CVE-2026-3161 (GCVE-0-2026-3161)

Vulnerability from cvelistv5 – Published: 2026-10-19 17:39 – Updated: 2026-10-19 17:39
VLAI
Title
IBM Cloud Pak System Risky Cryptographic Algorithm
Summary
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.
CWE
  • CWE-327 - Use of a Broken or Risky Cryptographic Algorithm
Assigner
ibm CNA under the mitre root
CNA scorecard B 88/100 over 1278 records in the last 180 days details
References
URL Tags
https://www.ibm.com/support/pages/node/7290183 vendor-advisorypatch
Impacted products
Vendor Product Version CPE status
IBM Cloud Pak System Affected: 2.3.6.0
Affected: 2.3.6.1
    cpe:2.3:a:ibm:cloud_pak_system:2.3.6.0:*:*:*:*:*:*:*
    cpe:2.3:a:ibm:cloud_pak_system:2.3.6.1:*:*:*:*:*:*:*
Create a notification for this product.
Show details on NVD website

{
  "containers": {
    "cna": {
      "affected": [
        {
          "cpes": [
            "cpe:2.3:a:ibm:cloud_pak_system:2.3.6.0:*:*:*:*:*:*:*",
            "cpe:2.3:a:ibm:cloud_pak_system:2.3.6.1:*:*:*:*:*:*:*"
          ],
          "product": "Cloud Pak System",
          "vendor": "IBM",
          "versions": [
            {
              "status": "affected",
              "version": "2.3.6.0"
            },
            {
              "status": "affected",
              "version": "2.3.6.1"
            }
          ]
        }
      ],
      "descriptions": [
        {
          "lang": "en",
          "supportingMedia": [
            {
              "base64": false,
              "type": "text/html",
              "value": "\u003cp\u003eIBM 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.\u003c/p\u003e"
            }
          ],
          "value": "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."
        }
      ],
      "metrics": [
        {
          "cvssV3_1": {
            "attackComplexity": "HIGH",
            "attackVector": "NETWORK",
            "availabilityImpact": "NONE",
            "baseScore": 5.9,
            "baseSeverity": "MEDIUM",
            "confidentialityImpact": "HIGH",
            "integrityImpact": "NONE",
            "privilegesRequired": "NONE",
            "scope": "UNCHANGED",
            "userInteraction": "NONE",
            "vectorString": "CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N",
            "version": "3.1"
          },
          "format": "CVSS",
          "scenarios": [
            {
              "lang": "en",
              "value": "GENERAL"
            }
          ]
        }
      ],
      "problemTypes": [
        {
          "descriptions": [
            {
              "cweId": "CWE-327",
              "description": "CWE-327 Use of a Broken or Risky Cryptographic Algorithm",
              "lang": "en",
              "type": "CWE"
            }
          ]
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2026-10-19T17:39:57.551Z",
        "orgId": "9a959283-ebb5-44b6-b705-dcc2bbced522",
        "shortName": "ibm"
      },
      "references": [
        {
          "tags": [
            "vendor-advisory",
            "patch"
          ],
          "url": "https://www.ibm.com/support/pages/node/7290183"
        }
      ],
      "solutions": [
        {
          "lang": "en",
          "supportingMedia": [
            {
              "base64": false,
              "type": "text/html",
              "value": "\u003cdiv\u003e\u003cp\u003e\u003cstrong\u003eIBM strongly recommends addressing the vulnerability now by \u003ca href=\"https://www.ibm.com/support/pages/node/7284365\" rel=\"nofollow\"\u003eupgrading to 2.3.6.2\u003c/a\u003e.\u003c/strong\u003e\u003c/p\u003e\u003cp\u003eThis Security bulletin applies to IBM Cloud Pak System, IBM Cloud Pak System Software and\u00a0 IBM Cloud Pak System Software Suite.\u003c/p\u003e\u003cp\u003eInformation on upgrading here \u003ca href=\"https://www.ibm.com/support/pages/node/7284365\" rel=\"nofollow\"\u003ehttps://www.ibm.com/support/pages/node/7284365\u003c/a\u003e\u003c/p\u003e\u003cdiv\u003e\u003c/div\u003e\u003c/div\u003e\u003cp\u003e\u003c/p\u003e\u003cp\u003eFor unsupported versions the recommendation is\u00a0 to upgrade to supported version of the product.\u003c/p\u003e\u003cp\u003e\u003c/p\u003e"
            }
          ],
          "value": "IBM strongly recommends addressing the vulnerability now by  https://www.ibm.com/support/pages/node/7284365 \n\n\n\n\n\n\n\n\n\n\n\nFor unsupported versions the recommendation is\u00a0 to upgrade to supported version of the product."
        }
      ],
      "title": "IBM Cloud Pak System Risky Cryptographic Algorithm"
    }
  },
  "cveMetadata": {
