Vulnerability-Lookup

GHSA-4CCP-CQRH-3W9V

Vulnerability from github – Published: 2026-05-21 15:34 – Updated: 2026-05-21 21:30

Details

This vulnerability is only exploitable on the on-premise version of Apex One and a potential attacker must have access to the Apex One Server and already obtained administrative credentials to the server via some other method to exploit this vulnerability.

Severity

6.7 (Medium)


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

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{
  "affected": [],
  "aliases": [
    "CVE-2026-34926"
  ],
  "database_specific": {
    "cwe_ids": [
      "CWE-23"
    ],
    "github_reviewed": false,
    "github_reviewed_at": null,
    "nvd_published_at": "2026-05-21T14:16:45Z",
    "severity": "MODERATE"
  },
  "details": "A directory traversal vulnerability in the Apex One (on-premise) server could allow a pre-authenticated local attacker to modify a key table on the server to inject malicious code to deploy to agents on affected installations.\n\n\nThis vulnerability is only exploitable on the on-premise version of Apex One and a potential attacker must have access to the Apex One Server and already obtained administrative credentials to the server via some other method to exploit this vulnerability.",
  "id": "GHSA-4ccp-cqrh-3w9v",
  "modified": "2026-05-21T21:30:33Z",
  "published": "2026-05-21T15:34:09Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2026-34926"
    },
    {
      "type": "WEB",
      "url": "https://jvn.jp/en/vu/JVNVU90583059"
    },
    {
      "type": "WEB",
      "url": "https://success.trendmicro.com/en-US/solution/KA-0023430"
    },
    {
      "type": "WEB",
      "url": "https://success.trendmicro.com/ja-JP/solution/KA-0022974"
    },
    {
      "type": "WEB",
      "url": "https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2026-34926"
    },
    {
      "type": "WEB",
      "url": "https://www.jpcert.or.jp/english/at/2026/at260014.html"
    }
  ],
  "schema_version": "1.4.0",
  "severity": [
    {
      "score": "CVSS:3.1/AV:L/AC:H/PR:H/UI:N/S:C/C:H/I:L/A:L",
      "type": "CVSS_V3"
    }
  ]
}

CVE-2026-34926 (GCVE-0-2026-34926)

Vulnerability from cvelistv5 – Published: 2026-05-21 13:03 – Updated: 2026-05-22 12:47

Summary

A directory traversal vulnerability in the Apex One (on-premise) server could allow a pre-authenticated local attacker to modify a key table on the server to inject malicious code to deploy to agents on affected installations. This vulnerability is only exploitable on the on-premise version of Apex One and a potential attacker must have access to the Apex One Server and already obtained administrative credentials to the server via some other method to exploit this vulnerability.

Severity

6.7 (Medium)


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

CWE

CWE-23 - Relative Path Traversal

Assigner

trendmicro

References

4 references

URL	Tags
https://success.trendmicro.com/en-US/solution/KA-…
https://success.trendmicro.com/ja-JP/solution/KA-…
https://jvn.jp/en/vu/JVNVU90583059/
https://www.jpcert.or.jp/english/at/2026/at260014.html

Impacted products

2 products

Vendor	Product	Version
Trend Micro, Inc.	TrendAI Apex One	Affected: 2019 (14.0) , < 14.0.0.17079 (semver) cpe:2.3:a:trendmicro:apexone_op:14.0.0.17079:::::::*
Trend Micro, Inc.	TrendAI Apex One as a Service	Affected: SaaS , < 14.0.20731 (semver) cpe:2.3:a:trendmicro:apexone_saas:14.0.0.20731:::::::*

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{
  "containers": {
    "adp": [
      {
        "metrics": [
          {
            "other": {
              "content": {
                "id": "CVE-2026-34926",
                "options": [
                  {
                    "Exploitation": "active"
                  },
                  {
                    "Automatable": "no"
                  },
                  {
                    "Technical Impact": "total"
                  }
                ],
                "role": "CISA Coordinator",
                "timestamp": "2026-05-22T03:55:44.534070Z",
                "version": "2.0.3"
              },
              "type": "ssvc"
            }
          },
          {
            "other": {
              "content": {
                "dateAdded": "2026-05-21",
                "reference": "https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2026-34926"
              },
              "type": "kev"
            }
          }
        ],
        "providerMetadata": {
          "dateUpdated": "2026-05-22T12:47:07.213Z",
          "orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
          "shortName": "CISA-ADP"
        },
        "references": [
          {
            "tags": [
              "government-resource"
            ],
            "url": "https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2026-34926"
          }
        ],
        "title": "CISA ADP Vulnrichment"
      }
    ],
    "cna": {
      "affected": [
        {
          "cpes": [
            "cpe:2.3:a:trendmicro:apexone_op:14.0.0.17079:*:*:*:*:*:*:*"
          ],
          "product": "TrendAI Apex One",
          "vendor": "Trend Micro, Inc.",
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            {
              "lessThan": "14.0.0.17079",
              "status": "affected",
              "version": "2019 (14.0)",
              "versionType": "semver"
            }
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        },
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          "cpes": [
            "cpe:2.3:a:trendmicro:apexone_saas:14.0.0.20731:*:*:*:*:*:*:*"
          ],
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        }
      ],
      "metrics": [
        {
          "cvssV3_1": {
            "attackComplexity": "HIGH",
            "attackVector": "LOCAL",
            "availabilityImpact": "HIGH",
            "baseScore": 6.7,
            "baseSeverity": "MEDIUM",
            "confidentialityImpact": "HIGH",
            "integrityImpact": "HIGH",
            "privilegesRequired": "LOW",
            "scope": "UNCHANGED",
            "userInteraction": "NONE",
            "vectorString": "CVSS:3.1/AV:L/AC:H/PR:H/UI:N/S:C/C:H/I:L/A:L",
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        },
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        },
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  "cveMetadata": {
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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.

Action not permitted

GHSA-4CCP-CQRH-3W9V

CVE-2026-34926 (GCVE-0-2026-34926)

Tags

Sightings

Nomenclature