Vulnerability-Lookup

CVE-2026-4681 (GCVE-0-2026-4681)

Vulnerability from cvelistv5 – Published: 2026-03-23 21:48 – Updated: 2026-03-24 14:49

Previdian

Title

Critical Remote Code Execution vulnerability reported in Windchill

Summary

A critical remote code execution (RCE) vulnerability has been reported in PTC Windchill and PTC FlexPLM. The vulnerability may be exploited through the deserialization of untrusted data. This issue affects Windchill PDMLink: 11.0 M030, 11.1 M020, 11.2.1.0, 12.0.2.0, 12.1.2.0, 13.0.2.0, 13.1.0.0, 13.1.1.0, 13.1.2.0, 13.1.3.0; FlexPLM: 11.0 M030, 11.1 M020, 11.2.1.0, 12.0.0.0, 12.0.2.0, 12.0.3.0, 12.1.2.0, 12.1.3.0, 13.0.2.0, 13.0.3.0.

Severity

9.3 (Critical)


                        
                          CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:L/SI:L/SA:L/AU:Y/R:U/V:C/RE:M/U:Red

SSVC

Exploitation: none Automatable: yes Technical Impact: total

CISA Coordinator · CISA-ADP (v2.0.3)

Decision recorded 2026-03-24 14:48 UTC

CWE

CWE-94 - Improper Control of Generation of Code ('Code Injection')

Assigner

PTC CNA under the icscert root

CNA scorecard – unranked: 4 records in the last 180 days, 10 needed details

References

1 reference

URL	Tags
https://www.ptc.com/en/about/trust-center/advisor…	vendor-advisorymitigation

Impacted products

2 products

Vendor	Product	Version	CPE status
PTC	Windchill PDMLink	Affected: 11.0 M030 (semver) Affected: 11.1 M020 (semver) Affected: 11.2.1.0 (semver) Affected: 12.0.2.0 (semver) Affected: 12.1.2.0 (semver) Affected: 13.0.2.0 (semver) Affected: 13.1.0.0 Affected: 13.1.1.0 Affected: 13.1.2.0 Affected: 13.1.3.0	guessed
PTC	FlexPLM	Affected: 11.0 M030 Affected: 11.1 M020 Affected: 11.2.1.0 Affected: 12.0.0.0 Affected: 12.0.2.0 Affected: 12.0.3.0 Affected: 12.1.2.0 Affected: 12.1.3.0 Affected: 13.0.2.0 Affected: 13.0.3.0	guessed

Previdian

Known Exploited Vulnerability - GCVE BCP-07 Compliant

KEV entry ID: 0ea82e31-a27c-435e-a8a0-7b0a6479463e

Vulnerability ID: CVE-2026-4681

Status: Confirmed

Status Updated: 2026-03-25 15:00 UTC

Exploited: Yes

Timestamps

First Seen: 2026-03-25

Asserted: 2026-03-25

Scope

Notes: KEVIntel entry: Critical Remote Code Execution vulnerability reported in Windchill | Affected: PTC / Windchill PDMLink, FlexPLM | CVSS: 9.3 (CRITICAL) | Used in malware: unknown | Not yet in CISA KEV: True

Evidence

Type: Public Report

Signal: Successful Exploitation

Confidence: 70%

Source: kevintel

Details

Feed	KEVIntel (kevintel.com)
Title	Critical Remote Code Execution vulnerability reported in Windchill
Vendor	PTC
Product	Windchill PDMLink, FlexPLM
Added Date	2026-03-25T15:00:08.000Z
Cvss Score	9.3
Epss Score	None
Cvss Severity	CRITICAL
Epss Percentile	None
Used In Malware	unknown
Ahead Of Cisa Kev	None
Not Yet In Cisa Kev	True

