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

Vulnerability from cvelistv5 – Published: 2026-03-23 21:48 – Updated: 2026-03-24 14:49
VLAI KEVintel KEV
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.
SSVC
Exploitation: none Automatable: yes Technical Impact: total
CISA Coordinator (v2.0.3)
CWE
  • CWE-94 - Improper Control of Generation of Code ('Code Injection')
Assigner
PTC
References
URL Tags
https://www.ptc.com/en/about/trust-center/advisor… vendor-advisorymitigation
Impacted products
Vendor Product Version
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
Create a notification for this product.
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
Create a notification for this product.
KEVintel KEV
Known Exploited Vulnerability - GCVE BCP-07 Compliant

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 12:45 UTC | Updated: 2026-06-19 12:45 UTC
Show details on NVD website

{
  "containers": {
    "adp": [
      {
        "metrics": [
          {
            "other": {
              "content": {
                "id": "CVE-2026-4681",
                "options": [
                  {
                    "Exploitation": "none"
                  },
                  {
                    "Automatable": "yes"
                  },
                  {
                    "Technical Impact": "total"
                  }
                ],
                "role": "CISA Coordinator",
                "timestamp": "2026-03-24T14:48:53.854433Z",
                "version": "2.0.3"
              },
              "type": "ssvc"
            }
          }
        ],
        "providerMetadata": {
          "dateUpdated": "2026-03-24T14:49:43.425Z",
          "orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
          "shortName": "CISA-ADP"
        },
        "title": "CISA ADP Vulnrichment"
      }
    ],
    "cna": {
      "affected": [
        {
          "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"
            }
          ]
        }
      ],
      "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",
  "vulnerability-lookup:meta": {
    "epss": {
      "cve": "CVE-2026-4681",
      "date": "2026-06-19",
      "epss": "0.00673",
      "percentile": "0.47216"
    },
    "nvd": "{\"cve\":{\"id\":\"CVE-2026-4681\",\"sourceIdentifier\":\"0b655efc-079c-4cb9-9e8d-164871239f4e\",\"published\":\"2026-03-23T22:16:31.890\",\"lastModified\":\"2026-03-24T15:53:48.067\",\"vulnStatus\":\"Awaiting Analysis\",\"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.\"}],\"metrics\":{\"cvssMetricV40\":[{\"source\":\"0b655efc-079c-4cb9-9e8d-164871239f4e\",\"type\":\"Secondary\",\"cvssData\":{\"version\":\"4.0\",\"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\",\"baseScore\":9.3,\"baseSeverity\":\"CRITICAL\",\"attackVector\":\"NETWORK\",\"attackComplexity\":\"LOW\",\"attackRequirements\":\"NONE\",\"privilegesRequired\":\"NONE\",\"userInteraction\":\"NONE\",\"vulnConfidentialityImpact\":\"HIGH\",\"vulnIntegrityImpact\":\"HIGH\",\"vulnAvailabilityImpact\":\"HIGH\",\"subConfidentialityImpact\":\"LOW\",\"subIntegrityImpact\":\"LOW\",\"subAvailabilityImpact\":\"LOW\",\"exploitMaturity\":\"NOT_DEFINED\",\"confidentialityRequirement\":\"NOT_DEFINED\",\"integrityRequirement\":\"NOT_DEFINED\",\"availabilityRequirement\":\"NOT_DEFINED\",\"modifiedAttackVector\":\"NOT_DEFINED\",\"modifiedAttackComplexity\":\"NOT_DEFINED\",\"modifiedAttackRequirements\":\"NOT_DEFINED\",\"modifiedPrivilegesRequired\":\"NOT_DEFINED\",\"modifiedUserInteraction\":\"NOT_DEFINED\",\"modifiedVulnConfidentialityImpact\":\"NOT_DEFINED\",\"modifiedVulnIntegrityImpact\":\"NOT_DEFINED\",\"modifiedVulnAvailabilityImpact\":\"NOT_DEFINED\",\"modifiedSubConfidentialityImpact\":\"NOT_DEFINED\",\"modifiedSubIntegrityImpact\":\"NOT_DEFINED\",\"modifiedSubAvailabilityImpact\":\"NOT_DEFINED\",\"Safety\":\"NOT_DEFINED\",\"Automatable\":\"YES\",\"Recovery\":\"USER\",\"valueDensity\":\"CONCENTRATED\",\"vulnerabilityResponseEffort\":\"MODERATE\",\"providerUrgency\":\"RED\"}}]},\"weaknesses\":[{\"source\":\"0b655efc-079c-4cb9-9e8d-164871239f4e\",\"type\":\"Secondary\",\"description\":[{\"lang\":\"en\",\"value\":\"CWE-94\"}]}],\"references\":[{\"url\":\"https://www.ptc.com/en/about/trust-center/advisory-center/active-advisories/windchill-flexplm-critical-vulnerability?srsltid=AfmBOop3e7Nthx5-BsrjKdpZi50wL6l6Bt21Fz0gUub2cIPgdPGV5bNl\",\"source\":\"0b655efc-079c-4cb9-9e8d-164871239f4e\"}]}}",
