Vulnerability-Lookup

FKIE_CVE-2026-9171

Vulnerability from fkie_nvd - Published: 2026-07-17 19:17 - Updated: 2026-08-11 23:28

Severity

7.5 (High) - CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Summary

IBM WebSphere Application Server and WebSphere Application Server Liberty are vulnerable to a denial of service, caused by sending a specially-crafted request. A remote attacker could exploit this vulnerability to cause the server to consume memory resources.

References

	URL	Tags
	psirt@us.ibm.com	https://www.ibm.com/support/pages/node/7280226	Vendor Advisory

Impacted products

Vendor	Product	Version
ibm	powervm_novalink	2.2.0
ibm	powervm_novalink	2.2.1
ibm	powervm_novalink	2.2.1.1
ibm	powervm_novalink	2.3.0
ibm	powervm_novalink	2.3.0.1
ibm	powervm_novalink	2.3.1
ibm	powervm_novalink	2.3.2

JSON

To clipboard

{
  "affected": [
    {
      "affectedData": [
        {
          "cpes": [
            "cpe:2.3:a:ibm:powervm_novalink:2.2.02.2.12.2.1.1:*:*:*:*:*:*:*",
            "cpe:2.3:a:ibm:powervm_novalink:2.3.02.3.0.12.3.12.3.2:*:*:*:*:*:*:*"
          ],
          "defaultStatus": "unaffected",
          "product": "PowerVM Novalink",
          "vendor": "IBM",
          "versions": [
            {
              "status": "affected",
              "version": "2.2.02.2.12.2.1.1"
            },
            {
              "status": "affected",
              "version": "2.3.02.3.0.12.3.12.3.2"
            }
          ]
        }
      ],
      "source": "psirt@us.ibm.com"
    }
  ],
  "configurations": [
    {
      "nodes": [
        {
          "cpeMatch": [
            {
              "criteria": "cpe:2.3:a:ibm:powervm_novalink:2.2.0:*:*:*:*:*:*:*",
              "matchCriteriaId": "EAA48A51-6134-4D91-AFFE-B06CFD5835CC",
              "vulnerable": true
            },
            {
              "criteria": "cpe:2.3:a:ibm:powervm_novalink:2.2.1:*:*:*:*:*:*:*",
              "matchCriteriaId": "A7E9BA94-2844-48B3-8EBA-1E8CE1D0E17D",
              "vulnerable": true
            },
            {
              "criteria": "cpe:2.3:a:ibm:powervm_novalink:2.2.1.1:*:*:*:*:*:*:*",
              "matchCriteriaId": "A7B7E12C-3535-47D9-A1F1-1A178180A5F9",
              "vulnerable": true
            },
            {
              "criteria": "cpe:2.3:a:ibm:powervm_novalink:2.3.0:*:*:*:*:*:*:*",
              "matchCriteriaId": "9C195B1E-743B-43A4-9DF8-30ADDE5DE405",
              "vulnerable": true
            },
            {
              "criteria": "cpe:2.3:a:ibm:powervm_novalink:2.3.0.1:*:*:*:*:*:*:*",
              "matchCriteriaId": "F937C4F3-CE12-47DD-8BAE-70AC4F831AB4",
              "vulnerable": true
            },
            {
              "criteria": "cpe:2.3:a:ibm:powervm_novalink:2.3.1:*:*:*:*:*:*:*",
              "matchCriteriaId": "5B9E4D20-720D-4239-B2E3-52454ECDBE62",
              "vulnerable": true
            },
            {
              "criteria": "cpe:2.3:a:ibm:powervm_novalink:2.3.2:*:*:*:*:*:*:*",
              "matchCriteriaId": "E4252B01-2282-4E04-A169-3E232F76D3C3",
              "vulnerable": true
            }
          ],
          "negate": false,
          "operator": "OR"
        }
      ]
    }
  ],
  "cveTags": [],
  "descriptions": [
    {
      "lang": "en",
      "value": "IBM WebSphere Application Server and WebSphere Application Server Liberty are vulnerable to a denial of service, caused by sending a specially-crafted request. A remote attacker could exploit this vulnerability to cause the server to consume memory resources."
    }
  ],
  "id": "CVE-2026-9171",
  "lastModified": "2026-08-11T23:28:49.447",
  "metrics": {
    "cvssMetricV31": [
      {
        "cvssData": {
          "attackComplexity": "LOW",
          "attackVector": "NETWORK",
          "availabilityImpact": "HIGH",
          "baseScore": 7.5,
          "baseSeverity": "HIGH",
          "confidentialityImpact": "NONE",
          "integrityImpact": "NONE",
          "privilegesRequired": "NONE",
          "scope": "UNCHANGED",
          "userInteraction": "NONE",
          "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H",
          "version": "3.1"
        },
        "exploitabilityScore": 3.9,
        "impactScore": 3.6,
        "source": "psirt@us.ibm.com",
        "type": "Secondary"
      }
    ],
    "ssvcV203": [
      {
        "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
        "ssvcData": {
          "id": "CVE-2026-9171",
          "options": [
            {
              "exploitation": "none"
            },
            {
              "automatable": "yes"
            },
            {
              "technicalImpact": "partial"
            }
          ],
          "role": "CISA Coordinator",
          "timestamp": "2026-07-21T01:51:30.916363Z",
          "version": "2.0.3"
        }
      }
    ]
  },
  "published": "2026-07-17T19:17:19.520",
  "references": [
    {
      "source": "psirt@us.ibm.com",
      "tags": [
        "Vendor Advisory"
      ],
      "url": "https://www.ibm.com/support/pages/node/7280226"
    }
  ],
  "sourceIdentifier": "psirt@us.ibm.com",
  "vulnStatus": "Analyzed",
  "weaknesses": [
    {
      "description": [
        {
          "lang": "en",
          "value": "CWE-400"
        }
      ],
      "source": "psirt@us.ibm.com",
      "type": "Secondary"
    }
  ]
}