References

Created: 2026-06-19 12:42 UTC | Updated: 2026-06-19 12:42 UTC

Show details on NVD website

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                  "version": "13.0.2.0"
                },
                {
                  "status": "affected",
                  "version": "13.0.3.0"
                }
              ]
            }
          ],
          "descriptions": [
            {
              "lang": "en",
              "supportingMedia": [
                {
                  "base64": false,
                  "type": "text/html",
                  "value": "\u003cdiv\u003e\u003cspan\u003eA critical remote code execution (RCE) vulnerability has been reported in PTC Windchill and PTC FlexPLM. The vulnerability may be exploited through the deserialization of untrusted data.\u003c/span\u003e\u003c/div\u003e\u003cdiv\u003e\u003cp\u003eThis issue affects Windchill PDMLink: 11.0 M030, 11.1 M020, 11.2.1.0, 12.0.2.0, 12.1.2.0, 13.0.2.0, 13.1.0.0, 13.1.1.0, 13.1.2.0, 13.1.3.0; FlexPLM: 11.0 M030, 11.1 M020, 11.2.1.0, 12.0.0.0, 12.0.2.0, 12.0.3.0, 12.1.2.0, 12.1.3.0, 13.0.2.0, 13.0.3.0.\u003c/p\u003e\u003c/div\u003e"
                }
              ],
              "value": "A critical remote code execution (RCE) vulnerability has been reported in PTC Windchill and PTC FlexPLM. The vulnerability may be exploited through the deserialization of untrusted data.\n\nThis issue affects Windchill PDMLink: 11.0 M030, 11.1 M020, 11.2.1.0, 12.0.2.0, 12.1.2.0, 13.0.2.0, 13.1.0.0, 13.1.1.0, 13.1.2.0, 13.1.3.0; FlexPLM: 11.0 M030, 11.1 M020, 11.2.1.0, 12.0.0.0, 12.0.2.0, 12.0.3.0, 12.1.2.0, 12.1.3.0, 13.0.2.0, 13.0.3.0."
            }
          ],
          "impacts": [
            {
              "capecId": "CAPEC-242",
              "descriptions": [
                {
                  "lang": "en",
                  "value": "CAPEC-242 Code Injection"
                }
              ]
            }
          ],
          "metrics": [
            {
              "cvssV4_0": {
                "Automatable": "YES",
                "Recovery": "USER",
                "Safety": "NOT_DEFINED",
                "attackComplexity": "LOW",
                "attackRequirements": "NONE",
                "attackVector": "NETWORK",
                "baseScore": 9.3,
                "baseSeverity": "CRITICAL",
                "exploitMaturity": "NOT_DEFINED",
                "privilegesRequired": "NONE",
                "providerUrgency": "RED",
                "subAvailabilityImpact": "LOW",
                "subConfidentialityImpact": "LOW",
                "subIntegrityImpact": "LOW",
                "userInteraction": "NONE",
                "valueDensity": "CONCENTRATED",
                "vectorString": "CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:L/SI:L/SA:L/AU:Y/R:U/V:C/RE:M/U:Red",
                "version": "4.0",
                "vulnAvailabilityImpact": "HIGH",
                "vulnConfidentialityImpact": "HIGH",
                "vulnIntegrityImpact": "HIGH",
                "vulnerabilityResponseEffort": "MODERATE"
              },
              "format": "CVSS",
              "scenarios": [
                {
                  "lang": "en",
                  "value": "GENERAL"
                }
              ]
            }
          ],
          "problemTypes": [
            {
              "descriptions": [
                {
                  "cweId": "CWE-94",
                  "description": "CWE-94: Improper Control of Generation of Code (\u0027Code Injection\u0027)",
                  "lang": "en",
                  "type": "CWE"
                }
              ]
            }
          ],
          "providerMetadata": {
            "dateUpdated": "2026-03-23T21:48:05.652Z",
            "orgId": "0b655efc-079c-4cb9-9e8d-164871239f4e",
            "shortName": "PTC"
          },
          "references": [
            {
              "tags": [
                "vendor-advisory",
                "mitigation"
              ],
              "url": "https://www.ptc.com/en/about/trust-center/advisory-center/active-advisories/windchill-flexplm-critical-vulnerability?srsltid=AfmBOop3e7Nthx5-BsrjKdpZi50wL6l6Bt21Fz0gUub2cIPgdPGV5bNl"
            }
          ],
          "source": {
            "discovery": "UNKNOWN"
          },
          "title": "Critical Remote Code Execution vulnerability reported in Windchill",
          "x_generator": {
            "engine": "Vulnogram 1.0.1"
          }
        }
      },
      "cveMetadata": {
        "assignerOrgId": "0b655efc-079c-4cb9-9e8d-164871239f4e",
        "assignerShortName": "PTC",
        "cveId": "CVE-2026-4681",
        "datePublished": "2026-03-23T21:48:05.652Z",
        "dateReserved": "2026-03-23T21:42:24.158Z",
        "dateUpdated": "2026-03-24T14:49:43.425Z",
        "state": "PUBLISHED"
      },
      "dataType": "CVE_RECORD",
      "dataVersion": "5.2"
    }
  }
}

