 9.0, 9.1, and 9.2 contain a vulnerability where a weak HMAC session signing secret is used. This weakness could allow a remote attacker to tamper with session data. The vulnerability is identified as CWE-330, indicating the use of insufficiently random values. The CVSS 3.1 base score is 5.3, reflecting a medium severity level. There is no vendor advisory or patch information currently available, and no known exploits in the wild have been reported.
AI Analysis
Technical Summary
CVE-2026-18531 affects IBM Maximo Application Suite versions 9.0, 9.1, and 9.2. The vulnerability arises from the use of a weak HMAC session signing secret, which could enable a remote attacker to tamper with session data. This is classified under CWE-330 (Use of Insufficiently Random Values). The CVSS v3.1 score is 5.3 (medium severity), with attack vector network, low attack complexity, no privileges required, no user interaction, and impact limited to integrity. No official remediation or patch information is currently provided.
Potential Impact
An attacker could remotely tamper with session data due to the weak HMAC signing secret, potentially affecting the integrity of session information. There is no indication of confidentiality or availability impact. No known exploits have been reported in the wild.
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. No specific mitigation steps are provided at this time.
CVE-2026-18531: CWE-330 Use of Insufficiently Random Values in IBM Maximo Application Suite
Description
IBM Maximo Application Suite versions 9.0, 9.1, and 9.2 contain a vulnerability where a weak HMAC session signing secret is used. This weakness could allow a remote attacker to tamper with session data. The vulnerability is identified as CWE-330, indicating the use of insufficiently random values. The CVSS 3.1 base score is 5.3, reflecting a medium severity level. There is no vendor advisory or patch information currently available, and no known exploits in the wild have been reported.
CVSS v3.1
Score 5.3medium
Affected software
IBM
Maximo Application Suite
cpe:2.3:a:ibm:maximo_application_suite:9.2:*:*:*:*:*:*:*cpe:2.3:a:ibm:maximo_application_suite:9.2.0:*:*:*:*:*:*:*cpe:2.3:a:ibm:maximo_application_suite:9.1:*:*:*:*:*:*:*cpe:2.3:a:ibm:maximo_application_suite:9.1.0:*:*:*:*:*:*:*cpe:2.3:a:ibm:maximo_application_suite:9.0:*:*:*:*:*:*:*cpe:2.3:a:ibm:maximo_application_suite:9.0.0:*:*:*:*:*:*:*Weaknesses
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
CVE-2026-18531 affects IBM Maximo Application Suite versions 9.0, 9.1, and 9.2. The vulnerability arises from the use of a weak HMAC session signing secret, which could enable a remote attacker to tamper with session data. This is classified under CWE-330 (Use of Insufficiently Random Values). The CVSS v3.1 score is 5.3 (medium severity), with attack vector network, low attack complexity, no privileges required, no user interaction, and impact limited to integrity. No official remediation or patch information is currently provided.
Potential Impact
An attacker could remotely tamper with session data due to the weak HMAC signing secret, potentially affecting the integrity of session information. There is no indication of confidentiality or availability impact. No known exploits have been reported in the wild.
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. No specific mitigation steps are provided at this time.
Technical Details
- Data Version
- 5.2
- Assigner Short Name
- ibm
- Date Reserved
- 2026-07-31T20:03:37.213Z
- Cvss Version
- 3.1
- State
- PUBLISHED
Threat ID: 6a7360c8bf8831d539228d2d
Added to database: 08/05/2026, 16:11:52 UTC
Last enriched: 08/13/2026, 17:28:25 UTC
Last updated: 09/17/2026, 22:01:33 UTC
Views: 42
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