CVE-2026-9171 (GCVE-0-2026-9171)

Vulnerability from cvelistv5 – Published: 2026-07-17 18:26 – Updated: 2026-07-30 15:47

Title

Vulnerabilities in IBM WebSphere Application affects IBM PowerVM Novalink.

Summary

Severity

7.5 (High)


                        
                          CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

SSVC

Exploitation: none Automatable: yes Technical Impact: partial

CISA Coordinator · CISA-ADP (v2.0.3)

Decision recorded 2026-07-21 01:51 UTC

CWE

CWE-400 - Uncontrolled Resource Consumption

Assigner

ibm mitre root

References

1 reference

URL	Tags
https://www.ibm.com/support/pages/node/7280226	vendor-advisorypatch

Impacted products

1 product

Vendor	Product	Version
IBM	PowerVM Novalink	Affected: 2.2.02.2.12.2.1.1 Affected: 2.3.02.3.0.12.3.12.3.2 cpe:2.3:a:ibm:powervm_novalink:2.2.02.2.12.2.1.1:::::::* cpe:2.3:a:ibm:powervm_novalink:2.3.02.3.0.12.3.12.3.2:::::::*

Show details on NVD website

JSON

To clipboard

{
  "containers": {
    "adp": [
      {
        "metrics": [
          {
            "other": {
              "content": {
                "id": "CVE-2026-9171",
                "options": [
                  {
                    "Exploitation": "none"
                  },
                  {
                    "Automatable": "yes"
                  },
                  {
                    "Technical Impact": "partial"
                  }
                ],
                "role": "CISA Coordinator",
                "timestamp": "2026-07-21T01:51:30.916363Z",
                "version": "2.0.3"
              },
              "type": "ssvc"
            }
          }
        ],
        "providerMetadata": {
          "dateUpdated": "2026-07-21T01:51:45.382Z",
          "orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
          "shortName": "CISA-ADP"
        },
        "title": "CISA ADP Vulnrichment"
      }
    ],
    "cna": {
      "affected": [
        {
          "cpes": [
            "cpe:2.3:a:ibm:powervm_novalink:2.2.02.2.12.2.1.1:*:*:*:*:*:*:*",
            "cpe:2.3:a:ibm:powervm_novalink:2.3.02.3.0.12.3.12.3.2:*:*:*:*:*:*:*"
          ],
          "defaultStatus": "unaffected",
          "product": "PowerVM Novalink",
          "vendor": "IBM",
          "versions": [
            {
              "status": "affected",
              "version": "2.2.02.2.12.2.1.1"
            },
            {
              "status": "affected",
              "version": "2.3.02.3.0.12.3.12.3.2"
            }
          ]
        }
      ],
      "descriptions": [
        {
          "lang": "en",
          "supportingMedia": [
            {
              "base64": false,
              "type": "text/html",
              "value": "\u003cp\u003eIBM WebSphere Application Server and WebSphere Application Server Liberty are vulnerable to a denial of service, caused by sending a specially-crafted request. A remote attacker could exploit this vulnerability to cause the server to consume memory resources.\u003c/p\u003e"
            }
          ],
          "value": "IBM WebSphere Application Server and WebSphere Application Server Liberty are vulnerable to a denial of service, caused by sending a specially-crafted request. A remote attacker could exploit this vulnerability to cause the server to consume memory resources."
        }
      ],
      "metrics": [
        {
          "cvssV3_1": {
            "attackComplexity": "LOW",
            "attackVector": "NETWORK",
            "availabilityImpact": "HIGH",
            "baseScore": 7.5,
            "baseSeverity": "HIGH",
            "confidentialityImpact": "NONE",
            "integrityImpact": "NONE",
            "privilegesRequired": "NONE",
            "scope": "UNCHANGED",
            "userInteraction": "NONE",
            "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H",
            "version": "3.1"
          },
          "format": "CVSS",
          "scenarios": [
            {
              "lang": "en",
              "value": "GENERAL"
            }
          ]
        }
      ],
      "problemTypes": [
        {
          "descriptions": [
            {
              "cweId": "CWE-400",
              "description": "CWE-400 Uncontrolled Resource Consumption",
