CVE-2026-78673 Maximo AI Service Improper Input Validation
A remote attacker can cause a denial of service in IBM Maximo AI Service due to improper input validation.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2026-78673?
CVE-2026-78673 is a high-severity denial of service vulnerability in IBM Maximo AI Service, published on 12 Oct 2026. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official 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.
Weakness: CWE-20
Which versions are affected by CVE-2026-78673?
How do I fix CVE-2026-78673?
No fix has been published for CVE-2026-78673 yet. Limit exposure of the affected software until one is available.
Upgrade, then put limits on request size, rate and nesting depth so one client cannot exhaust the service. More about Denial of service.
Is CVE-2026-78673 being exploited?
There is no known exploitation of CVE-2026-78673 in the wild and no public exploit code.
Sources
Also known as GHSA-25fm-f8v8-9pqg.