    "vulnrichment": {
      "containers": "{\"adp\": [{\"title\": \"CISA ADP Vulnrichment\", \"metrics\": [{\"other\": {\"type\": \"ssvc\", \"content\": {\"id\": \"CVE-2026-4681\", \"role\": \"CISA Coordinator\", \"options\": [{\"Exploitation\": \"none\"}, {\"Automatable\": \"yes\"}, {\"Technical Impact\": \"total\"}], \"version\": \"2.0.3\", \"timestamp\": \"2026-03-24T14:48:53.854433Z\"}}}], \"providerMetadata\": {\"orgId\": \"134c704f-9b21-4f2e-91b3-4a467353bcc0\", \"shortName\": \"CISA-ADP\", \"dateUpdated\": \"2026-03-24T14:49:30.805Z\"}}], \"cna\": {\"title\": \"Critical Remote Code Execution vulnerability reported in Windchill\", \"source\": {\"discovery\": \"UNKNOWN\"}, \"impacts\": [{\"capecId\": \"CAPEC-242\", \"descriptions\": [{\"lang\": \"en\", \"value\": \"CAPEC-242 Code Injection\"}]}], \"metrics\": [{\"format\": \"CVSS\", \"cvssV4_0\": {\"Safety\": \"NOT_DEFINED\", \"version\": \"4.0\", \"Recovery\": \"USER\", \"baseScore\": 9.3, \"Automatable\": \"YES\", \"attackVector\": \"NETWORK\", \"baseSeverity\": \"CRITICAL\", \"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\", \"exploitMaturity\": \"NOT_DEFINED\", \"providerUrgency\": \"RED\", \"userInteraction\": \"NONE\", \"attackComplexity\": \"LOW\", \"attackRequirements\": \"NONE\", \"privilegesRequired\": \"NONE\", \"subIntegrityImpact\": \"LOW\", \"vulnIntegrityImpact\": \"HIGH\", \"subAvailabilityImpact\": \"LOW\", \"vulnAvailabilityImpact\": \"HIGH\", \"subConfidentialityImpact\": \"LOW\", \"vulnConfidentialityImpact\": \"HIGH\", \"vulnerabilityResponseEffort\": \"MODERATE\"}, \"scenarios\": [{\"lang\": \"en\", \"value\": \"GENERAL\"}]}], \"affected\": [{\"vendor\": \"PTC\", \"product\": \"Windchill PDMLink\", \"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\"}, {\"vendor\": \"PTC\", \"product\": \"FlexPLM\", \"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\"}], \"defaultStatus\": \"unknown\"}], \"references\": [{\"url\": \"https://www.ptc.com/en/about/trust-center/advisory-center/active-advisories/windchill-flexplm-critical-vulnerability?srsltid=AfmBOop3e7Nthx5-BsrjKdpZi50wL6l6Bt21Fz0gUub2cIPgdPGV5bNl\", \"tags\": [\"vendor-advisory\", \"mitigation\"]}], \"x_generator\": {\"engine\": \"Vulnogram 1.0.1\"}, \"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.\", \"supportingMedia\": [{\"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\", \"base64\": false}]}], \"problemTypes\": [{\"descriptions\": [{\"lang\": \"en\", \"type\": \"CWE\", \"cweId\": \"CWE-94\", \"description\": \"CWE-94: Improper Control of Generation of Code (\u0027Code Injection\u0027)\"}]}], \"providerMetadata\": {\"orgId\": \"0b655efc-079c-4cb9-9e8d-164871239f4e\", \"shortName\": \"PTC\", \"dateUpdated\": \"2026-03-23T21:48:05.652Z\"}}}",
      "cveMetadata": "{\"cveId\": \"CVE-2026-4681\", \"state\": \"PUBLISHED\", \"dateUpdated\": \"2026-03-24T14:49:43.425Z\", \"dateReserved\": \"2026-03-23T21:42:24.158Z\", \"assignerOrgId\": \"0b655efc-079c-4cb9-9e8d-164871239f4e\", \"datePublished\": \"2026-03-23T21:48:05.652Z\", \"assignerShortName\": \"PTC\"}",
      "dataType": "CVE_RECORD",
      "dataVersion": "5.2"
    }
  }
}


Log in or create an account to share your comment.




Tags
Taxonomy of the tags.


Loading…

Loading…

Loading…

Forecast uses a logistic model when the trend is rising, or an exponential decay model when the trend is falling. Fitted via linearized least squares.

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.

Loading…

Detection rules are retrieved from Rulezet.

Loading…

Loading…