Vulnerability-Lookup

CNVD-2026-29415

Vulnerability from cnvd - Published: 2026-07-30

Title

IBM WebSphere Application Server资源管理错误漏洞（CNVD-2026-29415）

Description

IBM websphere application server是美国IBM公司的一个Web应用执行环境。 IBM WebSphere Application Server存在资源管理错误漏洞，攻击者可利用该漏洞通过发送特制请求导致服务器消耗内存资源，从而造成拒绝服务。

Severity

高

Patch Name

IBM WebSphere Application Server资源管理错误漏洞（CNVD-2026-29415）的补丁

Patch Description

IBM websphere application server是美国IBM公司的一个Web应用执行环境。 IBM WebSphere Application Server存在资源管理错误漏洞，攻击者可利用该漏洞通过发送特制请求导致服务器消耗内存资源，从而造成拒绝服务。目前，供应商发布了安全公告及相关补丁信息，修复了此漏洞。

Formal description

目前厂商已经发布了升级补丁以修复这个安全问题，请到厂商的主页下载： https://www.ibm.com/support/pages/node/7276579

Reference

https://nvd.nist.gov/vuln/detail/CVE-2026-9320

Impacted products

Name
['IBM WebSphere Application Server Liberty >=17.0.0.3，<=26.0.0.6', 'IBM Websphere Application Server >=9.0.0.0，<9.0.5.29', 'IBM Websphere Application Server >=8.5.0.0，<8.5.5.30']

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{
  "cves": {
    "cve": {
      "cveNumber": "CVE-2026-9320",
      "cveUrl": "https://nvd.nist.gov/vuln/detail/CVE-2026-9320"
    }
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  "description": "IBM websphere application server\u662f\u7f8e\u56fdIBM\u516c\u53f8\u7684\u4e00\u4e2aWeb\u5e94\u7528\u6267\u884c\u73af\u5883\u3002\n\nIBM WebSphere Application Server\u5b58\u5728\u8d44\u6e90\u7ba1\u7406\u9519\u8bef\u6f0f\u6d1e\uff0c\u653b\u51fb\u8005\u53ef\u5229\u7528\u8be5\u6f0f\u6d1e\u901a\u8fc7\u53d1\u9001\u7279\u5236\u8bf7\u6c42\u5bfc\u81f4\u670d\u52a1\u5668\u6d88\u8017\u5185\u5b58\u8d44\u6e90\uff0c\u4ece\u800c\u9020\u6210\u62d2\u7edd\u670d\u52a1\u3002",
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  "isEvent": "\u901a\u7528\u8f6f\u786c\u4ef6\u6f0f\u6d1e",
  "number": "CNVD-2026-29415",
  "openTime": "2026-07-30",
  "patchDescription": "IBM websphere application server\u662f\u7f8e\u56fdIBM\u516c\u53f8\u7684\u4e00\u4e2aWeb\u5e94\u7528\u6267\u884c\u73af\u5883\u3002\r\n\r\nIBM WebSphere Application Server\u5b58\u5728\u8d44\u6e90\u7ba1\u7406\u9519\u8bef\u6f0f\u6d1e\uff0c\u653b\u51fb\u8005\u53ef\u5229\u7528\u8be5\u6f0f\u6d1e\u901a\u8fc7\u53d1\u9001\u7279\u5236\u8bf7\u6c42\u5bfc\u81f4\u670d\u52a1\u5668\u6d88\u8017\u5185\u5b58\u8d44\u6e90\uff0c\u4ece\u800c\u9020\u6210\u62d2\u7edd\u670d\u52a1\u3002\u76ee\u524d\uff0c\u4f9b\u5e94\u5546\u53d1\u5e03\u4e86\u5b89\u5168\u516c\u544a\u53ca\u76f8\u5173\u8865\u4e01\u4fe1\u606f\uff0c\u4fee\u590d\u4e86\u6b64\u6f0f\u6d1e\u3002",
  "patchName": "IBM WebSphere Application Server\u8d44\u6e90\u7ba1\u7406\u9519\u8bef\u6f0f\u6d1e\uff08CNVD-2026-29415\uff09\u7684\u8865\u4e01",
  "products": {
    "product": [
      "IBM WebSphere Application Server Liberty \u003e=17.0.0.3\uff0c\u003c=26.0.0.6",
      "IBM Websphere Application Server \u003e=9.0.0.0\uff0c\u003c9.0.5.29",
      "IBM Websphere Application Server \u003e=8.5.0.0\uff0c\u003c8.5.5.30"
    ]
  },
  "referenceLink": "https://nvd.nist.gov/vuln/detail/CVE-2026-9320",
  "serverity": "\u9ad8",
  "submitTime": "2026-06-24",
  "title": "IBM WebSphere Application Server\u8d44\u6e90\u7ba1\u7406\u9519\u8bef\u6f0f\u6d1e\uff08CNVD-2026-29415\uff09"
}

