How severe is CVE-2025-36326?

CVE-2025-36326 has a CVSS 3.x base score of 3.7, rated low severity. It is exploitable over network with high attack complexity, requires no privileges and no user interaction. Impact on confidentiality is low, integrity none, and availability none.

Is CVE-2025-36326 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (12th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2025-36326?

CVE-2025-36326 primarily affects Ibm Cognos Controller. In total, 2 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2025-36326?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.

Does CVE-2025-36326 have an EU (EUVD) identifier?

Yes. CVE-2025-36326 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2025-31354.

When was CVE-2025-36326 published?

CVE-2025-36326 was published on 2025-09-26 and last updated on 2026-06-17.

CVE-2025-36326

CVE-2025-36326 is a low-severity vulnerability in Ibm Cognos Controller with a CVSS 3.x base score of 3.7. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-321.

Key facts

Severity: Low (CVSS 3.x base score 3.7)
EPSS exploit prediction: 0% (12th percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2025-31354
Weakness: CWE-321
Affected product: Ibm Cognos Controller
Published: 2025-09-26
Last modified: 2026-06-17

Description

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.

Frequently asked questions

What is CVE-2025-36326?: 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.
How severe is CVE-2025-36326?: CVE-2025-36326 has a CVSS 3.x base score of 3.7, rated low severity. It is exploitable over network with high attack complexity, requires no privileges and no user interaction. Impact on confidentiality is low, integrity none, and availability none.
Is CVE-2025-36326 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (12th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2025-36326?: CVE-2025-36326 primarily affects Ibm Cognos Controller. In total, 2 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2025-36326?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
Does CVE-2025-36326 have an EU (EUVD) identifier?: Yes. CVE-2025-36326 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2025-31354.
When was CVE-2025-36326 published?: CVE-2025-36326 was published on 2025-09-26 and last updated on 2026-06-17.

References

https://www.ibm.com/support/pages/node/7246015

Affected products (2)

cpe:2.3:a:ibm:cognos_controller:*:*:*:*:*:*:*:*
cpe:2.3:a:ibm:controller:*:*:*:*:*:*:*:*

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