Vulnerability-Lookup

CVE-2026-13433 (GCVE-0-2026-13433)

Vulnerability from cvelistv5 – Published: 2026-08-12 20:44 – Updated: 2026-08-13 14:08

Title

IBM i Access Client Solutions (ACS) is Affected By Multiple Vulnerabilities

Summary

IBM i Access Client Solutions 1.1.2.0 through 1.1.9.13 (ACS) is vulnerable to downloading unverified product code when configured to update from an IBM i. A bad actor could use this vulnerablity to run compromised code on the ACS user's workstation.

Severity

8.3 (High)


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

SSVC

Exploitation: none Automatable: no Technical Impact: total

CISA Coordinator · CISA-ADP (v2.0.3)

Decision recorded 2026-08-13 14:08 UTC

CWE

CWE-494 - Download of Code Without Integrity Check

Assigner

ibm

References

1 reference

URL	Tags
https://www.ibm.com/support/pages/node/7282954	vendor-advisorypatch

Impacted products

1 product

Vendor	Product	Version	CPE status
IBM	i Access Client Solutions	Affected: 1.1.2.0 , ≤ 1.1.9.13 (semver) cpe:2.3:a:ibm:i_access_client_solutions:1.1.2.0:::::::* cpe:2.3:a:ibm:i_access_client_solutions:1.1.9.13:::::::*