CVE-2026-9320 (GCVE-0-2026-9320)

Vulnerability from cvelistv5 – Published: 2026-06-22 14:53 – Updated: 2026-06-22 16:05

Title

IBM WebSphere Application Server and WebSphere Application Server Liberty are affected by multiple vulnerabilities

Summary

IBM WebSphere Application Server 9.0, and 8.5 and IBM WebSphere Application Server - Liberty 17.0.0.3 through 26.0.0.6 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.

Severity

5.9 (Medium)


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

SSVC

Exploitation: none Automatable: no Technical Impact: partial

CISA Coordinator · CISA-ADP (v2.0.3)

Decision recorded 2026-06-22 16:05 UTC

CWE

CWE-400 - Uncontrolled Resource Consumption

Assigner

ibm mitre root

References

1 reference

URL	Tags
https://www.ibm.com/support/pages/node/7276579	vendor-advisorypatch

Impacted products

2 products

Vendor	Product	Version
IBM	WebSphere Application Server	Affected: 9.0.0 , ≤ 7.0.2 Interim Fix 035 (semver) Affected: 8.5.0 , ≤ 7.0.3 Interim Fix 017 (semver) cpe:2.3:a:ibm:websphere_application_server:9.0:::::::* cpe:2.3:a:ibm:websphere_application_server:9.0.0:::::::* cpe:2.3:a:ibm:websphere_application_server:8.5:::::::* cpe:2.3:a:ibm:websphere_application_server:8.5.0:::::::*
IBM	WebSphere Application Server - Liberty	Affected: 17.0.0.3 , ≤ 26.0.0.6 (semver) cpe:2.3:a:ibm:websphere_application_server___liberty:17.0.0.3:::::::* cpe:2.3:a:ibm:websphere_application_server___liberty:26.0.0.6:::::::*

