IBM Maximo Suite 9.1/9.0/8.11/8.10: Session Cookie Secure Flag Missing
CVE-2026-4820 Published on April 1, 2026
IBM Maximo Application Suite was vulnerable to because Cookie ltpatoken2_<workspace_name> was not set with secure flag
IBM Maximo Application Suite 9.1, 9.0, 8.11, and 8.10 does not set the secure attribute on authorization tokens or session cookies. Attackers may be able to get the cookie values by sending a http:// link to a user or by planting this link in a site the user goes to. The cookie will be sent to the insecure link and the attacker can then obtain the cookie value by snooping the traffic.
Vulnerability Analysis
CVE-2026-4820 is exploitable with network access, requires user interaction. This vulnerability is considered to have a low attack complexity. The potential impact of an exploit of this vulnerability is considered to have a small impact on confidentiality, a small impact on integrity and availability.
Weakness Type
Sensitive Cookie in HTTPS Session Without 'Secure' Attribute
The Secure attribute for sensitive cookies in HTTPS sessions is not set, which could cause the user agent to send those cookies in plaintext over an HTTP session.
Products Associated with CVE-2026-4820
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Affected Versions
IBM Maximo Application Suite:- Version 9.1.0, <= 10.6.5.0 is affected.
- Version 9.0 is affected.
- Version 8.11.0 is affected.
- Version 8.10 is affected.
Exploit Probability
EPSS (Exploit Prediction Scoring System) scores estimate the probability that a vulnerability will be exploited in the wild within the next 30 days. The percentile shows you how this score compares to all other vulnerabilities.