CVE-2026-77646

Server Side Request Forgery (SSRF) vulnerability reported in Windchill

Published Aug 20, 2026 CVSS 4.0 · 7.7 High EPSS < 1% KEV · Not listed

Description

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.

Affected Products

Default status is the baseline for the product, each version can override it (e.g. patched versions marked unaffected).

Vendor Product Default status Versions

PTC

Windchill PDMLink

unaffected

Version	Status	Constraints
`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`	affected	—

PTC

FlexPLM

unaffected

Version	Status	Constraints
`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`	affected	—

No data.

Vendor Product Versions

Ptc

Flexplm

Version	Status	Scheme	Platform
`11.0 M030`	affected	generic	—
`11.1 M020`	affected	generic	—
`11.2.1.0`	affected	generic	—
`12.0.0.0`	affected	generic	—
`12.0.2.0`	affected	generic	—
`12.0.3.0`	affected	generic	—
`12.1.2.0`	affected	generic	—
`12.1.3.0`	affected	generic	—
`13.0.2.0`	affected	generic	—
`13.0.3.0`	affected	generic	—

Ptc

Windchill Pdmlink

Version	Status	Scheme	Platform
`11.0 M030`	affected	generic	—
`11.1 M020`	affected	generic	—
`11.2.1.0`	affected	generic	—
`12.0.2.0`	affected	generic	—
`12.1.2.0`	affected	generic	—
`13.0.2.0`	affected	generic	—
`13.1.0.0`	affected	generic	—
`13.1.1.0`	affected	generic	—
`13.1.2.0`	affected	generic	—
`13.1.3.0`	affected	generic	—

Remediation

No solution or workaround provided in the CVE record

Tracking

Advisories

No advisories available

Metrics

Attack Vector Network

Attack Complexity Low

Privileges Required None

Attack Requirements None

User Interaction None

Vulnerable System Confidentiality Impact None

Vulnerable System Integrity Impact None

Vulnerable System Availability Impact None

Subsequent System Confidentiality Impact High

Subsequent System Integrity Impact None

Subsequent System Availability Impact None

No CVSS v3.1

No CVSS v3.0

No CVSS v2

This CVE is not in the KEV list.

Exploit prediction score: < 1% (0.438% probability within 30 days)

Exploitation none

Automatable yes

Technical Impact partial

References

Link	Providers
https://www.ptc.com/en/support/article/CS474826

History

Aug 21, 2026 8:30 PM Scoring metrics updated View changes

Type	Values Removed	Values Added
Metrics		ssvc `{'options': {'Automatable': 'yes', 'Exploitation': 'none', 'Technical Impact': 'partial'}, 'version': '2.0.3'}`

Aug 21, 2026 1:15 AM First appearance in the feed. Affected vendors updated View changes

Type	Values Removed	Values Added
First Time appeared		Ptc Ptc flexplm Ptc windchill Pdmlink
Vendors & Products		Ptc Ptc flexplm Ptc windchill Pdmlink

Aug 20, 2026 10:15 PM Description updated. Title updated. Weaknesses updated. Added references. Scoring metrics updated View changes

Type	Values Removed	Values Added
Description		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.
Title		Server Side Request Forgery (SSRF) vulnerability reported in Windchill
Weaknesses		CWE-502 CWE-918
References		https://www.ptc.com/en/support/article/CS474826
Metrics		cvssV4_0 `{'score': 7.7, 'vector': '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'}`