IBM Cognos Controller 11.0.0-11.1.1 Hardcoded Key Session Cookie Leak
CVE-2025-36326 Published on September 26, 2025
IBM Controller information disclosure
IBM Cognos Controller 11.0.0 through 11.0.1, and IBM Controller 11.1.0 through 11.1.1 could allow an attacker to obtain sensitive information due to the use of hardcoded cryptographic keys for signing session cookies.
Vulnerability Analysis
CVE-2025-36326 is exploitable with network access, and does not require authorization privileges or user interaction. This vulnerability is consided to have a high level of 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
Use of Hard-coded Cryptographic Key
The use of a hard-coded cryptographic key significantly increases the possibility that encrypted data may be recovered.
Products Associated with CVE-2025-36326
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Affected Versions
IBM Cognos Controller:- Version 11.0.0, <= 11.0.1 is affected.
- Version 11.1.0, <= 11.1.1 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.