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No exploitation reportedFix available

CVE-2026-3161

IBM Cloud Pak System Risky Cryptographic Algorithm

No exploitation reported by the sources we read.

  • Published2026-10-19
  • Fixed in2.3.6.2
  • WeaknessCWE-327

Am I affected?

With a domain, we read the version its public headers and pages expose. A distribution build can carry the fix under an older number.

Description

IBM Cloud Pak System 2.3.6.0, and 2.3.6.1 uses weaker than expected cryptographic algorithms that could allow an attacker to decrypt highly sensitive information.

Timeline

dates in UTC
  1. 2026-10-1918:17CVE publishedNVD

Versions per branch

NVD
Ibm cloud pak system
BranchAffectedFixed in
2.3≥ 2.3.6.0, < 2.3.6.22.3.6.2

as publishedRanges as NVD and OSV publish them; a distribution’s build can be fixed under an older number.

Products declared by the CNA1 product

As ibm, the CNA that assigned this CVE, declared them in the CVE record; versions as written.

  • IBM Cloud Pak System
    Affected
    • = 2.3.6.0no fix stated
    • = 2.3.6.1no fix stated

Source: the CNA record (CVE Program), © The MITRE Corporation,CVE Terms of UseCVE recordupdated 2026-10-19

Fix

  1. Update Ibm cloud pak system to 2.3.6.2

Advisories and patches

Detection

Nuclei template
none so far
ProjectDiscovery
Exploit-DB
no entry
Exploit-DB
Proof of concept
Metasploit modules
none listed
Metasploit Framework

Sources

Identifiers

Technical details

CVSS v3 Vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
Published
2026-10-19
Last Modified
2026-11-06
NVD status
Analyzed
GitHub Advisory
GHSA-2pff-h2q8-4jc4

Frequently asked questions

What is CVE-2026-3161?

IBM Cloud Pak System 2.3.6.0, and 2.3.6.1 uses weaker than expected cryptographic algorithms that could allow an attacker to decrypt highly sensitive information.

Is CVE-2026-3161 actively exploited?

Active exploitation of CVE-2026-3161 has not been confirmed. Its EPSS score was 0.2% on 2026-11-05, the estimated probability of exploitation in the next 30 days.

What is the CVSS score for CVE-2026-3161?

CVE-2026-3161 has a CVSS v3 base score of 7.5 (HIGH severity), with vector string CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N.

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Sources for this record