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JSON

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  "containers": {
    "adp": [
      {
        "metrics": [
          {
            "other": {
              "content": {
                "id": "CVE-2026-9320",
                "options": [
                  {
                    "Exploitation": "none"
                  },
                  {
                    "Automatable": "no"
                  },
                  {
                    "Technical Impact": "partial"
                  }
                ],
                "role": "CISA Coordinator",
                "timestamp": "2026-06-22T16:05:05.534855Z",
                "version": "2.0.3"
              },
              "type": "ssvc"
            }
          }
        ],
        "providerMetadata": {
          "dateUpdated": "2026-06-22T16:05:22.609Z",
          "orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
          "shortName": "CISA-ADP"
        },
        "title": "CISA ADP Vulnrichment"
      }
    ],
    "cna": {
      "affected": [
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          "cpes": [
            "cpe:2.3:a:ibm:websphere_application_server:9.0:*:*:*:*:*:*:*",
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            "cpe:2.3:a:ibm:websphere_application_server:8.5:*:*:*:*:*:*:*",
            "cpe:2.3:a:ibm:websphere_application_server:8.5.0:*:*:*:*:*:*:*"
          ],
          "product": "WebSphere Application Server",
          "vendor": "IBM",
          "versions": [
            {
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              "status": "affected",
              "version": "9.0.0",
              "versionType": "semver"
            },
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              "status": "affected",
              "version": "8.5.0",
              "versionType": "semver"
            }
          ]
        },
        {
          "cpes": [
            "cpe:2.3:a:ibm:websphere_application_server___liberty:17.0.0.3:*:*:*:*:*:*:*",
            "cpe:2.3:a:ibm:websphere_application_server___liberty:26.0.0.6:*:*:*:*:*:*:*"
          ],
          "product": "WebSphere Application Server - Liberty",
          "vendor": "IBM",
          "versions": [
            {
              "lessThanOrEqual": "26.0.0.6",
              "status": "affected",
              "version": "17.0.0.3",
              "versionType": "semver"
            }
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        }
      ],
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            }
          ],
          "value": "IBM WebSphere Application Server 9.0, and 8.5 and IBM WebSphere Application Server - Liberty 17.0.0.3 through 26.0.0.6 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": "HIGH",
            "attackVector": "NETWORK",
            "availabilityImpact": "HIGH",
            "baseScore": 5.9,
            "baseSeverity": "MEDIUM",
            "confidentialityImpact": "NONE",
            "integrityImpact": "NONE",
            "privilegesRequired": "NONE",
            "scope": "UNCHANGED",
            "userInteraction": "NONE",
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        "dateUpdated": "2026-06-22T14:54:35.574Z",
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      "references": [
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              "value": "\u003cp\u003eIBM strongly recommends addressing the vulnerability now by applying a currently available interim fix or fix pack that contains the fix for APAR PH71631 and PH71370. To determine if a feature is enabled for WebSphere Application Server Liberty, refer to\u0026nbsp;\u003ca href=\"https://www.ibm.com/support/pages/node/6553910\" rel=\"nofollow\"\u003eHow to determine if Liberty is using a specific feature\u003c/a\u003e.\u0026nbsp;\u003c/p\u003e\u003cdiv\u003e\u003cp\u003e\u003cstrong\u003eFor IBM WebSphere Application Server Liberty 17.0.0.3 - 26.0.0.6 using the servlet-3.0, servlet-3.1, servlet-4.0, servlet-5.0, servlet-6.0, servlet-6.1, websocket-1.0, websocket-1.1, websocket-2.0, websocket-2.1, or websocket-2.2 feature:\u003c/strong\u003e\u003c/p\u003e\u003cp\u003e\u00b7 Upgrade to minimal fix pack levels as required by the interim fix and then apply the Interim Fix that resolves \u003ca href=\"https://www.ibm.com/support/pages/node/7276381\" rel=\"nofollow\"\u003ePH71631\u003c/a\u003e\u003cbr\u003e--OR--\u003cbr\u003e\u00b7 Apply Fix Pack 26.0.0.7 or later (targeted availability 3Q2026).\u003c/p\u003e\u003c/div\u003e\u003cp\u003e\u003cstrong\u003eFor IBM WebSphere Application Server traditional:\u003c/strong\u003e\u003c/p\u003e\u003cp\u003e\u003cstrong\u003eFor V9.0.0.0 through 9.0.5.28:\u003c/strong\u003e\u003cbr\u003e\u00b7 Upgrade to minimal fix pack levels as required by the interim fix and then apply the Interim Fix that resolves \u003ca href=\"https://www.ibm.com/support/pages/node/7276399\" rel=\"nofollow\"\u003ePH71370\u003c/a\u003e\u003cbr\u003e--OR--\u003cbr\u003e\u00b7 Apply Fix Pack 9.0.5.29 or later (targeted availability 3Q2026).\u0026nbsp;\u0026nbsp;\u003c/p\u003e\u003cp\u003e\u003cstrong\u003eFor V8.5.0.0 through 8.5.5.29:\u003c/strong\u003e\u003cbr\u003e\u00b7 Upgrade to minimal fix pack levels as required by interim fix and then apply Interim Fix that resolves \u003ca href=\"https://www.ibm.com/support/pages/node/7276399\" rel=\"nofollow\"\u003ePH71370\u003c/a\u003e\u003cbr\u003e--OR--\u003cbr\u003e\u00b7 Apply Fix Pack 8.5.5.30 or later (targeted availability 3Q2026).\u003c/p\u003e\u003cp\u003e\u003c/p\u003e\u003cp\u003eAdditional interim fixes may be available and linked off the interim fix download page.\u003c/p\u003e"
            }
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        }
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    "assignerShortName": "ibm",
    "cveId": "CVE-2026-9320",
    "datePublished": "2026-06-22T14:53:36.057Z",
    "dateReserved": "2026-05-22T20:33:33.213Z",
    "dateUpdated": "2026-06-22T16:05:22.609Z",
    "state": "PUBLISHED"
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}

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.
Browse all ATT&CK techniques and the vulnerabilities related to each.

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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.

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CNVD-2026-29415

CVE-2026-9320 (GCVE-0-2026-9320)

Tags

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Nomenclature

Related by attack behaviour