Vulnerability-Lookup

CVE-2026-77646 (GCVE-0-2026-77646)

Vulnerability from cvelistv5 – Published: 2026-08-20 22:11 – Updated: 2026-08-20 22:11

Title

Server Side Request Forgery (SSRF) vulnerability reported in Windchill

Summary

A Server-Side Request Forgery (SSRF) vulnerability has been reported in PTC Windchill PDMLink and PTC FlexPLM. The vulnerability may be exploited through the deserialization of untrusted data.

Severity

7.7 (High)


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

CWE

CWE-502 - Deserialization of untrusted data
CWE-918 - Server-Side request forgery (SSRF)

Assigner

PTC icscert root

References

1 reference

URL	Tags
https://www.ptc.com/en/support/article/CS474826	vendor-advisorymitigationpermissions-required

Impacted products

2 products

Vendor	Product	Version	CPE status
PTC	Windchill PDMLink	Affected: 11.0 M030 Affected: 11.1 M020 Affected: 11.2.1.0 Affected: 12.0.2.0 Affected: 12.1.2.0 Affected: 13.0.2.0 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

Credits

Richard Clifford of Rootshell Security (https://www.rootshellsecurity.net/)

Show details on NVD website

JSON

To clipboard

{
  "containers": {
    "cna": {
      "affected": [
        {
          "defaultStatus": "unaffected",
          "product": "Windchill PDMLink",
          "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": "12.0.2.0"
            },
            {
              "status": "affected",
              "version": "12.1.2.0"
            },
            {
              "status": "affected",
              "version": "13.0.2.0"
            },
            {
              "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": "unaffected",
          "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"
            }
          ]
        }
      ],
      "credits": [
        {
          "lang": "en",
          "type": "reporter",
          "value": "Richard Clifford of Rootshell Security (https://www.rootshellsecurity.net/)"
        }
      ],
      "descriptions": [
        {
          "lang": "en",
          "supportingMedia": [
            {
              "base64": false,
              "type": "text/html",
              "value": "A\u0026nbsp;\u003cspan\u003eServer-Side Request Forgery (SSRF) \u003c/span\u003e\u003cspan\u003evulnerability has been\u0026nbsp;\u003c/span\u003e\u003cspan\u003ereported in PTC Windchill PDMLink and PTC FlexPLM\u003c/span\u003e\u003cspan\u003e. \u003c/span\u003e\u003cspan\u003eThe vulnerability may be exploited through the deserialization of untrusted data.\u0026nbsp;\u003c/span\u003e\u003cspan\u003e\u0026nbsp;\u003c/span\u003e"
            }
          ],
          "value": "A\u00a0Server-Side Request Forgery (SSRF) vulnerability has been\u00a0reported in PTC Windchill PDMLink and PTC FlexPLM. The vulnerability may be exploited through the deserialization of untrusted data."
        }
      ],
      "impacts": [
        {
          "capecId": "CAPEC-586",
          "descriptions": [
            {
              "lang": "en",
              "value": "CAPEC-586 Object Injection"
            }
          ]
        },
        {
          "capecId": "CAPEC-664",
          "descriptions": [
            {
              "lang": "en",
              "value": "CAPEC-664 Server Side Request Forgery"
            }
          ]
        }
      ],
      "metrics": [
        {
          "cvssV4_0": {
            "Automatable": "YES",
            "Recovery": "USER",
            "Safety": "NOT_DEFINED",
            "attackComplexity": "LOW",
            "attackRequirements": "NONE",
            "attackVector": "NETWORK",
            "baseScore": 7.7,
            "baseSeverity": "HIGH",
            "exploitMaturity": "NOT_DEFINED",
            "privilegesRequired": "NONE",
            "providerUrgency": "RED",
            "subAvailabilityImpact": "NONE",
            "subConfidentialityImpact": "HIGH",
            "subIntegrityImpact": "NONE",
            "userInteraction": "NONE",
            "valueDensity": "DIFFUSE",
            "vectorString": "CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:N/SC:H/SI:N/SA:N/AU:Y/R:U/V:D/RE:M/U:Red",
            "version": "4.0",
            "vulnAvailabilityImpact": "NONE",
            "vulnConfidentialityImpact": "NONE",
            "vulnIntegrityImpact": "NONE",
            "vulnerabilityResponseEffort": "MODERATE"
