FKIE_CVE-2026-77646
Vulnerability from fkie_nvd - Published: 2026-08-20 22:18 - Updated: 2026-08-20 22:18
Severity
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
Impacted products
| Vendor | Product | Version |
|---|
{
"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"
}
]
}
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Experimental. This forecast is provided for visualization only and may change without notice. Do not use it for operational decisions.
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.
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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.
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.
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