CVE-2026-18531 Weak cryptography in Maximo Application Suite
Remote attackers can tamper with session data in IBM Maximo Application Suite due to a weak HMAC session signing secret, requiring a vendor patch.
- 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-2026-18531?
CVE-2026-18531 is a medium-severity vulnerability in IBM Maximo Application Suite, published on 5 Aug 2026. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
IBM Maximo Application Suite 9.2, 9.1, and 9.0 could allow a remote attacker to tamper with session data due to the use of a weak HMAC session signing secret.
Weakness: CWE-330
Which versions are affected by CVE-2026-18531?
It affects 1 product.
Products include Ibm Maximo Application Suite.
How do I fix CVE-2026-18531?
No fix has been published for CVE-2026-18531 yet. Limit exposure of the affected software until one is available.
Is CVE-2026-18531 being exploited?
There is no known exploitation of CVE-2026-18531 in the wild and no public exploit code.
Other vulnerabilities in IBM Maximo Application Suite
- CVE-2025-36386 There is a vulnerability in the IBM Maximo Manage application in IBM Maximo Application Suite for Cognos Analytics
- CVE-2024-27266 IBM Maximo Application Suite XML external entity injection
- CVE-2025-2898 IBM Maximo Application Suite privilege escalation
- CVE-2024-22328 IBM Maximo Application Suite information disclosure
- CVE-2023-43037 IBM Maximo Application Suite improper access control
Sources
Also known as GHSA-fjm9-fv2r-mxmv.