              "lang": "en",
              "type": "CWE"
            }
          ]
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2026-07-30T15:47:51.119Z",
        "orgId": "9a959283-ebb5-44b6-b705-dcc2bbced522",
        "shortName": "ibm"
      },
      "references": [
        {
          "tags": [
            "vendor-advisory",
            "patch"
          ],
          "url": "https://www.ibm.com/support/pages/node/7280226"
        }
      ],
      "solutions": [
        {
          "lang": "en",
          "supportingMedia": [
            {
              "base64": false,
              "type": "text/html",
              "value": "\u003cdiv\u003e\u003cdiv\u003e\u003cdiv\u003e\u003cp\u003eIBM strongly recommends addressing the vulnerability now by upgrading based on the table below.\u003c/p\u003e\u003cdiv\u003e\u003cdiv\u003e\u003ctable\u003e\u003ctbody\u003e\u003ctr\u003e\u003ctd\u003eProduct\u003c/td\u003e\u003ctd\u003eVersion\u003c/td\u003e\u003ctd\u003eRemediation\u003c/td\u003e\u003c/tr\u003e\u003ctr\u003e\u003ctd\u003ePowerVM Novalink\u003c/td\u003e\u003ctd\u003e\u003cp\u003e2.2.1.1\u003c/p\u003e\u003c/td\u003e\u003ctd\u003e\u003cp\u003e\u003ca href=\"https://public.dhe.ibm.com/systems/virtualization/Novalink/readme/NovaLink_2.2.1.1_readme.html\" rel=\"nofollow\"\u003eUpdate to pvm-novalink-2.2.1.1-260708\u003c/a\u003e\u003c/p\u003e\u003cp\u003eor\u003c/p\u003e\u003cp\u003e\u003ca href=\"https://public.dhe.ibm.com/systems/virtualization/Novalink/readme/NovaLink_2.3.3_readme.html\" rel=\"nofollow\"\u003eUpdate to pvm-novalink-2.3.3-260714\u003c/a\u003e\u003c/p\u003e\u003c/td\u003e\u003c/tr\u003e\u003ctr\u003e\u003ctd\u003ePowerVM Novalink\u003c/td\u003e\u003ctd\u003e\u003cp\u003e2.3.3\u003c/p\u003e\u003c/td\u003e\u003ctd\u003e\u003cp\u003e\u003ca href=\"https://public.dhe.ibm.com/systems/virtualization/Novalink/readme/NovaLink_2.3.3_readme.html\" rel=\"nofollow\"\u003eUpdate to pvm-novalink-2.3.3-260714\u003c/a\u003e\u003c/p\u003e\u003c/td\u003e\u003c/tr\u003e\u003c/tbody\u003e\u003c/table\u003e\u003c/div\u003e\u003c/div\u003e\u003c/div\u003e\u003c/div\u003e\u003c/div\u003e\u003cdiv\u003e\u003cdiv\u003e\u003c/div\u003e\u003cdiv\u003e\u003cp\u003e\u003c/p\u003e\u003c/div\u003e\u003c/div\u003e"
            }
          ],
          "value": "IBM strongly recommends addressing the vulnerability now by upgrading based on the table below.\n\nProductVersionRemediationPowerVM Novalink\n\n2.2.1.1\n\n\n\n Update to pvm-novalink-2.2.1.1-260708 https://public.dhe.ibm.com/systems/virtualization/Novalink/readme/NovaLink_2.2.1.1_readme.html \n\n\n\nor\n\n\n\n Update to pvm-novalink-2.3.3-260714 https://public.dhe.ibm.com/systems/virtualization/Novalink/readme/NovaLink_2.3.3_readme.html \n\nPowerVM Novalink\n\n2.3.3\n\n\n\n Update to pvm-novalink-2.3.3-260714 https://public.dhe.ibm.com/systems/virtualization/Novalink/readme/NovaLink_2.3.3_readme.html"
        }
      ],
      "source": {
        "discovery": "UNKNOWN"
      },
      "title": "Vulnerabilities in IBM WebSphere Application affects IBM PowerVM Novalink.",
      "x_generator": {
        "engine": "ibm-cvegen"
      }
    }
  },
  "cveMetadata": {
    "assignerOrgId": "9a959283-ebb5-44b6-b705-dcc2bbced522",
    "assignerShortName": "ibm",
    "cveId": "CVE-2026-9171",
    "datePublished": "2026-07-17T18:26:10.326Z",
    "dateReserved": "2026-05-21T14:37:46.761Z",
    "dateUpdated": "2026-07-30T15:47:51.119Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.2"
}

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.

Detection rules are retrieved from Rulezet.

The MITRE ATT&CK techniques below are AI-generated suggestions, inferred from the description of the vulnerability by the CIRCL/vulnerability-attack-technique-classification-roberta-base model, served locally by ML-Gateway. They have not been verified by an analyst and are provided for guidance only.
The approach is described in our paper Mapping CVEs to MITRE ATT&CK Techniques: A Curated Gold-Set Classifier and the Limits of LLM-Assisted Label Expansion.

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FKIE_CVE-2026-9171

CVE-2026-9171 (GCVE-0-2026-9171)

Tags

Sightings

Nomenclature