Vulnerability-Lookup

CVE-2026-2311 (GCVE-0-2026-2311)

Vulnerability from cvelistv5 – Published: 2026-04-30 21:45 – Updated: 2026-05-02 03:55

Title

IBM i is affected by a privilege escalation vulnerability in Web Administration GUI []

Summary

IBM i 7.6, 7.5, 7.4, 7.3, and 7.2 s vulnerable to privilege escalation caused by an invalid IBM i Web Administration GUI authorization check. A malicious actor could cause user-controlled code to run with administrator privilege.

Severity

6.4 (Medium)


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

SSVC

Exploitation: none Automatable: no Technical Impact: total

CISA Coordinator · CISA-ADP (v2.0.3)

Decision recorded 2026-05-01 00:00 UTC

CWE

CWE-284 - Improper Access Control

Assigner

ibm mitre root

References

1 reference

URL	Tags
https://www.ibm.com/support/pages/node/7269560	vendor-advisorypatch

Impacted products

1 product

Vendor	Product	Version	CPE status
IBM	i	Affected: 7.6.0 , ≤ 2.3.0 (semver) Affected: 7.5.0 Affected: 7.4.0 Affected: 7.3.0 Affected: 7.2.0 cpe:2.3:a:ibm:i:7.6.0:::::::* cpe:2.3:a:ibm:i:7.5.0:::::::* cpe:2.3:a:ibm:i:7.4.0:::::::* cpe:2.3:a:ibm:i:7.3.0:::::::* cpe:2.3:a:ibm:i:7.2.0:::::::*