          },
          "format": "CVSS",
          "scenarios": [
            {
              "lang": "en",
              "value": "GENERAL"
            }
          ]
        }
      ],
      "problemTypes": [
        {
          "descriptions": [
            {
              "cweId": "CWE-502",
              "description": "CWE-502 Deserialization of untrusted data",
              "lang": "en",
              "type": "CWE"
            }
          ]
        },
        {
          "descriptions": [
            {
              "cweId": "CWE-918",
              "description": "CWE-918 Server-Side request forgery (SSRF)",
              "lang": "en",
              "type": "CWE"
            }
          ]
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2026-08-20T22:11:25.150Z",
        "orgId": "0b655efc-079c-4cb9-9e8d-164871239f4e",
        "shortName": "PTC"
      },
      "references": [
        {
          "tags": [
            "vendor-advisory",
            "mitigation",
            "permissions-required"
          ],
          "url": "https://www.ptc.com/en/support/article/CS474826"
        }
      ],
      "source": {
        "discovery": "UNKNOWN"
      },
      "title": "Server Side Request Forgery (SSRF) vulnerability reported in Windchill",
      "x_generator": {
        "engine": "Vulnogram 1.0.4"
      }
    }
  },
  "cveMetadata": {
    "assignerOrgId": "0b655efc-079c-4cb9-9e8d-164871239f4e",
    "assignerShortName": "PTC",
    "cveId": "CVE-2026-77646",
    "datePublished": "2026-08-20T22:11:25.150Z",
    "dateReserved": "2026-08-20T22:07:22.899Z",
    "dateUpdated": "2026-08-20T22:11:25.150Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.2",
  "vulnerability-lookup:meta": {
    "nvd": "{\"cve\":{\"id\":\"CVE-2026-77646\",\"sourceIdentifier\":\"0b655efc-079c-4cb9-9e8d-164871239f4e\",\"published\":\"2026-08-20T22:18:06.657\",\"lastModified\":\"2026-08-20T22:18:06.657\",\"vulnStatus\":\"Received\",\"cveTags\":[],\"descriptions\":[{\"lang\":\"en\",\"value\":\"A\u00a0Server-Side Request Forgery (SSRF) vulnerability has been\u00a0reported in PTC Windchill PDMLink and PTC FlexPLM. The vulnerability may be exploited through the deserialization of untrusted data.\"}],\"affected\":[{\"source\":\"0b655efc-079c-4cb9-9e8d-164871239f4e\",\"affectedData\":[{\"vendor\":\"PTC\",\"product\":\"Windchill PDMLink\",\"defaultStatus\":\"unaffected\",\"versions\":[{\"version\":\"11.0 M030\",\"status\":\"affected\"},{\"version\":\"11.1 M020\",\"status\":\"affected\"},{\"version\":\"11.2.1.0\",\"status\":\"affected\"},{\"version\":\"12.0.2.0\",\"status\":\"affected\"},{\"version\":\"12.1.2.0\",\"status\":\"affected\"},{\"version\":\"13.0.2.0\",\"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\",\"status\":\"affected\"}]},{\"vendor\":\"PTC\",\"product\":\"FlexPLM\",\"defaultStatus\":\"unaffected\",\"versions\":[{\"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\",\"status\":\"affected\"}]}]}],\"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:N/VI:N/VA:N/SC:H/SI:N/SA:N/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:D/RE:M/U:Red\",\"baseScore\":7.7,\"baseSeverity\":\"HIGH\",\"attackVector\":\"NETWORK\",\"attackComplexity\":\"LOW\",\"attackRequirements\":\"NONE\",\"privilegesRequired\":\"NONE\",\"userInteraction\":\"NONE\",\"vulnConfidentialityImpact\":\"NONE\",\"vulnIntegrityImpact\":\"NONE\",\"vulnAvailabilityImpact\":\"NONE\",\"subConfidentialityImpact\":\"HIGH\",\"subIntegrityImpact\":\"NONE\",\"subAvailabilityImpact\":\"NONE\",\"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\":\"DIFFUSE\",\"vulnerabilityResponseEffort\":\"MODERATE\",\"providerUrgency\":\"RED\"}}]},\"weaknesses\":[{\"source\":\"0b655efc-079c-4cb9-9e8d-164871239f4e\",\"type\":\"Secondary\",\"description\":[{\"lang\":\"en\",\"value\":\"CWE-502\"},{\"lang\":\"en\",\"value\":\"CWE-918\"}]}],\"references\":[{\"url\":\"https://www.ptc.com/en/support/article/CS474826\",\"source\":\"0b655efc-079c-4cb9-9e8d-164871239f4e\"}]}}"
  }
}

FKIE_CVE-2026-77646

Vulnerability from fkie_nvd - Published: 2026-08-20 22:18 - Updated: 2026-08-20 22:18

Severity

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

Summary

A Server-Side Request Forgery (SSRF) vulnerability has been reported in PTC Windchill PDMLink and PTC FlexPLM. The vulnerability may be exploited through the deserialization of untrusted data.

