Vulnerability-Lookup

CVE-2026-15961 (GCVE-0-2026-15961)

Vulnerability from cvelistv5 – Published: 2026-08-19 14:36 – Updated: 2026-08-19 14:36

Title

This Power System update is being released to address

Summary

IBM PowerVM Hypervisor FW1120.00, FW1110.00 through FW1110.30, and FW1060.00 through FW1060.80 could allow a local attacker to obtain sensitive information or cause a denial of service due to improper control of format strings.

Severity

5.2 (Medium)


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

CWE

CWE-134 - Use of Externally-Controlled Format String

Assigner

ibm mitre root

References

1 reference

URL	Tags
https://www.ibm.com/support/pages/node/7283228	vendor-advisorypatch

Impacted products

1 product

Vendor	Product	Version	CPE status
IBM	PowerVM Hypervisor	Affected: FW1120.00 Affected: FW1110.00 , ≤ FW1110.30 (semver) Affected: FW1060.00 , ≤ FW1060.80 (semver) cpe:2.3:a:ibm:powervm_hypervisor:fw1120.00:::::::* cpe:2.3:a:ibm:powervm_hypervisor:fw1120.00.0:::::::* cpe:2.3:a:ibm:powervm_hypervisor:fw1110.00:::::::* cpe:2.3:a:ibm:powervm_hypervisor:fw1110.00.0:::::::* cpe:2.3:a:ibm:powervm_hypervisor:fw1110.30:::::::* cpe:2.3:a:ibm:powervm_hypervisor:fw1110.30.0:::::::* cpe:2.3:a:ibm:powervm_hypervisor:fw1060.00:::::::* cpe:2.3:a:ibm:powervm_hypervisor:fw1060.00.0:::::::* cpe:2.3:a:ibm:powervm_hypervisor:fw1060.80:::::::* cpe:2.3:a:ibm:powervm_hypervisor:fw1060.80.0:::::::*

