Vulnerability-Lookup

GHSA-RG54-X42P-HP27

Vulnerability from github – Published: 2026-08-29 00:31 – Updated: 2026-08-29 00:31

Details

IBM Administration Runtime Expert for i 1R1M0 IBM Application Runtime Expert (ARE) for i could allow a remote attacker to gain elevated privileges, caused by ARE GUI component processing. An unauthenticated attacker can exploit this vulnerability to execute actions under another user's authenticated profile gaining elevated privileges on the IBM i system.

Severity

9.9 (Critical)


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

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{
  "affected": [],
  "aliases": [
    "CVE-2026-18527"
  ],
  "database_specific": {
    "cwe_ids": [
      "CWE-384"
    ],
    "github_reviewed": false,
    "github_reviewed_at": null,
    "nvd_published_at": "2026-08-28T22:16:46Z",
    "severity": "CRITICAL"
  },
  "details": "IBM Administration Runtime Expert for i 1R1M0 IBM Application Runtime Expert (ARE) for i could allow a remote attacker to gain elevated privileges, caused by ARE GUI component processing. An unauthenticated attacker can exploit this vulnerability to execute actions under another user\u0027s authenticated profile gaining elevated privileges on the IBM i system.",
  "id": "GHSA-rg54-x42p-hp27",
  "modified": "2026-08-29T00:31:01Z",
  "published": "2026-08-29T00:31:01Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2026-18527"
    },
    {
      "type": "WEB",
      "url": "https://www.ibm.com/support/pages/node/7284580"
    }
  ],
  "schema_version": "1.4.0",
  "severity": [
    {
      "score": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H",
      "type": "CVSS_V3"
    }
  ]
}

CVE-2026-18527 (GCVE-0-2026-18527)

Vulnerability from cvelistv5 – Published: 2026-08-28 20:48 – Updated: 2026-08-28 20:48

Title

IBM Application Runtime Expert (ARE) for IBM i is vulnerable to a user gaining elevated privileges and sensitive information [, ].

Summary

Severity

9.9 (Critical)


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

CWE

CWE-384 - Session Fixation

Assigner

ibm mitre root

References

1 reference

URL	Tags
https://www.ibm.com/support/pages/node/7284580	vendor-advisorypatch

Impacted products

1 product

Vendor	Product	Version
IBM	Administration Runtime Expert for i	Affected: 1R1M0 cpe:2.3:a:ibm:administration_runtime_expert_for_i:1r1m0:::::::*

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JSON

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{
  "containers": {
    "cna": {
      "affected": [
        {
          "cpes": [
            "cpe:2.3:a:ibm:administration_runtime_expert_for_i:1r1m0:*:*:*:*:*:*:*"
          ],
          "product": "Administration Runtime Expert for i",
          "vendor": "IBM",
          "versions": [
            {
              "status": "affected",
              "version": "1R1M0"
            }
          ]
        }
      ],
      "descriptions": [
        {
          "lang": "en",
          "supportingMedia": [
            {
              "base64": false,
              "type": "text/html",
              "value": "\u003cp\u003eIBM Administration Runtime Expert for i 1R1M0 IBM Application Runtime Expert (ARE) for i could allow a remote attacker to gain elevated privileges, caused by ARE GUI component processing. An unauthenticated attacker can exploit this vulnerability to execute actions under another user\u0027s authenticated profile gaining elevated privileges on the IBM i system.\u003c/p\u003e"
            }
          ],
          "value": "IBM Administration Runtime Expert for i 1R1M0 IBM Application Runtime Expert (ARE) for i could allow a remote attacker to gain elevated privileges, caused by ARE GUI component processing. An unauthenticated attacker can exploit this vulnerability to execute actions under another user\u0027s authenticated profile gaining elevated privileges on the IBM i system."
        }
      ],
      "metrics": [
        {
          "cvssV3_1": {
            "attackComplexity": "LOW",
            "attackVector": "NETWORK",
            "availabilityImpact": "HIGH",
            "baseScore": 9.9,
            "baseSeverity": "CRITICAL",
            "confidentialityImpact": "HIGH",
            "integrityImpact": "HIGH",
            "privilegesRequired": "LOW",
            "scope": "CHANGED",
            "userInteraction": "NONE",
            "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H",
            "version": "3.1"
          },
          "format": "CVSS",
          "scenarios": [
            {
              "lang": "en",
              "value": "GENERAL"
            }
          ]
        }
      ],
      "problemTypes": [
        {
          "descriptions": [
            {
              "cweId": "CWE-384",
              "description": "CWE-384 Session Fixation",
              "lang": "en",
              "type": "CWE"
            }
          ]
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2026-08-28T20:48:33.957Z",
        "orgId": "9a959283-ebb5-44b6-b705-dcc2bbced522",
        "shortName": "ibm"
      },
      "references": [
        {
          "tags": [
            "vendor-advisory",
            "patch"
          ],
          "url": "https://www.ibm.com/support/pages/node/7284580"
        }
      ],
      "solutions": [
        {
          "lang": "en",
          "supportingMedia": [
            {
              "base64": false,
              "type": "text/html",
              "value": "\u003cp\u003e\u003cstrong\u003eIBM strongly recommends addressing the vulnerability now.\u003c/strong\u003e\u003c/p\u003e\u003cdiv\u003e\u003ctable\u003e\u003ccolgroup\u003e\u003ccol/\u003e\u003ccol/\u003e\u003ccol/\u003e\u003c/colgroup\u003e\u003cthead\u003e\u003ctr\u003e\u003ctd\u003e\u003cstrong\u003eRelease\u003c/strong\u003e\u003c/td\u003e\u003ctd\u003e\u003cstrong\u003e5733-ARE\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\u003eV1R1M0\u003c/td\u003e\u003ctd\u003e\u003cp\u003eSJ11185\u003c/p\u003e\u003cp\u003eAfter applying this PTF the legacy ARE GUI is nonfunctional.\u003c/p\u003e\u003c/td\u003e\u003ctd\u003e\u003cp\u003e\u003ca href=\"https://www.ibm.com/mysupport/s/fix-information?legacy=SJ11185\" rel=\"noopener noreferrer nofollow\"\u003ehttps://www.ibm.com/mysupport/s/fix-information?legacy=SJ11185\u003c/a\u003e\u003c/p\u003e\u003c/td\u003e\u003c/tr\u003e\u003c/tbody\u003e\u003c/table\u003e\u003c/div\u003e\u003cp\u003e\u003c/p\u003e"
            }
          ],
          "value": "IBM strongly recommends addressing the vulnerability now.\n\nRelease5733-ARE\nPTF Number(s)PTF Download Link(s)V1R1M0\n\nSJ11185\n\n\n\nAfter applying this PTF the legacy ARE GUI is nonfunctional.\n\n\n\n https://www.ibm.com/mysupport/s/fix-information?legacy=SJ11185"
        }
      ],
      "title": "IBM Application Runtime Expert (ARE) for IBM i is vulnerable to a user gaining elevated privileges and sensitive information [, ]."
    }
  },
  "cveMetadata": {
    "assignerOrgId": "9a959283-ebb5-44b6-b705-dcc2bbced522",
    "assignerShortName": "ibm",
    "cveId": "CVE-2026-18527",
    "datePublished": "2026-08-28T20:48:33.957Z",
    "dateReserved": "2026-07-31T19:47:47.809Z",
    "dateUpdated": "2026-08-28T20:48:33.957Z",
    "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.

Action not permitted

GHSA-RG54-X42P-HP27

CVE-2026-18527 (GCVE-0-2026-18527)

Tags

Sightings

Nomenclature