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CNVD-2026-36569

Vulnerability from cnvd - Published: 2026-09-14

Title

IBM WebSphere Application Server - Liberty权限提升漏洞

Description

IBM WebSphere Application Server - Liberty是IBM推出的一款‌轻量级、模块化的Java运行时环境。 IBM WebSphere Application Server - Liberty存在权限提升漏洞，该漏洞源于使用Liberty collectives时存在权限提升。目前没有详细的漏洞细节提供。

Severity

高

Patch Name

IBM WebSphere Application Server - Liberty权限提升漏洞的补丁

Patch Description

Formal description

目前厂商已发布升级程序修复该安全问题，详情见厂商官网: https://www.ibm.com/support/pages/node/7283489

Reference

https://nvd.nist.gov/vuln/detail/CVE-2026-18499

Impacted products

Name
IBM WebSphere Application Server - Liberty >=17.0.0.3，<=26.0.0.8

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JSON

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    "cve": {
      "cveNumber": "CVE-2026-18499",
      "cveUrl": "https://nvd.nist.gov/vuln/detail/CVE-2026-18499"
    }
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  "formalWay": "\u76ee\u524d\u5382\u5546\u5df2\u53d1\u5e03\u5347\u7ea7\u7a0b\u5e8f\u4fee\u590d\u8be5\u5b89\u5168\u95ee\u9898\uff0c\u8be6\u60c5\u89c1\u5382\u5546\u5b98\u7f51:\r\nhttps://www.ibm.com/support/pages/node/7283489",
  "isEvent": "\u901a\u7528\u8f6f\u786c\u4ef6\u6f0f\u6d1e",
  "number": "CNVD-2026-36569",
  "openTime": "2026-09-14",
  "patchDescription": "IBM WebSphere Application Server - Liberty\u662fIBM\u63a8\u51fa\u7684\u4e00\u6b3e\u200c\u8f7b\u91cf\u7ea7\u3001\u6a21\u5757\u5316\u7684Java\u8fd0\u884c\u65f6\u73af\u5883\u3002\r\n\r\nIBM WebSphere Application Server - Liberty\u5b58\u5728\u6743\u9650\u63d0\u5347\u6f0f\u6d1e\uff0c\u8be5\u6f0f\u6d1e\u6e90\u4e8e\u4f7f\u7528Liberty collectives\u65f6\u5b58\u5728\u6743\u9650\u63d0\u5347\u3002\u76ee\u524d\u6ca1\u6709\u8be6\u7ec6\u7684\u6f0f\u6d1e\u7ec6\u8282\u63d0\u4f9b\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 - Liberty\u6743\u9650\u63d0\u5347\u6f0f\u6d1e\u7684\u8865\u4e01",
  "products": {
    "product": "IBM WebSphere Application Server - Liberty \u003e=17.0.0.3\uff0c\u003c=26.0.0.8"
  },
  "referenceLink": "https://nvd.nist.gov/vuln/detail/CVE-2026-18499",
  "serverity": "\u9ad8",
  "submitTime": "2026-08-20",
  "title": "IBM WebSphere Application Server - Liberty\u6743\u9650\u63d0\u5347\u6f0f\u6d1e"
}

CVE-2026-18499 (GCVE-0-2026-18499)

Vulnerability from cvelistv5 – Published: 2026-08-12 16:25 – Updated: 2026-08-13 03:55

Title

IBM WebSphere Application Server Liberty is affected by a privilege escalation

Summary

IBM WebSphere Application Server - Liberty 17.0.0.3 through 26.0.0.8 is vulnerable to a privilege escalation when using Liberty collectives.

Severity

8.1 (High)


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

SSVC

Exploitation: none Automatable: no Technical Impact: total

CISA Coordinator · CISA-ADP (v2.0.3)

Decision recorded 2026-08-12 00:00 UTC

CWE

CWE-285 - Improper Authorization

Assigner

ibm mitre root

References

1 reference

URL	Tags
https://www.ibm.com/support/pages/node/7283489	vendor-advisorypatch

Impacted products

1 product

Vendor	Product	Version
IBM	WebSphere Application Server - Liberty	Affected: 17.0.0.3 , ≤ 26.0.0.8 (semver) cpe:2.3:a:ibm:websphere_application_server_liberty:17.0.0.3:::::::* cpe:2.3:a:ibm:websphere_application_server_liberty:26.0.0.8:::::::*

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JSON

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    "adp": [
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        "metrics": [
          {
            "other": {
              "content": {
                "id": "CVE-2026-18499",
                "options": [
                  {
                    "Exploitation": "none"
                  },
                  {
                    "Automatable": "no"
                  },
                  {
                    "Technical Impact": "total"
                  }
                ],
                "role": "CISA Coordinator",
                "timestamp": "2026-08-12T00:00:00+00:00",
                "version": "2.0.3"
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              "type": "ssvc"
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          "orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
          "shortName": "CISA-ADP"
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      }
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            "cpe:2.3:a:ibm:websphere_application_server_liberty:17.0.0.3:*:*:*:*:*:*:*",
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          ],
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          "vendor": "IBM",
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              "versionType": "semver"
            }
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            }
          ],
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            "attackComplexity": "LOW",
            "attackVector": "NETWORK",
            "availabilityImpact": "NONE",
            "baseScore": 8.1,
            "baseSeverity": "HIGH",
            "confidentialityImpact": "HIGH",
            "integrityImpact": "HIGH",
            "privilegesRequired": "LOW",
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            "userInteraction": "NONE",
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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 DT497580. To determine if a feature is enabled for IBM WebSphere Application Server Liberty, refer to \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.\u00a0\u003cbr/\u003e\u003cbr/\u003e\u003cstrong\u003eFor IBM WebSphere Application Server Liberty 17.0.0.3 - 26.0.0.8 using the collectiveController-1.0 or collectiveMember-1.0 feature(s):\u00a0\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/7283466\" rel=\"nofollow\"\u003eDT497580\u003c/a\u003e\u003cbr/\u003e--OR--\u003cbr/\u003e\u00b7 Apply Liberty Fix Pack 26.0.0.9 or later (targeted availability 3Q2026).\u00a0\u003cbr/\u003e\u003cbr/\u003eAdditional interim fixes may be available and linked off the interim fix download page.\u003c/p\u003e"
            }
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          "value": "IBM strongly recommends addressing the vulnerability now by applying a currently available interim fix or fix pack that contains the fix for APAR DT497580. To determine if a feature is enabled for IBM WebSphere Application Server Liberty, refer to  How to determine if Liberty is using a specific feature https://www.ibm.com/support/pages/node/6553910 .\u00a0\n\nFor IBM WebSphere Application Server Liberty 17.0.0.3 - 26.0.0.8 using the collectiveController-1.0 or collectiveMember-1.0 feature(s):\u00a0\n\u00b7 Upgrade to minimal fix pack levels as required by the interim fix and then apply the Interim Fix that resolves  DT497580 https://www.ibm.com/support/pages/node/7283466 \n--OR--\n\u00b7 Apply Liberty Fix Pack 26.0.0.9 or later (targeted availability 3Q2026).\u00a0\n\nAdditional interim fixes may be available and linked off the interim fix download page."
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    "dateReserved": "2026-07-31T16:05:24.890Z",
    "dateUpdated": "2026-08-13T03:55:46.982Z",
    "state": "PUBLISHED"
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  "dataType": "CVE_RECORD",
  "dataVersion": "5.2"
}

Sightings

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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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CNVD-2026-36569

CVE-2026-18499 (GCVE-0-2026-18499)

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