Show details on NVD website

JSON

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{
  "containers": {
    "cna": {
      "affected": [
        {
          "cpes": [
            "cpe:2.3:a:ibm:powervm_hypervisor:fw1120.00:*:*:*:*:*:*:*",
            "cpe:2.3:a:ibm:powervm_hypervisor:fw1120.00.0:*:*:*:*:*:*:*",
            "cpe:2.3:a:ibm:powervm_hypervisor:fw1110.00:*:*:*:*:*:*:*",
            "cpe:2.3:a:ibm:powervm_hypervisor:fw1110.00.0:*:*:*:*:*:*:*",
            "cpe:2.3:a:ibm:powervm_hypervisor:fw1110.30:*:*:*:*:*:*:*",
            "cpe:2.3:a:ibm:powervm_hypervisor:fw1110.30.0:*:*:*:*:*:*:*",
            "cpe:2.3:a:ibm:powervm_hypervisor:fw1060.00:*:*:*:*:*:*:*",
            "cpe:2.3:a:ibm:powervm_hypervisor:fw1060.00.0:*:*:*:*:*:*:*",
            "cpe:2.3:a:ibm:powervm_hypervisor:fw1060.80:*:*:*:*:*:*:*",
            "cpe:2.3:a:ibm:powervm_hypervisor:fw1060.80.0:*:*:*:*:*:*:*"
          ],
          "product": "PowerVM Hypervisor",
          "vendor": "IBM",
          "versions": [
            {
              "status": "affected",
              "version": "FW1120.00"
            },
            {
              "lessThanOrEqual": "FW1110.30",
              "status": "affected",
              "version": "FW1110.00",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "FW1060.80",
              "status": "affected",
              "version": "FW1060.00",
              "versionType": "semver"
            }
          ]
        }
      ],
      "descriptions": [
        {
          "lang": "en",
          "supportingMedia": [
            {
              "base64": false,
              "type": "text/html",
              "value": "\u003cp\u003eIBM PowerVM Hypervisor FW1120.00, FW1110.00 through FW1110.30, and FW1060.00 through FW1060.80 could allow a local attacker to obtain sensitive information or cause a denial of service due to improper control of format strings.\u003c/p\u003e"
            }
          ],
          "value": "IBM PowerVM Hypervisor FW1120.00, FW1110.00 through FW1110.30, and FW1060.00 through FW1060.80 could allow a local attacker to obtain sensitive information or cause a denial of service due to improper control of format strings."
        }
      ],
      "metrics": [
        {
          "cvssV3_1": {
            "attackComplexity": "HIGH",
            "attackVector": "LOCAL",
            "availabilityImpact": "HIGH",
            "baseScore": 5.2,
            "baseSeverity": "MEDIUM",
            "confidentialityImpact": "LOW",
            "integrityImpact": "LOW",
            "privilegesRequired": "HIGH",
            "scope": "UNCHANGED",
            "userInteraction": "NONE",
            "vectorString": "CVSS:3.1/AV:L/AC:H/PR:H/UI:N/S:U/C:L/I:L/A:H",
            "version": "3.1"
          },
          "format": "CVSS",
          "scenarios": [
            {
              "lang": "en",
              "value": "GENERAL"
            }
          ]
        }
      ],
      "problemTypes": [
        {
          "descriptions": [
            {
              "cweId": "CWE-134",
              "description": "CWE-134 Use of Externally-Controlled Format String",
              "lang": "en",
              "type": "CWE"
            }
          ]
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2026-08-19T14:36:03.055Z",
        "orgId": "9a959283-ebb5-44b6-b705-dcc2bbced522",
        "shortName": "ibm"
      },
      "references": [
        {
          "tags": [
            "vendor-advisory",
            "patch"
          ],
