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Vulnerabilities

Vulnerability · CVE-2026-12569

PTC Windchill and FlexPLM Improper Input Validation Vulnerability

Published Jun 17, 2026 · catalog updated Jul 31, 2026 · PTC Windchill and FlexPLM

Patch now

CVE-2026-12569 is in the CISA known-exploited catalog, due Jun 28, 2026. Confirm PTC Windchill and FlexPLM against the vendor advisory and apply that fix. The CVSS score does not change the priority.

Severity
Critical9.3
Known exploitation
CISA KEV and VulnCheck KEV
EPSS
46.05%
Remediation
Remediation guidance
Affected products
cpe ptc/flexplm · cpe ptc/windchill pdmlink · vendor PTC Windchill and FlexPLM

A critical remote code execution (RCE) vulnerability has been reported in PTC Windchill PDMlink and PTC FlexPLM. The vulnerability may be exploited through the deserialization of untrusted data. * This advisory also applies to all CPS versions * The identified vulnerability also impacts Windchill and FlexPLM releases prior to 11.0 M030

Are you affected?

Enter the version you run. The result uses only the ranges stored on this record.

The check returns affected, not affected, or incomplete. It does not guess a version that is missing from the record.

  • cpe ptc/flexplm11.1m020
  • cpe ptc/flexplm11.2.1.0
  • cpe ptc/flexplm12.0.0.0
  • cpe ptc/flexplm12.0.2.0
  • cpe ptc/flexplm12.1.3.0
  • cpe ptc/flexplm13.0.2.0
  • cpe ptc/flexplm13.0.3.0
  • cpe ptc/windchill pdmlinkversion unspecified
  • vendor PTC Windchill and FlexPLMversion unspecified

How to fix CVE-2026-12569

  • Recommended remediation

    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. CISA due date Jun 28, 2026.

  • Official advisories

What to do

Three questions, each answered from this record only. Confirm the vendor advisory before you patch.

Should you patch?

CVE-2026-12569 is in the CISA known-exploited catalog, due Jun 28, 2026. Confirm PTC Windchill and FlexPLM against the vendor advisory and apply that fix. The CVSS score does not change the priority.

Which versions are affected?

Compare what you have installed with 11.1m020, 11.2.1.0, 12.0.0.0, 12.0.2.0, 12.1.3.0, 13.0.2.0. 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.

What should an analyst verify?

CWE-20: Improper Input Validation; CWE-502: Deserialization of Untrusted Data. EPSS 46.05%. The CISA KEV listing is the exploitation evidence. No Exploit-DB or Metasploit reference is linked. Use the source links for the original advisory.

Code

The project this record applies to. Exploit listings stay in References.

No public source repository is identified for this product.

Timeline

Detection, updates, and resolution for this record.

  1. Jun 17, 2026 · Catalog

    Detected

    A critical remote code execution (RCE) vulnerability has been reported in PTC Windchill PDMlink and PTC FlexPLM. The vulnerability may be exploited through the deserialization of untrusted data. * This advisory also applies to all CPS versions * The identified vulnerability also impacts Windchill and FlexPLM releases prior to 11.0 M030

  2. Jun 25, 2026 · CISA KEV

    Known exploited

    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

  3. Jun 28, 2026 · CISA KEV

    Remediation due

    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

  4. Jul 31, 2026 · Catalog

    Updated

    A critical remote code execution (RCE) vulnerability has been reported in PTC Windchill PDMlink and PTC FlexPLM. The vulnerability may be exploited through the deserialization of untrusted data. * This advisory also applies to all CPS versions * The identified vulnerability also impacts Windchill and FlexPLM releases prior to 11.0 M030

Sources

  • CISA KEVConfirmed exploitationCVE-2026-12569

    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.

    cisa.gov
  • CVE.orgVulnerability recordCVE-2026-12569

    Official CVE identifier

    cve.org
  • FIRST EPSSExploitation probabilityCVE-2026-12569

    30-day exploitation probability 46.0%

    first.org
  • NIST NVDVulnerability recordCVE-2026-12569

    A critical remote code execution (RCE) vulnerability has been reported in PTC Windchill PDMlink and PTC FlexPLM. The vulnerability may be exploited through the deserialization of untrusted data. * This advisory also applies to all CPS versions * The identified vulnerability

    nvd.nist.gov
  • VulnCheck KEVConfirmed exploitationCVE-2026-12569

    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.

    vulncheck.com

References

Freshness

Last verified in this catalog Oct 18, 2026. Significant claims (KEV, EPSS, CVSS, affected ranges) come from the source rows above — open the original publisher for the authoritative advisory.