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                  "value": "\u003cp\u003e\u003cstrong\u003eIBM strongly recommends addressing the vulnerability now.\u003c/strong\u003e\u003c/p\u003e\u003cdiv\u003e\u003ctable\u003e\u003cthead\u003e\u003ctr\u003e\u003ctd\u003e\u003cstrong\u003eIBM i Release\u003c/strong\u003e\u003c/td\u003e\u003ctd\u003e\u003cstrong\u003e5770-DG1\u003cbr\u003ePTF Number(s)\u003c/strong\u003e\u003c/td\u003e\u003ctd\u003e\u003cstrong\u003ePTF Download Link(s)\u003c/strong\u003e\u003c/td\u003e\u003c/tr\u003e\u003c/thead\u003e\u003ctbody\u003e\u003ctr\u003e\u003ctd\u003e7.6\u003c/td\u003e\u003ctd\u003eSJ08417\u003c/td\u003e\u003ctd\u003e\u003ca href=\"https://www.ibm.com/mysupport/s/fix-information?legacy=SJ08417\" rel=\"noopener noreferrer nofollow\"\u003ehttps://www.ibm.com/mysupport/s/fix-information?legacy=SJ08417\u003c/a\u003e\u003c/td\u003e\u003c/tr\u003e\u003ctr\u003e\u003ctd\u003e7.5\u003c/td\u003e\u003ctd\u003eSJ08418\u003c/td\u003e\u003ctd\u003e\u003ca href=\"https://www.ibm.com/mysupport/s/fix-information?legacy=SJ08418\" rel=\"noopener noreferrer nofollow\"\u003ehttps://www.ibm.com/mysupport/s/fix-information?legacy=SJ08418\u003c/a\u003e\u003c/td\u003e\u003c/tr\u003e\u003ctr\u003e\u003ctd\u003e7.4\u003c/td\u003e\u003ctd\u003eSJ08419\u003c/td\u003e\u003ctd\u003e\u003ca href=\"https://www.ibm.com/mysupport/s/fix-information?legacy=SJ08419\" rel=\"noopener noreferrer nofollow\"\u003ehttps://www.ibm.com/mysupport/s/fix-information?legacy=SJ08419\u003c/a\u003e\u003c/td\u003e\u003c/tr\u003e\u003ctr\u003e\u003ctd\u003e7.3\u003c/td\u003e\u003ctd\u003eSJ08604\u003c/td\u003e\u003ctd\u003e\u003ca href=\"https://www.ibm.com/mysupport/s/fix-information?legacy=SJ08604\" rel=\"noopener noreferrer nofollow\"\u003ehttps://www.ibm.com/mysupport/s/fix-information?legacy=SJ08604\u003c/a\u003e\u003c/td\u003e\u003c/tr\u003e\u003ctr\u003e\u003ctd\u003e7.2\u003c/td\u003e\u003ctd\u003eSJ08818\u003c/td\u003e\u003ctd\u003e\u003ca href=\"https://www.ibm.com/mysupport/s/fix-information?legacy=SJ08818\" rel=\"noopener noreferrer nofollow\"\u003ehttps://www.ibm.com/mysupport/s/fix-information?legacy=SJ08818\u003c/a\u003e\u003c/td\u003e\u003c/tr\u003e\u003c/tbody\u003e\u003c/table\u003e\u003c/div\u003e\u003cp\u003eIBM recommends users running unsupported versions of affected products upgrade to a supported and fixed version of affected products.\u003c/p\u003e"
                }
              ],
              "value": "IBM strongly recommends addressing the vulnerability now.\n\nIBM i Release5770-DG1\nPTF Number(s)PTF Download Link(s)7.6SJ08417 https://www.ibm.com/mysupport/s/fix-information?legacy=SJ08417 7.5SJ08418 https://www.ibm.com/mysupport/s/fix-information?legacy=SJ08418 7.4SJ08419 https://www.ibm.com/mysupport/s/fix-information?legacy=SJ08419 7.3SJ08604 https://www.ibm.com/mysupport/s/fix-information?legacy=SJ08604 7.2SJ08818 https://www.ibm.com/mysupport/s/fix-information?legacy=SJ08818 \n\n\n\nIBM recommends users running unsupported versions of affected products upgrade to a supported and fixed version of affected products."
            }
          ],
          "title": "IBM i is affected by a privilege escalation vulnerability in Web Administration GUI []",
          "x_generator": {
            "engine": "ibm-cvegen"
          }
        }
      },
      "cveMetadata": {
        "assignerOrgId": "9a959283-ebb5-44b6-b705-dcc2bbced522",
        "assignerShortName": "ibm",
        "cveId": "CVE-2026-2311",
        "datePublished": "2026-04-30T21:45:08.343Z",
        "dateReserved": "2026-02-10T21:39:52.444Z",
        "dateUpdated": "2026-05-02T03:55:31.329Z",
        "state": "PUBLISHED"
      },
      "dataType": "CVE_RECORD",
      "dataVersion": "5.2"
    }
  }
}

CNVD-2026-19712

Vulnerability from cnvd - Published: 2026-05-09

Title

IBM i Web Administration GUI权限提升漏洞

Description

IBM i是一款由IBM开发的集成操作系统，主要用于IBM Power Systems服务器，提供数据库、网络和应用服务。 IBM i存在权限提升漏洞。该漏洞源于Web Administration GUI的授权检查无效，攻击者可利用该漏洞导致用户控制代码以管理员权限运行。

Severity

中

Patch Name

IBM i Web Administration GUI权限提升漏洞的补丁

Patch Description

IBM i是一款由IBM开发的集成操作系统，主要用于IBM Power Systems服务器，提供数据库、网络和应用服务。 IBM i存在权限提升漏洞。该漏洞源于Web Administration GUI的授权检查无效，攻击者可利用该漏洞导致用户控制代码以管理员权限运行。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

厂商已发布了漏洞修复程序，请及时关注更新： https://www.ibm.com/support/pages/node/7269560

Reference

https://nvd.nist.gov/vuln/detail/CVE-2026-2311

Impacted products

Name
['IBM IBM i 7.2', 'IBM IBM i 7.3', 'IBM IBM i 7.4', 'IBM IBM i 7.5', 'IBM IBM i 7.6']