          "url": "https://www.ibm.com/support/pages/node/7283228"
        }
      ],
      "solutions": [
        {
          "lang": "en",
          "supportingMedia": [
            {
              "base64": false,
              "type": "text/html",
              "value": "\u003cp\u003eCustomers with the products below should install FW1110.31(1110_134), FW1120.01(1120_167), or newer to remediate this vulnerability.\u003cbr/\u003ePower 11\u003c/p\u003e\u003col\u003e\u003cli\u003eIBM Power System E1180 (9080-HEU)\u003c/li\u003e\u003c/ol\u003e\u003cp\u003eCustomers with the products below should install FW1110.31(1110_155), FW1120.01(1120_190), or newer to remediate this vulnerability.\u003cbr/\u003ePower 11\u003c/p\u003e\u003col\u003e\u003cli\u003eIBM Power System S1122 (9824-22A)\u003c/li\u003e\u003cli\u003eIBM Power System S1124 (9824-42A)\u003c/li\u003e\u003cli\u003eIBM Power System S1122s (9824-22B)\u003c/li\u003e\u003cli\u003eIBM Power System S1114 (9824-41B)\u003c/li\u003e\u003cli\u003eIBM Power System L1122 (9856-22H)\u003c/li\u003e\u003cli\u003eIBM Power System L1124 (9856-42H)\u003c/li\u003e\u003cli\u003eIBM Power System E1150 (9043-MRU)\u003c/li\u003e\u003c/ol\u003e\u003cp\u003eCustomers with the products below should install FW1120.01(1120_190), or newer to remediate this vulnerability.\u003c/p\u003e\u003cp\u003ePower 11\u003c/p\u003e\u003col\u003e\u003cli\u003eIBM Power System S1112 (9242-21B, 9242-21T)\u003c/li\u003e\u003c/ol\u003e\u003cp\u003e\u003cbr/\u003eCustomers with the products below should install FW1060.81(1060_184), or newer to remediate this vulnerability.\u003cbr/\u003ePower 10\u003c/p\u003e\u003col\u003e\u003cli\u003eIBM Power System E1080 (9080-HEX)\u003c/li\u003e\u003c/ol\u003e\u003cp\u003eCustomers with the products below should install\u00a0 FW1060.81(1060_191), or newer to remediate this vulnerability.\u003cbr/\u003ePower 10\u003c/p\u003e\u003col\u003e\u003cli\u003eIBM Power System S1022 (9105-22A)\u003c/li\u003e\u003cli\u003eIBM Power System S1024 (9105-42A)\u003c/li\u003e\u003cli\u003eIBM Power System S1022s (9105-22B)\u003c/li\u003e\u003cli\u003eIBM Power System S1014 (9105-41B)\u003c/li\u003e\u003cli\u003eIBM Power System L1022 (9786-22H)\u003c/li\u003e\u003cli\u003eIBM Power System L1024 (9786-42H)\u003c/li\u003e\u003cli\u003eIBM Power System E1050 (9043-MRX)\u003c/li\u003e\u003cli\u003eIBM Power System S1012 (9028-21B)\u003c/li\u003e\u003c/ol\u003e\u003cp\u003e\u003c/p\u003e\u003cp\u003e\u003cem\u003eThe images mentioned above can be located at IBM Fix Central : \u003c/em\u003e\u003ca href=\"https://www.ibm.com/support/fixcentral/\" rel=\"noopener noreferrer nofollow\"\u003e\u003cem\u003ehttps://www.ibm.com/support/fixcentral/\u003c/em\u003e\u003c/a\u003e\u003c/p\u003e"
            }
          ],
          "value": "Customers with the products below should install FW1110.31(1110_134), FW1120.01(1120_167), or newer to remediate this vulnerability.\nPower 11\nIBM Power System E1180 (9080-HEU)\nCustomers with the products below should install FW1110.31(1110_155), FW1120.01(1120_190), or newer to remediate this vulnerability.\nPower 11\nIBM Power System S1122 (9824-22A)\nIBM Power System S1124 (9824-42A)\nIBM Power System S1122s (9824-22B)\nIBM Power System S1114 (9824-41B)\nIBM Power System L1122 (9856-22H)\nIBM Power System L1124 (9856-42H)\nIBM Power System E1150 (9043-MRU)\nCustomers with the products below should install FW1120.01(1120_190), or newer to remediate this vulnerability.