References

	URL	Tags
	0b655efc-079c-4cb9-9e8d-164871239f4e	https://www.ptc.com/en/support/article/CS474826

Impacted products

	Vendor	Product	Version

JSON

To clipboard

{
  "affected": [
    {
      "affectedData": [
        {
          "defaultStatus": "unaffected",
          "product": "Windchill PDMLink",
          "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": "12.0.2.0"
            },
            {
              "status": "affected",
              "version": "12.1.2.0"
            },
            {
              "status": "affected",
              "version": "13.0.2.0"
            },
            {
              "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": "unaffected",
          "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\u00a0Server-Side Request Forgery (SSRF) vulnerability has been\u00a0reported in PTC Windchill PDMLink and PTC FlexPLM. The vulnerability may be exploited through the deserialization of untrusted data."
    }
  ],
  "id": "CVE-2026-77646",
  "lastModified": "2026-08-20T22:18:06.657",
  "metrics": {
    "cvssMetricV40": [
      {
        "cvssData": {
          "Automatable": "YES",
          "Recovery": "USER",
          "Safety": "NOT_DEFINED",
          "attackComplexity": "LOW",
          "attackRequirements": "NONE",
          "attackVector": "NETWORK",
          "availabilityRequirement": "NOT_DEFINED",
          "baseScore": 7.7,
          "baseSeverity": "HIGH",
          "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": "NONE",
          "subConfidentialityImpact": "HIGH",
          "subIntegrityImpact": "NONE",
          "userInteraction": "NONE",
          "valueDensity": "DIFFUSE",
          "vectorString": "CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:N/SC:H/SI:N/SA:N/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:D/RE:M/U:Red",
          "version": "4.0",
          "vulnAvailabilityImpact": "NONE",
          "vulnConfidentialityImpact": "NONE",
          "vulnIntegrityImpact": "NONE",
          "vulnerabilityResponseEffort": "MODERATE"
        },
        "source": "0b655efc-079c-4cb9-9e8d-164871239f4e",
        "type": "Secondary"
      }
    ]
  },
  "published": "2026-08-20T22:18:06.657",
  "references": [
    {
      "source": "0b655efc-079c-4cb9-9e8d-164871239f4e",
      "url": "https://www.ptc.com/en/support/article/CS474826"
    }
  ],
  "sourceIdentifier": "0b655efc-079c-4cb9-9e8d-164871239f4e",
  "vulnStatus": "Received",
  "weaknesses": [
    {
      "description": [
        {
          "lang": "en",
          "value": "CWE-502"
        },
        {
          "lang": "en",
          "value": "CWE-918"
        }
      ],
      "source": "0b655efc-079c-4cb9-9e8d-164871239f4e",
      "type": "Secondary"
    }
  ]
}

GHSA-2698-QWMX-3R6F

Vulnerability from github – Published: 2026-08-21 00:31 – Updated: 2026-08-21 00:31

Details

A Server-Side Request Forgery (SSRF) vulnerability has been reported in PTC Windchill PDMLink and PTC FlexPLM. The vulnerability may be exploited through the deserialization of untrusted data.

Severity

7.7 (High)


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

Show details on source website

JSON

To clipboard

{
  "affected": [],
  "aliases": [
    "CVE-2026-77646"
  ],
  "database_specific": {
    "cwe_ids": [
      "CWE-502"
    ],
    "github_reviewed": false,
    "github_reviewed_at": null,
    "nvd_published_at": "2026-08-20T22:18:06Z",
    "severity": "HIGH"
  },
  "details": "A\u00a0Server-Side Request Forgery (SSRF) vulnerability has been\u00a0reported in PTC Windchill PDMLink and PTC FlexPLM. The vulnerability may be exploited through the deserialization of untrusted data.",
  "id": "GHSA-2698-qwmx-3r6f",
  "modified": "2026-08-21T00:31:24Z",
  "published": "2026-08-21T00:31:24Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2026-77646"
    },
    {
      "type": "WEB",
      "url": "https://www.ptc.com/en/support/article/CS474826"
    }
  ],
  "schema_version": "1.4.0",
  "severity": [
    {
      "score": "CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:N/SC:H/SI:N/SA:N/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:D/RE:M/U:Red",
      "type": "CVSS_V4"
    }
  ]
}

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-2026-77646 (GCVE-0-2026-77646)

FKIE_CVE-2026-77646

GHSA-2698-QWMX-3R6F

Tags

Sightings

Nomenclature