Show details on source website

JSON

To clipboard

{
  "cves": {
    "cve": {
      "cveNumber": "CVE-2026-2311",
      "cveUrl": "https://nvd.nist.gov/vuln/detail/CVE-2026-2311"
    }
  },
  "description": "IBM i\u662f\u4e00\u6b3e\u7531IBM\u5f00\u53d1\u7684\u96c6\u6210\u64cd\u4f5c\u7cfb\u7edf\uff0c\u4e3b\u8981\u7528\u4e8eIBM Power Systems\u670d\u52a1\u5668\uff0c\u63d0\u4f9b\u6570\u636e\u5e93\u3001\u7f51\u7edc\u548c\u5e94\u7528\u670d\u52a1\u3002\n\nIBM i\u5b58\u5728\u6743\u9650\u63d0\u5347\u6f0f\u6d1e\u3002\u8be5\u6f0f\u6d1e\u6e90\u4e8eWeb Administration GUI\u7684\u6388\u6743\u68c0\u67e5\u65e0\u6548\uff0c\u653b\u51fb\u8005\u53ef\u5229\u7528\u8be5\u6f0f\u6d1e\u5bfc\u81f4\u7528\u6237\u63a7\u5236\u4ee3\u7801\u4ee5\u7ba1\u7406\u5458\u6743\u9650\u8fd0\u884c\u3002",
  "formalWay": "\u5382\u5546\u5df2\u53d1\u5e03\u4e86\u6f0f\u6d1e\u4fee\u590d\u7a0b\u5e8f\uff0c\u8bf7\u53ca\u65f6\u5173\u6ce8\u66f4\u65b0\uff1a\r\nhttps://www.ibm.com/support/pages/node/7269560",
  "isEvent": "\u901a\u7528\u8f6f\u786c\u4ef6\u6f0f\u6d1e",
  "number": "CNVD-2026-19712",
  "openTime": "2026-05-09",
  "patchDescription": "IBM i\u662f\u4e00\u6b3e\u7531IBM\u5f00\u53d1\u7684\u96c6\u6210\u64cd\u4f5c\u7cfb\u7edf\uff0c\u4e3b\u8981\u7528\u4e8eIBM Power Systems\u670d\u52a1\u5668\uff0c\u63d0\u4f9b\u6570\u636e\u5e93\u3001\u7f51\u7edc\u548c\u5e94\u7528\u670d\u52a1\u3002\r\n\r\nIBM i\u5b58\u5728\u6743\u9650\u63d0\u5347\u6f0f\u6d1e\u3002\u8be5\u6f0f\u6d1e\u6e90\u4e8eWeb Administration GUI\u7684\u6388\u6743\u68c0\u67e5\u65e0\u6548\uff0c\u653b\u51fb\u8005\u53ef\u5229\u7528\u8be5\u6f0f\u6d1e\u5bfc\u81f4\u7528\u6237\u63a7\u5236\u4ee3\u7801\u4ee5\u7ba1\u7406\u5458\u6743\u9650\u8fd0\u884c\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 i Web Administration GUI\u6743\u9650\u63d0\u5347\u6f0f\u6d1e\u7684\u8865\u4e01",
  "products": {
    "product": [
      "IBM IBM i 7.2",
      "IBM IBM i 7.3",
      "IBM IBM i 7.4",
      "IBM IBM i 7.5",
      "IBM IBM i 7.6"
    ]
  },
  "referenceLink": "https://nvd.nist.gov/vuln/detail/CVE-2026-2311",
  "serverity": "\u4e2d",
  "submitTime": "2026-05-06",
  "title": "IBM i Web Administration GUI\u6743\u9650\u63d0\u5347\u6f0f\u6d1e"
}

FKIE_CVE-2026-2311

Vulnerability from fkie_nvd - Published: 2026-04-30 22:16 - Updated: 2026-06-17 10:30

Severity

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

Summary

References

	URL	Tags
	psirt@us.ibm.com	https://www.ibm.com/support/pages/node/7269560	Vendor Advisory

