{"cve":{"cve_id":"CVE-2026-4681","is_kev":false,"kev_date_added":null,"kev_vendor_project":null,"kev_product":null,"kev_vulnerability_name":null,"kev_short_description":null,"kev_required_action":null,"kev_due_date":null,"kev_known_ransomware":null,"kev_notes":null,"kev_cwes":null,"epss_score":0.00673,"epss_percentile":0.47249,"epss_as_of":"2026-06-23","description":"A critical remote code execution (RCE) vulnerability has been reported in PTC Windchill and PTC FlexPLM. The vulnerability may be exploited through the deserialization of untrusted data.\n\nThis issue affects Windchill PDMLink: 11.0 M030, 11.1 M020, 11.2.1.0, 12.0.2.0, 12.1.2.0, 13.0.2.0, 13.1.0.0, 13.1.1.0, 13.1.2.0, 13.1.3.0; FlexPLM: 11.0 M030, 11.1 M020, 11.2.1.0, 12.0.0.0, 12.0.2.0, 12.0.3.0, 12.1.2.0, 12.1.3.0, 13.0.2.0, 13.0.3.0.","published_at":"2026-03-23T21:48:05.652000Z","last_modified_at":null,"cvss_v3_score":null,"cvss_v3_vector":null,"cvss_v3_severity":null,"cvss_v4_score":9.3,"cvss_v4_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/AU:Y/R:U/V:C/RE:M/U:Red","cvss_v4_severity":"CRITICAL","ssvc_decision":null,"ssvc_exploitation":null,"ssvc_automatable":null,"ssvc_technical_impact":null,"cwes":["CWE-94"],"nvd_references":["https://www.ptc.com/en/about/trust-center/advisory-center/active-advisories/windchill-flexplm-critical-vulnerability?srsltid=AfmBOop3e7Nthx5-BsrjKdpZi50wL6l6Bt21Fz0gUub2cIPgdPGV5bNl"],"vuln_status":null,"trending_score":null,"is_trending":false,"has_trended":false,"trended_number_one":false,"trending_peak_score":null,"trending_peak_rank":null,"started_trending_at":null,"trended_number_one_at":null,"summary_generated":null,"summary_generated_at":null,"summary_model":null,"created_at":"2026-06-24T00:09:39.878444Z","updated_at":"2026-06-28T23:30:39.491174Z"},"effective_severity":"CRITICAL","badges":[],"impact_analysis":[],"cvss_v3_decoded":{"version":null,"metrics":[]},"cvss_v4_decoded":{"version":"4.0","metrics":[{"metric":"AV","name":"Attack Vector","value":"N","value_label":"Network"},{"metric":"AC","name":"Attack Complexity","value":"L","value_label":"Low"},{"metric":"AT","name":"Attack Requirements","value":"N","value_label":"None"},{"metric":"PR","name":"Privileges Required","value":"N","value_label":"None"},{"metric":"UI","name":"User Interaction","value":"N","value_label":"None"},{"metric":"VC","name":"Confidentiality (Vulnerable System)","value":"H","value_label":"High"},{"metric":"VI","name":"Integrity (Vulnerable System)","value":"H","value_label":"High"},{"metric":"VA","name":"Availability (Vulnerable System)","value":"H","value_label":"High"},{"metric":"SC","name":"Confidentiality (Subsequent System)","value":"L","value_label":"Low"},{"metric":"SI","name":"Integrity (Subsequent System)","value":"L","value_label":"Low"},{"metric":"SA","name":"Availability (Subsequent