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Medium severity · published Aug 5, 2026
CVE-2026-18531
IBM MAS uses axios-1.15.2, protobufjs-8.0.1 and undici-7.26 which is vulnerable to multiple CVEs, and contains vulnerabilities related to missing Secure attribute on mas-redirect-uri cookie and weak HMAC Session Secret
5.3
CVSS
0.4%
EPSS
No
On KEV
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.
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N
Attack vector
Network
Complexity
Low
Privileges
None
User interaction
None
Confidentiality
None
Integrity
Low
Availability
None
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)0.4% · higher than 32% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
MA
Maximo Application Suite · IBM
9.2; 9.1; 9.0 · source: vendor, NVD
Affected product
MA
Maximo Application Suite
IBM
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2026-18531
CVE.org
https://www.cve.org/CVERecord?id=CVE-2026-18531
Vendor Advisory
https://www.ibm.com/support/pages/node/7282362
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