Impacted products

Vendor	Product	Version
ibm	i	7.2
ibm	i	7.3
ibm	i	7.4
ibm	i	7.5
ibm	i	7.6

JSON

To clipboard

{
  "affected": [
    {
      "affectedData": [
        {
          "cpes": [
            "cpe:2.3:a:ibm:i:7.6.0:*:*:*:*:*:*:*",
            "cpe:2.3:a:ibm:i:7.5.0:*:*:*:*:*:*:*",
            "cpe:2.3:a:ibm:i:7.4.0:*:*:*:*:*:*:*",
            "cpe:2.3:a:ibm:i:7.3.0:*:*:*:*:*:*:*",
            "cpe:2.3:a:ibm:i:7.2.0:*:*:*:*:*:*:*"
          ],
          "product": "i",
          "vendor": "IBM",
          "versions": [
            {
              "lessThanOrEqual": "2.3.0",
              "status": "affected",
              "version": "7.6.0",
              "versionType": "semver"
            },
            {
              "status": "affected",
              "version": "7.5.0"
            },
            {
              "status": "affected",
              "version": "7.4.0"
            },
            {
              "status": "affected",
              "version": "7.3.0"
            },
            {
              "status": "affected",
              "version": "7.2.0"
            }
          ]
        }
      ],
      "source": "psirt@us.ibm.com"
    }
  ],
  "configurations": [
    {
      "nodes": [
        {
          "cpeMatch": [
            {
              "criteria": "cpe:2.3:o:ibm:i:7.2:*:*:*:*:*:*:*",
              "matchCriteriaId": "BD871157-2BB3-4641-B84E-3EA13D24D35A",
              "vulnerable": true
            },
            {
              "criteria": "cpe:2.3:o:ibm:i:7.3:*:*:*:*:*:*:*",
              "matchCriteriaId": "9A49E8C5-7967-42AE-A787-C533D24A63D7",
              "vulnerable": true
            },
            {
              "criteria": "cpe:2.3:o:ibm:i:7.4:*:*:*:*:*:*:*",
              "matchCriteriaId": "92D03306-B6C9-403E-99A2-CE9D8DC3B482",
              "vulnerable": true
            },
            {
              "criteria": "cpe:2.3:o:ibm:i:7.5:*:*:*:*:*:*:*",
              "matchCriteriaId": "F7CCB5BF-08EF-472F-A663-5DE270234F10",
              "vulnerable": true
            },
            {
              "criteria": "cpe:2.3:o:ibm:i:7.6:*:*:*:*:*:*:*",
              "matchCriteriaId": "AFFF96C2-7E0F-4DF9-AF51-3EE357D51095",
              "vulnerable": true
            }
          ],
          "negate": false,
          "operator": "OR"
        }
      ]
    }
  ],
  "cveTags": [],
  "descriptions": [
    {
      "lang": "en",
      "value": "IBM i 7.6, 7.5, 7.4, 7.3, and 7.2 s vulnerable to privilege escalation caused by an invalid IBM i Web Administration GUI authorization check. \u00a0A malicious actor could cause user-controlled code to run with administrator privilege."
    }
  ],
  "id": "CVE-2026-2311",
  "lastModified": "2026-06-17T10:30:45.483",
  "metrics": {
    "cvssMetricV31": [
      {
        "cvssData": {
          "attackComplexity": "HIGH",
          "attackVector": "NETWORK",
          "availabilityImpact": "HIGH",
          "baseScore": 6.4,
          "baseSeverity": "MEDIUM",
          "confidentialityImpact": "HIGH",
          "integrityImpact": "HIGH",
          "privilegesRequired": "HIGH",
          "scope": "UNCHANGED",
          "userInteraction": "REQUIRED",
          "vectorString": "CVSS:3.1/AV:N/AC:H/PR:H/UI:R/S:U/C:H/I:H/A:H",
          "version": "3.1"
        },
        "exploitabilityScore": 0.5,
        "impactScore": 5.9,
        "source": "psirt@us.ibm.com",
        "type": "Secondary"
      },
      {
        "cvssData": {
          "attackComplexity": "LOW",
          "attackVector": "NETWORK",
          "availabilityImpact": "HIGH",
          "baseScore": 9.8,
          "baseSeverity": "CRITICAL",
          "confidentialityImpact": "HIGH",
          "integrityImpact": "HIGH",
          "privilegesRequired": "NONE",
          "scope": "UNCHANGED",
          "userInteraction": "NONE",
          "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H",
          "version": "3.1"
        },
        "exploitabilityScore": 3.9,
        "impactScore": 5.9,
        "source": "nvd@nist.gov",
        "type": "Primary"
      }
    ],
    "ssvcV203": [
      {
        "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
        "ssvcData": {
          "id": "CVE-2026-2311",
          "options": [
            {
              "exploitation": "none"
            },
            {
              "automatable": "no"
            },
            {
              "technicalImpact": "total"
            }
          ],
          "role": "CISA Coordinator",
          "timestamp": "2026-05-01T00:00:00+00:00",
          "version": "2.0.3"
        }
      }
    ]
  },
  "published": "2026-04-30T22:16:25.147",
  "references": [
    {
      "source": "psirt@us.ibm.com",
      "tags": [
        "Vendor Advisory"
      ],
      "url": "https://www.ibm.com/support/pages/node/7269560"
    }
  ],
  "sourceIdentifier": "psirt@us.ibm.com",
  "vulnStatus": "Analyzed",
  "weaknesses": [
    {
      "description": [
        {
          "lang": "en",
          "value": "CWE-284"
        }
      ],
      "source": "psirt@us.ibm.com",
      "type": "Secondary"
    }
  ]
}

