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CVE-2026-12569: PTC Windchill and FlexPLM Improper Input Validation Vulnerability

PTC Windchill and FlexPLM · in CISA KEV since 2026-06-25

2026-06-25added to KEV

2026-06-28federal remediation due date

40.59%EPSS exploit probability (30 days) 98.6th percentile

9.3 CRITICALCVSS 4.0

Knownknown ransomware use

7days from NVD publication to KEV

What it is

PTC Windchill and FlexPLM contains an improper input validation vulnerability allowing an unauthenticated, remote attacker to execute arbitrary code by sending a malicious request to the network.

Required action (CISA)

Apply mitigations in accordance with vendor instructions, ensuring compliance with CISA’s BOD 26-04 Prioritizing Security Updates Based on Risk (see URL in Notes) guidance and CISA’s “Forensics Triage Requirements” (see URL in Notes). Follow applicable BOD 26-04 guidance for cloud services or discontinue use of the product if mitigations are unavailable. Stakeholders are responsible for evaluating each asset's internet exposure and ensuring adherence to BOD 26-04 patching guidelines.

CWE	CWE-20;CWE-502
CVSS vector	`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:X/U:Red`
NVD published	2026-06-18 (Analyzed)

Original records: NVD · CISA KEV · JSON: /api/cve/CVE-2026-12569.json · all KEV CVEs

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