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CVE-2026-12569

PTC Windchill and FlexPLM Improper Input Validation

9.8 CRITICALActively exploited (CISA KEV)Used in ransomwareEPSS 46.0%
  1. Published17 Jun 2026
  2. Added to CISA KEV25 Jun 2026
  3. Remediation due28 Jun 2026
Actively exploited (CISA KEV)

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.

Added to KEV: 25 Jun 2026Federal remediation due: 28 Jun 2026Used in ransomware

Description

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

CVSS 3.1 breakdown

Attack vectorNetwork
Attack complexityLow
Privileges requiredNone
User interactionNone
ScopeUnchanged
ConfidentialityHigh
IntegrityHigh
AvailabilityHigh
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Affected products

Ptc Flexplm≤ 11.0m030 · 11.1m020 · 11.2.1.0 · 12.0.0.0
Ptc Windchill Pdmlink< 11.0m030 · 11.0m030 · 11.1m020 · 11.2.1.0

Remediation

Fixed in
Ptc Windchill Pdmlink≥ 11.0m030

References

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Frequently asked

Is CVE-2026-12569 being actively exploited?

Yes. CVE-2026-12569 is listed in the CISA Known Exploited Vulnerabilities (KEV) catalog, added 25 Jun 2026. It has been used in ransomware campaigns.

How severe is CVE-2026-12569?

CVE-2026-12569 has a CVSS 3.1 base score of 9.8, rated critical. EPSS estimates a 46.0% probability of exploitation.

Which products are affected by CVE-2026-12569?

Affected products include Ptc Flexplm, Ptc Windchill Pdmlink.

How do I fix CVE-2026-12569?

Upgrade affected software to a fixed version, for example Ptc Windchill Pdmlink 11.0m030 or later, then confirm no affected versions remain in your inventory.

How Secuno handles this

Secuno correlates vulnerabilities like CVE-2026-12569 against the real software inventory on every managed device, every day. Rather than a static severity, each match is scored in context: exploit availability, EPSS, the asset's exposure, and business criticality decide where it lands in the queue. Because it is on the CISA KEV list, Secuno flags any affected asset as top-priority automatically. If an affected version is present anywhere across your portfolio, it surfaces automatically with a prioritised remediation path.

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Data from the NVD, CISA KEV catalog and FIRST EPSS. CVSS 3.1 base score shown where available.