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JSON

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                "id": "CVE-2026-13433",
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              "value": "\u003cp\u003eThe issues can be fixed by upgrading to version 1.1.9.14 or later.\u00a0 \u00a0See \u003ca href=\"https://www.ibm.com/support/pages/ibm-i-access-client-solutions-5733xj1\" rel=\"nofollow\"\u003eIBM i Access Client Solutions updates\u003c/a\u003e for the latest version available.\u003c/p\u003e\u003cdiv\u003e\u003cdiv\u003e\u003cdiv\u003e\u003ctable\u003e\u003ccolgroup\u003e\u003ccol/\u003e\u003ccol/\u003e\u003ccol/\u003e\u003c/colgroup\u003e\u003ctbody\u003e\u003ctr\u003e\u003ctd\u003eProduct(s)\u003c/td\u003e\u003ctd\u003eVersion(s)\u003c/td\u003e\u003ctd\u003eRemediation/Fix/Instructions\u00a0\u003c/td\u003e\u003c/tr\u003e\u003ctr\u003e\u003ctd\u003eIBM i Access Client Solutions\u003c/td\u003e\u003ctd\u003e1.1.2.0 - 1.1.9.13\u003c/td\u003e\u003ctd\u003e\u003cp\u003eThere are three ways to obtain the current version of IBM i Access Client Solutions:\u003c/p\u003e\u003cp\u003e1) IBM i Access Client Solutions is available at \u003ca href=\"https://www.ibm.com/resources/mrs/assets?source=swg-ia\" rel=\"nofollow\"\u003eDownloads.\u003c/a\u003e\u003c/p\u003e\u003cp\u003e2) IBM i Access Client Solutions can be downloaded from the general IBM i software site at\u00a0\u003ca href=\"https://www.ibm.com/servers/eserver/ess/landing/index.html\" rel=\"nofollow\"\u003eEntitled Systems Support (ESS)\u003c/a\u003e.\u003c/p\u003e\u003cul\u003e\u003cli\u003eID:\u00a0LCD8-2010-43\u00a0\u003c/li\u003e\u003c/ul\u003e\u003cp\u003e3) IBM i Access Client Solutions is available by applying a PTF to IBM i.\u003c/p\u003e\u003cdiv\u003e\u003cdiv\u003e\u003cdiv\u003e\u003ctable\u003e\u003ccolgroup\u003e\u003ccol/\u003e\u003ccol/\u003e\u003ccol/\u003e\u003c/colgroup\u003e\u003ctbody\u003e\u003ctr\u003e\u003ctd\u003eIBM i Release\u003c/td\u003e\u003ctd\u003e5770-SS1\u003cbr/\u003ePTF Number(s)\u003c/td\u003e\u003ctd\u003ePTF Download Link(s)\u003c/td\u003e\u003c/tr\u003e\u003ctr\u003e\u003ctd\u003e7.6\u003c/td\u003e\u003ctd\u003eSJ11046\u003c/td\u003e\u003ctd\u003e\u003ca href=\"https://www.ibm.com/mysupport/s/fix-information?legacy=SJ11046\" rel=\"nofollow\"\u003ehttps://www.ibm.com/mysupport/s/fix-information?legacy=SJ11046\u003c/a\u003e\u003c/td\u003e\u003c/tr\u003e\u003ctr\u003e\u003ctd\u003e7.5\u003c/td\u003e\u003ctd\u003eSJ11044\u003c/td\u003e\u003ctd\u003e\u003ca href=\"https://www.ibm.com/mysupport/s/fix-information?legacy=SJ11044\" rel=\"nofollow\"\u003ehttps://www.ibm.com/mysupport/s/fix-information?legacy=SJ11044\u003c/a\u003e\u003c/td\u003e\u003c/tr\u003e\u003ctr\u003e\u003ctd\u003e7.4\u003c/td\u003e\u003ctd\u003eSJ11045\u003c/td\u003e\u003ctd\u003e\u003ca href=\"https://www.ibm.com/mysupport/s/fix-information?legacy=SJ11045\" rel=\"nofollow\"\u003ehttps://www.ibm.com/mysupport/s/fix-information?legacy=SJ11045\u003c/a\u003e\u003c/td\u003e\u003c/tr\u003e\u003ctr\u003e\u003ctd\u003e7.3\u003c/td\u003e\u003ctd\u003eSJ11043\u003c/td\u003e\u003ctd\u003e\u003ca href=\"https://www.ibm.com/mysupport/s/fix-information?legacy=SJ11043\" rel=\"nofollow\"\u003ehttps://www.ibm.com/mysupport/s/fix-information?legacy=SJ11043\u003c/a\u003e\u003c/td\u003e\u003c/tr\u003e\u003c/tbody\u003e\u003c/table\u003e\u003c/div\u003e\u003c/div\u003e\u003c/div\u003e\u003cp\u003e\u003c/p\u003e\u003c/td\u003e\u003c/tr\u003e\u003c/tbody\u003e\u003c/table\u003e\u003c/div\u003e\u003c/div\u003e\u003c/div\u003e"