GHSA-Q9C4-6V4R-WRMM

Vulnerability from github – Published: 2026-05-01 00:31 – Updated: 2026-05-01 21:31

Details

Severity

6.4 (Medium)


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

Show details on source website

JSON

To clipboard

{
  "affected": [],
  "aliases": [
    "CVE-2026-2311"
  ],
  "database_specific": {
    "cwe_ids": [
      "CWE-284"
    ],
    "github_reviewed": false,
    "github_reviewed_at": null,
    "nvd_published_at": "2026-04-30T22:16:25Z",
    "severity": "MODERATE"
  },
  "details": "IBM i 7.6, 7.5, 7.4, 7.3, and 7.2 s vulnerable to privilege escalation caused by an invalid IBM i Web Administration GUI authorization check. \u00a0A malicious actor could cause user-controlled code to run with administrator privilege.",
  "id": "GHSA-q9c4-6v4r-wrmm",
  "modified": "2026-05-01T21:31:19Z",
  "published": "2026-05-01T00:31:26Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2026-2311"
    },
    {
      "type": "WEB",
      "url": "https://www.ibm.com/support/pages/node/7269560"
    }
  ],
  "schema_version": "1.4.0",
  "severity": [
    {
      "score": "CVSS:3.1/AV:N/AC:H/PR:H/UI:R/S:U/C:H/I:H/A:H",
      "type": "CVSS_V3"
    }
  ]
}

WID-SEC-W-2026-1331

Vulnerability from csaf_certbund - Published: 2026-05-03 22:00 - Updated: 2026-05-03 22:00

Summary

IBM i: Schwachstelle ermöglicht Privilegieneskalation

Severity

Mittel

Scope

1 vulnerability in this advisory, including CVE-2026-2311.

CVE-2026-2311

Known affected: 5 products

Open the full advisory

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.

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.

Action not permitted

CVE-2026-2311 (GCVE-0-2026-2311)

CNVD-2026-19712

FKIE_CVE-2026-2311

GHSA-Q9C4-6V4R-WRMM

WID-SEC-W-2026-1331

Tags

Sightings

Nomenclature

Related by attack behaviour