CVE-2026-77646— Server Side Request Forgery (SSRF) vulnerability reported in Windchill
Quick assessment
Affected
PTC Windchill PDMLink
Exploitation
No confirmed in-the-wild exploitation; assess based on exposure
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.
PTC Windchill PDMLink 和 PTC FlexPLM 中发现了一个服务器端请求伪造（SSRF）漏洞。该漏洞可能通过反序列化不受信任的数据而被利用。
Possible ATT&CK Techniques 1 AI
T1190 · Exploit Public-Facing ApplicationAffected Version Matrix 20
| Vendor | Product | Version Range | Status |
|---|---|---|---|
| PTC | FlexPLM | 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 | ||
| … +2 more rows | |||
| PTC | Windchill PDMLink | 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 | ||
| … +2 more rows | |||
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I. Basic Information for CVE-2026-77646
Vulnerability Information
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Vulnerability Title
Server Side Request Forgery (SSRF) vulnerability reported in Windchill
Source: CVE Program / CVE List V5
Vulnerability 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.
Source: CVE Program / CVE List V5
CVSS Information
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
Source: CVE Program / CVE List V5
Vulnerability Type
可信数据的反序列化
Source: CVE Program / CVE List V5
Affected Products
| Vendor | Product | Affected Versions | CPE | Subscribe |
|---|---|---|---|---|
| PTC | Windchill PDMLink | 11.0 M030 | - |
|
| PTC | FlexPLM | 11.0 M030 | - |
|
II. Public POCs for CVE-2026-77646
| # | POC Description | Source Link | Shenlong Link |
|---|
AI-Generated POC
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News Coverage for CVE-2026-77646 (1)
Same Patch Batch · PTC · 2026-08-20 · 3 CVEs total
| CVE-2026-77644 | 9.3 CRITICAL | Critical Bypass Access Control Vulnerability Reported for Windchill Risk and Reliability ( |
| CVE-2026-77645 | 9.2 CRITICAL | Critical Remote Code Execution (RCE) vulnerability reported in Windchill |
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V. Comments for CVE-2026-77646
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