\nPower 11\nIBM Power System S1112 (9242-21B, 9242-21T)\n\nCustomers with the products below should install FW1060.81(1060_184), or newer to remediate this vulnerability.\nPower 10\nIBM Power System E1080 (9080-HEX)\nCustomers with the products below should install FW1060.81(1060_191), or newer to remediate this vulnerability.\nPower 10\nIBM Power System S1022 (9105-22A)\nIBM Power System S1024 (9105-42A)\nIBM Power System S1022s (9105-22B)\nIBM Power System S1014 (9105-41B)\nIBM Power System L1022 (9786-22H)\nIBM Power System L1024 (9786-42H)\nIBM Power System E1050 (9043-MRX)\nIBM Power System S1012 (9028-21B)\n\nThe images mentioned above can be located at IBM Fix Central : https://www.ibm.com/support/fixcentral/"
        }
      ],
      "title": "This Power System update is being released to address"
    }
  },
  "cveMetadata": {
    "assignerOrgId": "9a959283-ebb5-44b6-b705-dcc2bbced522",
    "assignerShortName": "ibm",
    "cveId": "CVE-2026-15961",
    "datePublished": "2026-08-19T14:36:03.055Z",
    "dateReserved": "2026-07-16T14:14:20.484Z",
    "dateUpdated": "2026-08-19T14:36:03.055Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.2",
  "vulnerability-lookup:meta": {
    "nvd": "{\"cve\":{\"id\":\"CVE-2026-15961\",\"sourceIdentifier\":\"psirt@us.ibm.com\",\"published\":\"2026-08-19T15:16:56.413\",\"lastModified\":\"2026-08-19T15:16:56.413\",\"vulnStatus\":\"Received\",\"cveTags\":[],\"descriptions\":[{\"lang\":\"en\",\"value\":\"IBM PowerVM Hypervisor FW1120.00, FW1110.00 through FW1110.30, and FW1060.00 through FW1060.80 could allow a local attacker to obtain sensitive information or cause a denial of service due to improper control of format strings.\"}],\"affected\":[{\"source\":\"psirt@us.ibm.com\",\"affectedData\":[{\"vendor\":\"IBM\",\"product\":\"PowerVM Hypervisor\",\"cpes\":[\"cpe:2.3:a:ibm:powervm_hypervisor:fw1120.00:*:*:*:*:*:*:*\",\"cpe:2.3:a:ibm:powervm_hypervisor:fw1120.00.0:*:*:*:*:*:*:*\",\"cpe:2.3:a:ibm:powervm_hypervisor:fw1110.00:*:*:*:*:*:*:*\",\"cpe:2.3:a:ibm:powervm_hypervisor:fw1110.00.0:*:*:*:*:*:*:*\",\"cpe:2.3:a:ibm:powervm_hypervisor:fw1110.30:*:*:*:*:*:*:*\",\"cpe:2.3:a:ibm:powervm_hypervisor:fw1110.30.0:*:*:*:*:*:*:*\",\"cpe:2.3:a:ibm:powervm_hypervisor:fw1060.00:*:*:*:*:*:*:*\",\"cpe:2.3:a:ibm:powervm_hypervisor:fw1060.00.0:*:*:*:*:*:*:*\",\"cpe:2.3:a:ibm:powervm_hypervisor:fw1060.80:*:*:*:*:*:*:*\",\"cpe:2.3:a:ibm:powervm_hypervisor:fw1060.80.0:*:*:*:*:*:*:*\"],\"versions\":[{\"version\":\"FW1120.00\",\"status\":\"affected\"},{\"version\":\"FW1110.00\",\"lessThanOrEqual\":\"FW1110.30\",\"versionType\":\"semver\",\"status\":\"affected\"},{\"version\":\"FW1060.00\",\"lessThanOrEqual\":\"FW1060.80\",\"versionType\":\"semver\",\"status\":\"affected\"}]}]}],\"metrics\":{\"cvssMetricV31\":[{\"source\":\"psirt@us.ibm.com\",\"type\":\"Primary\",\"cvssData\":{\"version\":\"3.1\",\"vectorString\":\"CVSS:3.1/AV:L/AC:H/PR:H/UI:N/S:U/C:L/I:L/A:H\",\"baseScore\":5.2,\"baseSeverity\":\"MEDIUM\",\"attackVector\":\"LOCAL\",\"attackComplexity\":\"HIGH\",\"privilegesRequired\":\"HIGH\",\"userInteraction\":\"NONE\",\"scope\":\"UNCHANGED\",\"confidentialityImpact\":\"LOW\",\"integrityImpact\":\"LOW\",\"availabilityImpact\":\"HIGH\"},\"exploitabilityScore\":0.5,\"impactScore\":4.7}]},\"weaknesses\":[{\"source\":\"psirt@us.ibm.com\",\"type\":\"Primary\",\"description\":[{\"lang\":\"en\",\"value\":\"CWE-134\"}]}],\"references\":[{\"url\":\"https://www.ibm.com/support/pages/node/7283228\",\"source\":\"psirt@us.ibm.com\"}]}}"
  }
}