FKIE_CVE-2026-4681

Vulnerability from fkie_nvd - Published: 2026-03-23 22:16 - Updated: 2026-06-17 10:57

Previdian

Severity

9.3 (Critical) - CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:L/SI:L/SA:L/AU:Y/R:U/V:C/RE:M/U:Red

Summary

References

	URL	Tags
	0b655efc-079c-4cb9-9e8d-164871239f4e	https://www.ptc.com/en/about/trust-center/advisory-center/active-advisories/windchill-flexplm-critical-vulnerability?srsltid=AfmBOop3e7Nthx5-BsrjKdpZi50wL6l6Bt21Fz0gUub2cIPgdPGV5bNl

Impacted products

	Vendor	Product	Version

JSON

To clipboard

{
  "affected": [
    {
      "affectedData": [
        {
          "defaultStatus": "unknown",
          "product": "Windchill PDMLink",
          "vendor": "PTC",
          "versions": [
            {
              "status": "affected",
              "version": "11.0 M030",
              "versionType": "semver"
            },
            {
              "status": "affected",
              "version": "11.1 M020",
              "versionType": "semver"
            },
            {
              "status": "affected",
              "version": "11.2.1.0",
              "versionType": "semver"
            },
            {
              "status": "affected",
              "version": "12.0.2.0",
              "versionType": "semver"
            },
            {
              "status": "affected",
              "version": "12.1.2.0",
              "versionType": "semver"
            },
            {
              "status": "affected",
              "version": "13.0.2.0",
              "versionType": "semver"
            },
            {
              "status": "affected",
              "version": "13.1.0.0"
            },
            {
              "status": "affected",
              "version": "13.1.1.0"
            },
            {
              "status": "affected",
              "version": "13.1.2.0"
            },
            {
              "status": "affected",
              "version": "13.1.3.0"
            }
          ]
        },
        {
          "defaultStatus": "unknown",
          "product": "FlexPLM",
          "vendor": "PTC",
          "versions": [
            {
              "status": "affected",
              "version": "11.0 M030"
            },
            {
              "status": "affected",
              "version": "11.1 M020"
            },
            {
              "status": "affected",
              "version": "11.2.1.0"
            },
            {
              "status": "affected",
              "version": "12.0.0.0"
            },
            {
              "status": "affected",
              "version": "12.0.2.0"
            },
            {
              "status": "affected",
              "version": "12.0.3.0"
            },
            {
              "status": "affected",
              "version": "12.1.2.0"
            },
            {
              "status": "affected",
              "version": "12.1.3.0"
            },
            {
              "status": "affected",
              "version": "13.0.2.0"
            },
            {
              "status": "affected",
              "version": "13.0.3.0"
            }
          ]
        }
      ],
      "source": "0b655efc-079c-4cb9-9e8d-164871239f4e"
    }
  ],
  "cveTags": [],
  "descriptions": [
    {
      "lang": "en",
      "value": "A critical remote code execution (RCE) vulnerability has been reported in PTC Windchill and PTC FlexPLM. The vulnerability may be exploited through the deserialization of untrusted data.\n\nThis issue affects Windchill PDMLink: 11.0 M030, 11.1 M020, 11.2.1.0, 12.0.2.0, 12.1.2.0, 13.0.2.0, 13.1.0.0, 13.1.1.0, 13.1.2.0, 13.1.3.0; FlexPLM: 11.0 M030, 11.1 M020, 11.2.1.0, 12.0.0.0, 12.0.2.0, 12.0.3.0, 12.1.2.0, 12.1.3.0, 13.0.2.0, 13.0.3.0."
