High severity · published Oct 12, 2026
CVE-2026-78673
Maximo AI Service Improper Input Validation
7.5
CVSS
0.3%
EPSS
No
On KEV
Description
IBM Maximo AI Service 9.1.0, and 9.2.0 could allow a remote attacker to cause a denial of service due to improper input validation.
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Attack vector
Network
Complexity
Low
Privileges
None
User interaction
None
Confidentiality
None
Integrity
None
Availability
High
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)0.3% · higher than 24% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
MA
Maximo AI Service · IBM
9.1.0; 9.2.0 · source: vendor
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2026-78673
CVE.org
https://www.cve.org/CVERecord?id=CVE-2026-78673
vendor-advisory
https://www.ibm.com/support/pages/node/7290473
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