Vulnerability-Lookup

GHSA-WJF9-5G6M-RGCR

Vulnerability from github – Published: 2026-03-10 18:31 – Updated: 2026-03-10 18:31

Details

If a legitimate user confirms a self-update prompt or initiate an installation of a CODESYS Development System, a low privileged local attacker can gain elevated rights due to a TOCTOU vulnerability in the CODESYS installer.

Severity ?

7.3 (High)


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

Show details on source website

JSON

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{
  "affected": [],
  "aliases": [
    "CVE-2026-2364"
  ],
  "database_specific": {
    "cwe_ids": [
      "CWE-367"
    ],
    "github_reviewed": false,
    "github_reviewed_at": null,
    "nvd_published_at": "2026-03-10T17:39:29Z",
    "severity": "HIGH"
  },
  "details": "If a legitimate user confirms a self-update prompt or initiate an installation of a CODESYS Development System, a low privileged local attacker can gain elevated rights due to a TOCTOU vulnerability in the CODESYS installer.",
  "id": "GHSA-wjf9-5g6m-rgcr",
  "modified": "2026-03-10T18:31:17Z",
  "published": "2026-03-10T18:31:17Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2026-2364"
    },
    {
      "type": "WEB",
      "url": "https://certvde.com/de/advisories/VDE-2026-012"
    }
  ],
  "schema_version": "1.4.0",
  "severity": [
    {
      "score": "CVSS:3.1/AV:L/AC:L/PR:L/UI:R/S:U/C:H/I:H/A:H",
      "type": "CVSS_V3"
    }
  ]
}

CVE-2026-2364 (GCVE-0-2026-2364)

Vulnerability from cvelistv5 – Published: 2026-03-10 07:22 – Updated: 2026-03-10 16:51

Title

CODESYS Installer TOCTOU Privilege Escalation

Summary

Severity ?

7.3 (High)


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

CWE

CWE-367 - Time-of-check Time-of-use (TOCTOU) Race Condition

Assigner

CERTVDE

References

URL

Tags

https://certvde.com/de/advisories/VDE-2026-012

Impacted products

	Vendor	Product	Version
	CODESYS	CODESYS Installer	Affected: 0.0.0 , < 2.6.1.0 (semver)

Credits

David Ruscheweyh from SEW-EURODRIVE GmbH & Co KG

Show details on NVD website

JSON

To clipboard

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    "adp": [
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        "metrics": [
          {
            "other": {
              "content": {
                "id": "CVE-2026-2364",
                "options": [
                  {
                    "Exploitation": "none"
                  },
                  {
                    "Automatable": "no"
                  },
                  {
                    "Technical Impact": "total"
                  }
                ],
                "role": "CISA Coordinator",
                "timestamp": "2026-03-10T15:39:49.202345Z",
                "version": "2.0.3"
              },
              "type": "ssvc"
            }
          }
        ],
        "providerMetadata": {
          "dateUpdated": "2026-03-10T16:51:59.328Z",
          "orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
          "shortName": "CISA-ADP"
        },
        "title": "CISA ADP Vulnrichment"
      }
    ],
    "cna": {
      "affected": [
        {
          "defaultStatus": "unaffected",
          "product": "CODESYS Installer",
          "vendor": "CODESYS",
          "versions": [
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              "status": "affected",
              "version": "0.0.0",
              "versionType": "semver"
            }
          ]
        }
      ],
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          "type": "finder",
          "user": "00000000-0000-4000-9000-000000000000",
          "value": "David Ruscheweyh from SEW-EURODRIVE GmbH \u0026 Co KG"
        }
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            "attackVector": "LOCAL",
            "availabilityImpact": "HIGH",
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            "baseSeverity": "HIGH",
            "confidentialityImpact": "HIGH",
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        "dateUpdated": "2026-03-10T07:22:42.658Z",
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        }
      ],
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        "defect": [
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        "discovery": "UNKNOWN"
      },
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  },
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}

Sightings

Author	Source	Type	Date

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-WJF9-5G6M-RGCR

CVE-2026-2364 (GCVE-0-2026-2364)

Tags

Sightings

Nomenclature