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          "value": "The issues can be fixed by upgrading to version 1.1.9.14 or later.\u00a0 \u00a0See  https://www.ibm.com/mysupport/s/fix-information?legacy=SJ11046 7.5SJ11044 https://www.ibm.com/mysupport/s/fix-information?legacy=SJ11044 7.4SJ11045 https://www.ibm.com/mysupport/s/fix-information?legacy=SJ11045 7.3SJ11043 https://www.ibm.com/mysupport/s/fix-information?legacy=SJ11043"
        }
      ],
      "title": "IBM i Access Client Solutions (ACS) is Affected By Multiple Vulnerabilities"
    }
  },
  "cveMetadata": {
    "assignerOrgId": "9a959283-ebb5-44b6-b705-dcc2bbced522",
    "assignerShortName": "ibm",
    "cveId": "CVE-2026-13433",
    "datePublished": "2026-08-12T20:44:47.991Z",
    "dateReserved": "2026-06-26T14:37:01.533Z",
    "dateUpdated": "2026-08-13T14:08:50.520Z",
    "state": "PUBLISHED"
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    "epss": {
      "cve": "CVE-2026-13433",
      "date": "2026-08-16",
      "epss": "0.0011",
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    },
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      "containers": "{\"adp\": [{\"title\": \"CISA ADP Vulnrichment\", \"metrics\": [{\"other\": {\"type\": \"ssvc\", \"content\": {\"id\": \"CVE-2026-13433\", \"role\": \"CISA Coordinator\", \"options\": [{\"Exploitation\": \"none\"}, {\"Automatable\": \"no\"}, {\"Technical Impact\": \"total\"}], \"version\": \"2.0.3\", \"timestamp\": \"2026-08-13T14:08:41.054578Z\"}}}], \"providerMetadata\": {\"orgId\": \"134c704f-9b21-4f2e-91b3-4a467353bcc0\", \"shortName\": \"CISA-ADP\", \"dateUpdated\": \"2026-08-13T14:08:45.876Z\"}}], \"cna\": {\"title\": \"IBM i Access Client Solutions (ACS) is Affected By Multiple Vulnerabilities\", \"metrics\": [{\"format\": \"CVSS\", \"cvssV3_1\": {\"scope\": \"CHANGED\", \"version\": \"3.1\", \"baseScore\": 8.3, \"attackVector\": \"ADJACENT_NETWORK\", \"baseSeverity\": \"HIGH\", \"vectorString\": \"CVSS:3.1/AV:A/AC:H/PR:N/UI:N/S:C/C:H/I:H/A:H\", \"integrityImpact\": \"HIGH\", \"userInteraction\": \"NONE\", \"attackComplexity\": \"HIGH\", \"availabilityImpact\": \"HIGH\", \"privilegesRequired\": \"NONE\", \"confidentialityImpact\": \"HIGH\"}, \"scenarios\": [{\"lang\": \"en\", \"value\": \"GENERAL\"}]}], \"affected\": [{\"cpes\": [\"cpe:2.3:a:ibm:i_access_client_solutions:1.1.2.0:*:*:*:*:*:*:*\", \"cpe:2.3:a:ibm:i_access_client_solutions:1.1.9.13:*:*:*:*:*:*:*\"], \"vendor\": \"IBM\", \"product\": \"i Access Client Solutions\", \"versions\": [{\"status\": \"affected\", \"version\": \"1.1.2.0\", \"versionType\": \"semver\", \"lessThanOrEqual\": \"1.1.9.13\"}]}], \"solutions\": [{\"lang\": \"en\", \"value\": \"The issues can be fixed by upgrading to version 1.1.9.14 or later.\\u00a0 \\u00a0See  https://www.ibm.com/mysupport/s/fix-information?legacy=SJ11046 7.5SJ11044 https://www.ibm.com/mysupport/s/fix-information?legacy=SJ11044 7.4SJ11045 https://www.ibm.com/mysupport/s/fix-information?legacy=SJ11045 7.3SJ11043 https://www.ibm.com/mysupport/s/fix-information?legacy=SJ11043\", \"supportingMedia\": [{\"type\": \"text/html\", \"value\": \"\u003cp\u003eThe issues can be fixed by upgrading to version 1.1.9.14 or later.\\u00a0 \\u00a0See \u003ca href=\\\"https://www.ibm.com/support/pages/ibm-i-access-client-solutions-5733xj1\\\" rel=\\\"nofollow\\\"\u003eIBM i Access Client Solutions updates\u003c/a\u003e for the latest version available.