    },
    {
      "lang": "es",
      "value": "Una vulnerabilidad cr\u00edtica de ejecuci\u00f3n remota de c\u00f3digo (RCE) ha sido reportada en PTC Windchill y PTC FlexPLM. La vulnerabilidad puede ser explotada a trav\u00e9s de la deserializaci\u00f3n de datos no confiables.\n\nEste problema afecta a Windchill PDMLink: 11.0 M030, 11.1 M020, 11.2.1.0, 12.0.2.0, 12.1.2.0, 13.0.2.0, 13.1.0.0, 13.1.1.0, 13.1.2.0, 13.1.3.0; FlexPLM: 11.0 M030, 11.1 M020, 11.2.1.0, 12.0.0.0, 12.0.2.0, 12.0.3.0, 12.1.2.0, 12.1.3.0, 13.0.2.0, 13.0.3.0."
    }
  ],
  "id": "CVE-2026-4681",
  "lastModified": "2026-06-17T10:57:01.310",
  "metrics": {
    "cvssMetricV40": [
      {
        "cvssData": {
          "Automatable": "YES",
          "Recovery": "USER",
          "Safety": "NOT_DEFINED",
          "attackComplexity": "LOW",
          "attackRequirements": "NONE",
          "attackVector": "NETWORK",
          "availabilityRequirement": "NOT_DEFINED",
          "baseScore": 9.3,
          "baseSeverity": "CRITICAL",
          "confidentialityRequirement": "NOT_DEFINED",
          "exploitMaturity": "NOT_DEFINED",
          "integrityRequirement": "NOT_DEFINED",
          "modifiedAttackComplexity": "NOT_DEFINED",
          "modifiedAttackRequirements": "NOT_DEFINED",
          "modifiedAttackVector": "NOT_DEFINED",
          "modifiedPrivilegesRequired": "NOT_DEFINED",
          "modifiedSubAvailabilityImpact": "NOT_DEFINED",
          "modifiedSubConfidentialityImpact": "NOT_DEFINED",
          "modifiedSubIntegrityImpact": "NOT_DEFINED",
          "modifiedUserInteraction": "NOT_DEFINED",
          "modifiedVulnAvailabilityImpact": "NOT_DEFINED",
          "modifiedVulnConfidentialityImpact": "NOT_DEFINED",
          "modifiedVulnIntegrityImpact": "NOT_DEFINED",
          "privilegesRequired": "NONE",
          "providerUrgency": "RED",
          "subAvailabilityImpact": "LOW",
          "subConfidentialityImpact": "LOW",
          "subIntegrityImpact": "LOW",
          "userInteraction": "NONE",
          "valueDensity": "CONCENTRATED",
          "vectorString": "CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:L/SI:L/SA:L/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:Y/R:U/V:C/RE:M/U:Red",
          "version": "4.0",
          "vulnAvailabilityImpact": "HIGH",
          "vulnConfidentialityImpact": "HIGH",
          "vulnIntegrityImpact": "HIGH",
          "vulnerabilityResponseEffort": "MODERATE"
        },
        "source": "0b655efc-079c-4cb9-9e8d-164871239f4e",
        "type": "Secondary"
      }
    ],
    "ssvcV203": [
      {
        "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
        "ssvcData": {
          "id": "CVE-2026-4681",
          "options": [
            {
              "exploitation": "none"
            },
            {
              "automatable": "yes"
            },
            {
              "technicalImpact": "total"
            }
          ],
          "role": "CISA Coordinator",
          "timestamp": "2026-03-24T14:48:53.854433Z",
          "version": "2.0.3"
        }
      }
    ]
  },
  "published": "2026-03-23T22:16:31.890",
  "references": [
    {
      "source": "0b655efc-079c-4cb9-9e8d-164871239f4e",
      "url": "https://www.ptc.com/en/about/trust-center/advisory-center/active-advisories/windchill-flexplm-critical-vulnerability?srsltid=AfmBOop3e7Nthx5-BsrjKdpZi50wL6l6Bt21Fz0gUub2cIPgdPGV5bNl"
    }
  ],
  "sourceIdentifier": "0b655efc-079c-4cb9-9e8d-164871239f4e",
  "vulnStatus": "Awaiting Analysis",
  "weaknesses": [
    {
      "description": [
        {
          "lang": "en",
          "value": "CWE-94"
        }
      ],
      "source": "0b655efc-079c-4cb9-9e8d-164871239f4e",
      "type": "Secondary"
    }
  ]
}