System)","value":"L","value_label":"Low"},{"metric":"AU","name":"AU","value":"Y","value_label":"Y"},{"metric":"R","name":"R","value":"U","value_label":"Unchanged"},{"metric":"V","name":"V","value":"C","value_label":"Changed"},{"metric":"RE","name":"RE","value":"M","value_label":"M"},{"metric":"U","name":"U","value":"Red","value_label":"Red"}]},"affected":[{"vendor_slug":"ptc","vendor_name":"PTC","product_slug":"flexplm","product_name":"FlexPLM","version_start":"13.0.3.0","version_start_inclusive":true,"version_end":"13.0.3.0","version_end_inclusive":true,"cpe23_uri":"cve5:ptc:flexplm:13.0.3.0:13.0.3.0"},{"vendor_slug":"ptc","vendor_name":"PTC","product_slug":"flexplm","product_name":"FlexPLM","version_start":"11.0 M030","version_start_inclusive":true,"version_end":"11.0 M030","version_end_inclusive":true,"cpe23_uri":"cve5:ptc:flexplm:11.0 M030:11.0 M030"},{"vendor_slug":"ptc","vendor_name":"PTC","product_slug":"flexplm","product_name":"FlexPLM","version_start":"11.1 M020","version_start_inclusive":true,"version_end":"11.1 M020","version_end_inclusive":true,"cpe23_uri":"cve5:ptc:flexplm:11.1 M020:11.1 M020"},{"vendor_slug":"ptc","vendor_name":"PTC","product_slug":"flexplm","product_name":"FlexPLM","version_start":"11.2.1.0","version_start_inclusive":true,"version_end":"11.2.1.0","version_end_inclusive":true,"cpe23_uri":"cve5:ptc:flexplm:11.2.1.0:11.2.1.0"},{"vendor_slug":"ptc","vendor_name":"PTC","product_slug":"flexplm","product_name":"FlexPLM","version_start":"12.0.0.0","version_start_inclusive":true,"version_end":"12.0.0.0","version_end_inclusive":true,"cpe23_uri":"cve5:ptc:flexplm:12.0.0.0:12.0.0.0"},{"vendor_slug":"ptc","vendor_name":"PTC","product_slug":"flexplm","product_name":"FlexPLM","version_start":"12.0.2.0","version_start_inclusive":true,"version_end":"12.0.2.0","version_end_inclusive":true,"cpe23_uri":"cve5:ptc:flexplm:12.0.2.0:12.0.2.0"},{"vendor_slug":"ptc","vendor_name":"PTC","product_slug":"flexplm","product_name":"FlexPLM","version_start":"12.0.3.0","version_start_inclusive":true,"version_end":"12.0.3.0","version_end_inclusive":true,"cpe23_uri":"cve5:ptc:flexplm:12.0.3.0:12.0.3.0"},{"vendor_slug":"ptc","vendor_name":"PTC","product_slug":"flexplm","product_name":"FlexPLM","version_start":"12.1.2.0","version_start_inclusive":true,"version_end":"12.1.2.0","version_end_inclusive":true,"cpe23_uri":"cve5:ptc:flexplm:12.1.2.0:12.1.2.0"},{"vendor_slug":"ptc","vendor_name":"PTC","product_slug":"flexplm","product_name":"FlexPLM","version_start":"12.1.3.0","version_start_inclusive":true,"version_end":"12.1.3.0","version_end_inclusive":true,"cpe23_uri":"cve5:ptc:flexplm:12.1.3.0:12.1.3.0"},{"vendor_slug":"ptc","vendor_name":"PTC","product_slug":"flexplm","product_name":"FlexPLM","version_start":"13.0.2.0","version_start_inclusive":true,"version_end":"13.0.2.0","version_end_inclusive":true,"cpe23_uri":"cve5:ptc:flexplm:13.0.2.0:13.0.2.0"},{"vendor_slug":"ptc","vendor_name":"PTC","product_slug":"windchill-pdmlink","product_name":"Windchill PDMLink","version_start":"11.0 M030","version_start_inclusive":true,"version_end":"11.0 M030","version_end_inclusive":true,"cpe23_uri":"cve5:ptc:windchill-pdmlink:11.0 M030:11.0 M030"},{"vendor_slug":"ptc","vendor_name":"PTC","product_slug":"windchill-pdmlink","product_name":"Windchill PDMLink","version_start":"11.1 M020","version_start_inclusive":true,"version_end":"11.1 