\u003c/p\u003e\u003cdiv\u003e\u003cdiv\u003e\u003cdiv\u003e\u003ctable\u003e\u003ccolgroup\u003e\u003ccol/\u003e\u003ccol/\u003e\u003ccol/\u003e\u003c/colgroup\u003e\u003ctbody\u003e\u003ctr\u003e\u003ctd\u003eProduct(s)\u003c/td\u003e\u003ctd\u003eVersion(s)\u003c/td\u003e\u003ctd\u003eRemediation/Fix/Instructions\\u00a0\u003c/td\u003e\u003c/tr\u003e\u003ctr\u003e\u003ctd\u003eIBM i Access Client Solutions\u003c/td\u003e\u003ctd\u003e1.1.2.0 - 1.1.9.13\u003c/td\u003e\u003ctd\u003e\u003cp\u003eThere are three ways to obtain the current version of IBM i Access Client Solutions:\u003c/p\u003e\u003cp\u003e1) IBM i Access Client Solutions is available at \u003ca href=\\\"https://www.ibm.com/resources/mrs/assets?source=swg-ia\\\" rel=\\\"nofollow\\\"\u003eDownloads.\u003c/a\u003e\u003c/p\u003e\u003cp\u003e2) IBM i Access Client Solutions can be downloaded from the general IBM i software site at\\u00a0\u003ca href=\\\"https://www.ibm.com/servers/eserver/ess/landing/index.html\\\" rel=\\\"nofollow\\\"\u003eEntitled Systems Support (ESS)\u003c/a\u003e.\u003c/p\u003e\u003cul\u003e\u003cli\u003eID:\\u00a0LCD8-2010-43\\u00a0\u003c/li\u003e\u003c/ul\u003e\u003cp\u003e3) IBM i Access Client Solutions is available by applying a PTF to IBM i.\u003c/p\u003e\u003cdiv\u003e\u003cdiv\u003e\u003cdiv\u003e\u003ctable\u003e\u003ccolgroup\u003e\u003ccol/\u003e\u003ccol/\u003e\u003ccol/\u003e\u003c/colgroup\u003e\u003ctbody\u003e\u003ctr\u003e\u003ctd\u003eIBM i Release\u003c/td\u003e\u003ctd\u003e5770-SS1\u003cbr/\u003ePTF Number(s)\u003c/td\u003e\u003ctd\u003ePTF Download Link(s)\u003c/td\u003e\u003c/tr\u003e\u003ctr\u003e\u003ctd\u003e7.6\u003c/td\u003e\u003ctd\u003eSJ11046\u003c/td\u003e\u003ctd\u003e\u003ca href=\\\"https://www.ibm.com/mysupport/s/fix-information?legacy=SJ11046\\\" rel=\\\"nofollow\\\"\u003ehttps://www.ibm.com/mysupport/s/fix-information?legacy=SJ11046\u003c/a\u003e\u003c/td\u003e\u003c/tr\u003e\u003ctr\u003e\u003ctd\u003e7.5\u003c/td\u003e\u003ctd\u003eSJ11044\u003c/td\u003e\u003ctd\u003e\u003ca href=\\\"https://www.ibm.com/mysupport/s/fix-information?legacy=SJ11044\\\" rel=\\\"nofollow\\\"\u003ehttps://www.ibm.com/mysupport/s/fix-information?legacy=SJ11044\u003c/a\u003e\u003c/td\u003e\u003c/tr\u003e\u003ctr\u003e\u003ctd\u003e7.4\u003c/td\u003e\u003ctd\u003eSJ11045\u003c/td\u003e\u003ctd\u003e\u003ca href=\\\"https://www.ibm.com/mysupport/s/fix-information?legacy=SJ11045\\\" rel=\\\"nofollow\\\"\u003ehttps://www.ibm.com/mysupport/s/fix-information?legacy=SJ11045\u003c/a\u003e\u003c/td\u003e\u003c/tr\u003e\u003ctr\u003e\u003ctd\u003e7.3\u003c/td\u003e\u003ctd\u003eSJ11043\u003c/td\u003e\u003ctd\u003e\u003ca href=\\\"https://www.ibm.com/mysupport/s/fix-information?legacy=SJ11043\\\" rel=\\\"nofollow\\\"\u003ehttps://www.ibm.com/mysupport/s/fix-information?legacy=SJ11043\u003c/a\u003e\u003c/td\u003e\u003c/tr\u003e\u003c/tbody\u003e\u003c/table\u003e\u003c/div\u003e\u003c/div\u003e\u003c/div\u003e\u003cp\u003e\u003c/p\u003e\u003c/td\u003e\u003c/tr\u003e\u003c/tbody\u003e\u003c/table\u003e\u003c/div\u003e\u003c/div\u003e\u003c/div\u003e\", \"base64\": false}]}], \"references\": [{\"url\": \"https://www.ibm.com/support/pages/node/7282954\", \"tags\": [\"vendor-advisory\", \"patch\"]}], \"descriptions\": [{\"lang\": \"en\", \"value\": \"IBM i Access Client Solutions 1.1.2.0 through 1.1.9.13 (ACS) is vulnerable to downloading unverified product code when configured to update from an IBM i. 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}