GHSA-JFRX-FMG3-3P8M

Vulnerability from github – Published: 2026-03-24 00:30 – Updated: 2026-03-24 00:30

Details

A critical remote code execution (RCE) vulnerability has been reported in PTC Windchill and PTC FlexPLM. The vulnerability may be exploited through the deserialization of untrusted data.

This issue affects Windchill PDMLink: 11.0 M030, 11.1 M020, 11.2.1.0, 12.0.2.0, 12.1.2.0, 13.0.2.0, 13.1.0.0, 13.1.1.0, 13.1.2.0, 13.1.3.0; FlexPLM: 11.0 M030, 11.1 M020, 11.2.1.0, 12.0.0.0, 12.0.2.0, 12.0.3.0, 12.1.2.0, 12.1.3.0, 13.0.2.0, 13.0.3.0.

Severity

9.3 (Critical)


                  
                    CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:L/SI:L/SA:L/AU:Y/R:U/V:C/RE:M/U:Red

Show details on source website

JSON

To clipboard

{
  "affected": [],
  "aliases": [
    "CVE-2026-4681"
  ],
  "database_specific": {
    "cwe_ids": [
      "CWE-94"
    ],
    "github_reviewed": false,
    "github_reviewed_at": null,
    "nvd_published_at": "2026-03-23T22:16:31Z",
    "severity": "CRITICAL"
  },
  "details": "A critical remote code execution (RCE) vulnerability has been reported in PTC Windchill and PTC FlexPLM. The vulnerability may be exploited through the deserialization of untrusted data.\n\nThis issue affects Windchill PDMLink: 11.0 M030, 11.1 M020, 11.2.1.0, 12.0.2.0, 12.1.2.0, 13.0.2.0, 13.1.0.0, 13.1.1.0, 13.1.2.0, 13.1.3.0; FlexPLM: 11.0 M030, 11.1 M020, 11.2.1.0, 12.0.0.0, 12.0.2.0, 12.0.3.0, 12.1.2.0, 12.1.3.0, 13.0.2.0, 13.0.3.0.",
  "id": "GHSA-jfrx-fmg3-3p8m",
  "modified": "2026-03-24T00:30:25Z",
  "published": "2026-03-24T00:30:25Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2026-4681"
    },
    {
      "type": "WEB",
      "url": "https://www.ptc.com/en/about/trust-center/advisory-center/active-advisories/windchill-flexplm-critical-vulnerability?srsltid=AfmBOop3e7Nthx5-BsrjKdpZi50wL6l6Bt21Fz0gUub2cIPgdPGV5bNl"
    }
  ],
  "schema_version": "1.4.0",
  "severity": [
    {
      "score": "CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:L/SI:L/SA:L/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:Y/R:U/V:C/RE:M/U:Red",
      "type": "CVSS_V4"
    }
  ]
}

WID-SEC-W-2026-0822

Vulnerability from csaf_certbund - Published: 2026-03-22 23:00 - Updated: 2026-03-23 23:00

Summary

PTC FlexPLM und Windchill: Schwachstelle ermöglicht Codeausführung

Severity

Hoch

Scope

1 vulnerability in this advisory, including CVE-2026-4681.

CVE-2026-4681

Known affected: 20 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.

Vulnerability timeline

Sightings and recorded dates, grouped by day · UTC

Order JSON

Publication & reservation Sightings KEV catalogs Other timestamps

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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-2026-4681 (GCVE-0-2026-4681)

Previdian

Known Exploited Vulnerability - GCVE BCP-07 Compliant

Timestamps

Scope

Evidence

Public Report Successful Exploitation Confidence: 70% Source: kevintel

Details

References

FKIE_CVE-2026-4681

GHSA-JFRX-FMG3-3P8M

WID-SEC-W-2026-0822

Tags

Sightings

Nomenclature

Vulnerability timeline

Related by attack behaviour