FKIE_CVE-2026-15961

Vulnerability from fkie_nvd - Published: 2026-08-19 15:16 - Updated: 2026-08-19 15:16

Severity

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

Summary

References

	URL	Tags
	psirt@us.ibm.com	https://www.ibm.com/support/pages/node/7283228

Impacted products

	Vendor	Product	Version

JSON

To clipboard

{
  "affected": [
    {
      "affectedData": [
        {
          "cpes": [
            "cpe:2.3:a:ibm:powervm_hypervisor:fw1120.00:*:*:*:*:*:*:*",
            "cpe:2.3:a:ibm:powervm_hypervisor:fw1120.00.0:*:*:*:*:*:*:*",
            "cpe:2.3:a:ibm:powervm_hypervisor:fw1110.00:*:*:*:*:*:*:*",
            "cpe:2.3:a:ibm:powervm_hypervisor:fw1110.00.0:*:*:*:*:*:*:*",
            "cpe:2.3:a:ibm:powervm_hypervisor:fw1110.30:*:*:*:*:*:*:*",
            "cpe:2.3:a:ibm:powervm_hypervisor:fw1110.30.0:*:*:*:*:*:*:*",
            "cpe:2.3:a:ibm:powervm_hypervisor:fw1060.00:*:*:*:*:*:*:*",
            "cpe:2.3:a:ibm:powervm_hypervisor:fw1060.00.0:*:*:*:*:*:*:*",
            "cpe:2.3:a:ibm:powervm_hypervisor:fw1060.80:*:*:*:*:*:*:*",
            "cpe:2.3:a:ibm:powervm_hypervisor:fw1060.80.0:*:*:*:*:*:*:*"
          ],
          "product": "PowerVM Hypervisor",
          "vendor": "IBM",
          "versions": [
            {
              "status": "affected",
              "version": "FW1120.00"
            },
            {
              "lessThanOrEqual": "FW1110.30",
              "status": "affected",
              "version": "FW1110.00",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "FW1060.80",
              "status": "affected",
              "version": "FW1060.00",
              "versionType": "semver"
            }
          ]
        }
      ],
      "source": "psirt@us.ibm.com"
    }
  ],
  "cveTags": [],
  "descriptions": [
    {
      "lang": "en",
      "value": "IBM PowerVM Hypervisor FW1120.00, FW1110.00 through FW1110.30, and FW1060.00 through FW1060.80 could allow a local attacker to obtain sensitive information or cause a denial of service due to improper control of format strings."
    }
  ],
  "id": "CVE-2026-15961",
  "lastModified": "2026-08-19T15:16:56.413",
  "metrics": {
    "cvssMetricV31": [
      {
        "cvssData": {
          "attackComplexity": "HIGH",
          "attackVector": "LOCAL",
          "availabilityImpact": "HIGH",
          "baseScore": 5.2,
          "baseSeverity": "MEDIUM",
          "confidentialityImpact": "LOW",
          "integrityImpact": "LOW",
          "privilegesRequired": "HIGH",
          "scope": "UNCHANGED",
          "userInteraction": "NONE",
          "vectorString": "CVSS:3.1/AV:L/AC:H/PR:H/UI:N/S:U/C:L/I:L/A:H",
          "version": "3.1"
        },
        "exploitabilityScore": 0.5,
        "impactScore": 4.7,
        "source": "psirt@us.ibm.com",
        "type": "Primary"
      }
    ]
  },
  "published": "2026-08-19T15:16:56.413",
  "references": [
    {
      "source": "psirt@us.ibm.com",
      "url": "https://www.ibm.com/support/pages/node/7283228"
    }
  ],
  "sourceIdentifier": "psirt@us.ibm.com",
  "vulnStatus": "Received",
  "weaknesses": [
    {
      "description": [
        {
          "lang": "en",
          "value": "CWE-134"
        }
      ],
      "source": "psirt@us.ibm.com",
      "type": "Primary"
    }
  ]
}

GHSA-8QQ5-WPJC-V6G2

Vulnerability from github – Published: 2026-08-19 15:32 – Updated: 2026-08-19 15:32

Details

Severity

5.2 (Medium)


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

Show details on source website

JSON

To clipboard

{
  "affected": [],
  "aliases": [
    "CVE-2026-15961"
  ],
  "database_specific": {
    "cwe_ids": [
      "CWE-134"
    ],
    "github_reviewed": false,
    "github_reviewed_at": null,
    "nvd_published_at": "2026-08-19T15:16:56Z",
    "severity": "MODERATE"
  },
  "details": "IBM PowerVM Hypervisor FW1120.00, FW1110.00 through FW1110.30, and FW1060.00 through FW1060.80 could allow a local attacker to obtain sensitive information or cause a denial of service due to improper control of format strings.",
  "id": "GHSA-8qq5-wpjc-v6g2",
  "modified": "2026-08-19T15:32:37Z",
  "published": "2026-08-19T15:32:37Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2026-15961"
    },
    {
      "type": "WEB",
      "url": "https://www.ibm.com/support/pages/node/7283228"
    }
  ],
  "schema_version": "1.4.0",
  "severity": [
    {
      "score": "CVSS:3.1/AV:L/AC:H/PR:H/UI:N/S:U/C:L/I:L/A:H",
      "type": "CVSS_V3"
    }
  ]
}

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.

Action not permitted

CVE-2026-15961 (GCVE-0-2026-15961)

FKIE_CVE-2026-15961

GHSA-8QQ5-WPJC-V6G2

Tags

Sightings

Nomenclature