FKIE_CVE-2026-13433

Vulnerability from fkie_nvd - Published: 2026-08-12 21:17 - Updated: 2026-08-13 20:59

Severity

8.3 (High) - CVSS:3.1/AV:A/AC:H/PR:N/UI:N/S:C/C:H/I:H/A:H

Summary

References

	URL	Tags
	psirt@us.ibm.com	https://www.ibm.com/support/pages/node/7282954

Impacted products

	Vendor	Product	Version

JSON

To clipboard

{
  "affected": [
    {
      "affectedData": [
        {
          "cpes": [
            "cpe:2.3:a:ibm:i_access_client_solutions:1.1.2.0:*:*:*:*:*:*:*",
            "cpe:2.3:a:ibm:i_access_client_solutions:1.1.9.13:*:*:*:*:*:*:*"
          ],
          "product": "i Access Client Solutions",
          "vendor": "IBM",
          "versions": [
            {
              "lessThanOrEqual": "1.1.9.13",
              "status": "affected",
              "version": "1.1.2.0",
              "versionType": "semver"
            }
          ]
        }
      ],
      "source": "psirt@us.ibm.com"
    }
  ],
  "cveTags": [],
  "descriptions": [
    {
      "lang": "en",
      "value": "IBM i Access Client Solutions 1.1.2.0 through 1.1.9.13 (ACS) is vulnerable to downloading unverified product code when configured to update from an IBM i. A bad actor could use this vulnerablity to run compromised code on the ACS user\u0027s workstation."
    }
  ],
  "id": "CVE-2026-13433",
  "lastModified": "2026-08-13T20:59:20.483",
  "metrics": {
    "cvssMetricV31": [
      {
        "cvssData": {
          "attackComplexity": "HIGH",
          "attackVector": "ADJACENT_NETWORK",
          "availabilityImpact": "HIGH",
          "baseScore": 8.3,
          "baseSeverity": "HIGH",
          "confidentialityImpact": "HIGH",
          "integrityImpact": "HIGH",
          "privilegesRequired": "NONE",
          "scope": "CHANGED",
          "userInteraction": "NONE",
          "vectorString": "CVSS:3.1/AV:A/AC:H/PR:N/UI:N/S:C/C:H/I:H/A:H",
          "version": "3.1"
        },
        "exploitabilityScore": 1.6,
        "impactScore": 6.0,
        "source": "psirt@us.ibm.com",
        "type": "Secondary"
      }
    ],
    "ssvcV203": [
      {
        "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
        "ssvcData": {
          "id": "CVE-2026-13433",
          "options": [
            {
              "exploitation": "none"
            },
            {
              "automatable": "no"
            },
            {
              "technicalImpact": "total"
            }
          ],
          "role": "CISA Coordinator",
          "timestamp": "2026-08-13T14:08:41.054578Z",
          "version": "2.0.3"
        }
      }
    ]
  },
  "published": "2026-08-12T21:17:35.380",
  "references": [
    {
      "source": "psirt@us.ibm.com",
      "url": "https://www.ibm.com/support/pages/node/7282954"
    }
  ],
  "sourceIdentifier": "psirt@us.ibm.com",
  "vulnStatus": "Awaiting Analysis",
  "weaknesses": [
    {
      "description": [
        {
          "lang": "en",
          "value": "CWE-494"
        }
      ],
      "source": "psirt@us.ibm.com",
      "type": "Secondary"
    }
  ]
}

GHSA-QR9X-RPFX-J6H7

Vulnerability from github – Published: 2026-08-12 21:31 – Updated: 2026-08-12 21:31

Details

Severity

8.3 (High)


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

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{
  "affected": [],
  "aliases": [
    "CVE-2026-13433"
  ],
  "database_specific": {
    "cwe_ids": [
      "CWE-494"
    ],
    "github_reviewed": false,
    "github_reviewed_at": null,
    "nvd_published_at": "2026-08-12T21:17:35Z",
    "severity": "HIGH"
  },
  "details": "IBM i Access Client Solutions 1.1.2.0 through 1.1.9.13 (ACS) is vulnerable to downloading unverified product code when configured to update from an IBM i. A bad actor could use this vulnerablity to run compromised code on the ACS user\u0027s workstation.",
  "id": "GHSA-qr9x-rpfx-j6h7",
  "modified": "2026-08-12T21:31:44Z",
  "published": "2026-08-12T21:31:44Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2026-13433"
    },
    {
      "type": "WEB",
      "url": "https://www.ibm.com/support/pages/node/7282954"
    }
  ],
  "schema_version": "1.4.0",
  "severity": [
    {
      "score": "CVSS:3.1/AV:A/AC:H/PR:N/UI:N/S:C/C:H/I:H/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-2026-13433 (GCVE-0-2026-13433)

FKIE_CVE-2026-13433

GHSA-QR9X-RPFX-J6H7

Tags

Sightings

Nomenclature