    "assignerOrgId": "9a959283-ebb5-44b6-b705-dcc2bbced522",
    "assignerShortName": "ibm",
    "cveId": "CVE-2026-3161",
    "datePublished": "2026-10-19T17:39:57.551Z",
    "dateReserved": "2026-02-24T21:09:16.552Z",
    "dateUpdated": "2026-10-19T17:39:57.551Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.2",
  "vulnerability-lookup:meta": {
    "epss": {
      "cve": "CVE-2026-3161",
      "date": "2026-10-20",
      "epss": "0.00209",
      "percentile": "0.10397"
    },
    "nvd": {
      "cve": {
        "affected": [
          {
            "affectedData": [
              {
                "cpes": [
                  "cpe:2.3:a:ibm:cloud_pak_system:2.3.6.0:*:*:*:*:*:*:*",
                  "cpe:2.3:a:ibm:cloud_pak_system:2.3.6.1:*:*:*:*:*:*:*"
                ],
                "product": "Cloud Pak System",
                "vendor": "IBM",
                "versions": [
                  {
                    "status": "affected",
                    "version": "2.3.6.0"
                  },
                  {
                    "status": "affected",
                    "version": "2.3.6.1"
                  }
                ]
              }
            ],
            "source": "psirt@us.ibm.com"
          }
        ],
        "cveTags": [],
        "descriptions": [
          {
            "lang": "en",
            "value": "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."
          }
        ],
        "id": "CVE-2026-3161",
        "lastModified": "2026-10-19T20:55:02.217",
        "metrics": {
          "cvssMetricV31": [
            {
              "cvssData": {
                "attackComplexity": "HIGH",
                "attackVector": "NETWORK",
                "availabilityImpact": "NONE",
                "baseScore": 5.9,
                "baseSeverity": "MEDIUM",
                "confidentialityImpact": "HIGH",
                "integrityImpact": "NONE",
                "privilegesRequired": "NONE",
                "scope": "UNCHANGED",
                "userInteraction": "NONE",
                "vectorString": "CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N",
                "version": "3.1"
              },
              "exploitabilityScore": 2.2,
              "impactScore": 3.6,
              "source": "psirt@us.ibm.com",
              "type": "Primary"
            }
          ]
        },
        "published": "2026-10-19T18:17:07.140",
        "references": [
          {
            "source": "psirt@us.ibm.com",
            "url": "https://www.ibm.com/support/pages/node/7290183"
          }
        ],
        "sourceIdentifier": "psirt@us.ibm.com",
        "vulnStatus": "Awaiting Analysis",
        "weaknesses": [
          {
            "description": [
              {
                "lang": "en",
                "value": "CWE-327"
              }
            ],
            "source": "psirt@us.ibm.com",
            "type": "Primary"
          }
        ]
      }
    }
  }
}



Log in or create an account to share your comment.




Tags
Taxonomy of the tags.


Loading…

Loading…

Loading…

Drag nodes to arrange them. Double-click a related vulnerability to open it, or a source to visit its link. The Physics button on the left tunes the layout and the simulation; the legend at the bottom left hides or shows nodes by kind and by sighting type.

Forecast uses a logistic model when the trend is rising, or an exponential decay model when the trend is falling. Fitted via linearized least squares.

Sightings

Author Source Type Date Other

Nomenclature

  • Seen: The vulnerability was mentioned, discussed, or observed by the user.
  • Confirmed: The vulnerability has been validated from an analyst's perspective.
  • Published Proof of Concept: A public proof of concept is available for this vulnerability.
  • Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
  • Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
  • Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
  • Not confirmed: The user expressed doubt about the validity of the vulnerability.
  • Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.
Vulnerability timeline

Sightings and recorded dates, grouped by day · UTC

JSON
Events included in the timeline

Loading timeline…


    Loading…

    Loading…

    Loading…

    Related by attack behaviour

    Vulnerabilities whose description is nearest to this one in the vector space of the CIRCL/vulnerability-attack-technique-biencoder model. This is a similarity search over the bi-encoder space (plain cosine), not a classification, and it has no measured accuracy.