M020","version_end_inclusive":true,"cpe23_uri":"cve5:ptc:windchill-pdmlink:11.1 M020:11.1 M020"},{"vendor_slug":"ptc","vendor_name":"PTC","product_slug":"windchill-pdmlink","product_name":"Windchill PDMLink","version_start":"11.2.1.0","version_start_inclusive":true,"version_end":"11.2.1.0","version_end_inclusive":true,"cpe23_uri":"cve5:ptc:windchill-pdmlink:11.2.1.0:11.2.1.0"},{"vendor_slug":"ptc","vendor_name":"PTC","product_slug":"windchill-pdmlink","product_name":"Windchill PDMLink","version_start":"12.0.2.0","version_start_inclusive":true,"version_end":"12.0.2.0","version_end_inclusive":true,"cpe23_uri":"cve5:ptc:windchill-pdmlink:12.0.2.0:12.0.2.0"},{"vendor_slug":"ptc","vendor_name":"PTC","product_slug":"windchill-pdmlink","product_name":"Windchill PDMLink","version_start":"12.1.2.0","version_start_inclusive":true,"version_end":"12.1.2.0","version_end_inclusive":true,"cpe23_uri":"cve5:ptc:windchill-pdmlink:12.1.2.0:12.1.2.0"},{"vendor_slug":"ptc","vendor_name":"PTC","product_slug":"windchill-pdmlink","product_name":"Windchill PDMLink","version_start":"13.0.2.0","version_start_inclusive":true,"version_end":"13.0.2.0","version_end_inclusive":true,"cpe23_uri":"cve5:ptc:windchill-pdmlink:13.0.2.0:13.0.2.0"},{"vendor_slug":"ptc","vendor_name":"PTC","product_slug":"windchill-pdmlink","product_name":"Windchill PDMLink","version_start":"13.1.0.0","version_start_inclusive":true,"version_end":"13.1.0.0","version_end_inclusive":true,"cpe23_uri":"cve5:ptc:windchill-pdmlink:13.1.0.0:13.1.0.0"},{"vendor_slug":"ptc","vendor_name":"PTC","product_slug":"windchill-pdmlink","product_name":"Windchill PDMLink","version_start":"13.1.1.0","version_start_inclusive":true,"version_end":"13.1.1.0","version_end_inclusive":true,"cpe23_uri":"cve5:ptc:windchill-pdmlink:13.1.1.0:13.1.1.0"},{"vendor_slug":"ptc","vendor_name":"PTC","product_slug":"windchill-pdmlink","product_name":"Windchill PDMLink","version_start":"13.1.2.0","version_start_inclusive":true,"version_end":"13.1.2.0","version_end_inclusive":true,"cpe23_uri":"cve5:ptc:windchill-pdmlink:13.1.2.0:13.1.2.0"},{"vendor_slug":"ptc","vendor_name":"PTC","product_slug":"windchill-pdmlink","product_name":"Windchill PDMLink","version_start":"13.1.3.0","version_start_inclusive":true,"version_end":"13.1.3.0","version_end_inclusive":true,"cpe23_uri":"cve5:ptc:windchill-pdmlink:13.1.3.0:13.1.3.0"}],"exploit_refs":[],"news":[],"references":[{"url":"https://www.ptc.com/en/about/trust-center/advisory-center/active-advisories/windchill-flexplm-critical-vulnerability?srsltid=AfmBOop3e7Nthx5-BsrjKdpZi50wL6l6Bt21Fz0gUub2cIPgdPGV5bNl","source_type":"VENDOR_ADVISORY","tags":["advisory"]}],"timeline":[{"type":"published","at":"2026-03-23T21:48:05.652000Z","label":"CVE published","source":null},{"type":"cvss_changed","at":"2026-06-28T17:55:17.036284Z","label":"CVSS score revised","source":"cvelistv5"},{"type":"cvss_changed","at":"2026-06-28T17:55:17.036284Z","label":"CVSS score revised","source":"cvelistv5"},{"type":"cvss_changed","at":"2026-06-28T17:55:17.036284Z","label":"CVSS score revised","source":"cvelistv5"}]}