{"cve":{"cve_id":"CVE-2026-10032","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":0.00197,"epss_percentile":0.0939,"epss_as_of":"2026-08-26","description":"The openUrl function in @a2ui/web_core passes an agent-controlled URL directly to window.open() without validating the URI scheme. A malicious agent can supply a javascript: URI as the url argument of a Button component's functionCall action. When the user clicks the rendered button, arbitrary JavaScript executes in the victim application's browser origin, constituting a stored/reflected XSS with Critical severity. No non-default configuration is required; the Basic Catalog is enabled by default.","published_at":"2026-08-04T15:36:45.199000Z","last_modified_at":"2026-08-06T15:41:27.197000Z","cvss_v3_score":null,"cvss_v3_vector":null,"cvss_v3_severity":null,"cvss_v4_score":6.1,"cvss_v4_vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:P/VC:H/VI:H/VA:L/SC:N/SI:N/SA:N/E:U","cvss_v4_severity":"MEDIUM","ssvc_decision":null,"ssvc_exploitation":"none","ssvc_automatable":false,"ssvc_technical_impact":"total","cwes":["CWE-79"],"nvd_references":["https://github.com/a2ui-project/a2ui/security/advisories/GHSA-72qq-p3r5-f7wq"],"vuln_status":"Awaiting Analysis","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":"2026-08-04T17:40:38.286493Z","updated_at":"2026-08-06T20:16:20.006012Z"},"effective_severity":"MEDIUM","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":"L","value_label":"Low"},{"metric":"UI","name":"User Interaction","value":"P","value_label":"Passive"},{"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":"L","value_label":"Low"},{"metric":"SC","name":"Confidentiality (Subsequent System)","value":"N","value_label":"None"},{"metric":"SI","name":"Integrity (Subsequent System)","value":"N","value_label":"None"},{"metric":"SA","name":"Availability (Subsequent System)","value":"N","value_label":"None"},{"metric":"E","name":"E","value":"U","value_label":"Unchanged"}]},"affected":[{"vendor_slug":"google","vendor_name":"Google","product_slug":"a2ui-web-core","product_name":"@a2ui/web_core","version_start":"0.9.0","version_start_inclusive":true,"version_end":"0.9.0","version_end_inclusive":true,"cpe23_uri":"cve5:google:a2ui-web-core:0.9.0:0.9.0"},{"vendor_slug":"google","vendor_name":"Google","product_slug":"a2ui-web-core","product_name":"@a2ui/web_core","version_start":"0.9.1-alpha.0","version_start_inclusive":true,"version_end":"0.9.1-alpha.0","version_end_inclusive":true,"cpe23_uri":"cve5:google:a2ui-web-core:0.9.1-alpha.0:0.9.1-alpha.0"},{"vendor_slug":"google","vendor_name":"Google","product_slug":"a2ui-web-core","product_name":"@a2ui/web_core","version_start":"0.9.1-alpha.1","version_start_inclusive":true,"version_end":"0.9.1-alpha.1","version_end_inclusive":true,"cpe23_uri":"cve5:google:a2ui-web-core:0.9.1-alpha.1:0.9.1-alpha.1"},{"vendor_slug":"google","vendor_name":"Google","product_slug":"a2ui-web-core","product_name":"@a2ui/web_core","version_start":"0.9.1-alpha.2","version_start_inclusive":true,"version_end":"0.9.1-alpha.2","version_end_inclusive":true,"cpe23_uri":"cve5:google:a2ui-web-core:0.9.1-alpha.2:0.9.1-alpha.2"},{"vendor_slug":"google","vendor_name":"Google","product_slug":"a2ui-web-core","product_name":"@a2ui/web_core","version_start":"0.9.1-alpha.3","version_start_inclusive":true,"version_end":"0.9.1-alpha.3","version_end_inclusive":true,"cpe23_uri":"cve5:google:a2ui-web-core:0.9.1-alpha.3:0.9.1-alpha.3"},{"vendor_slug":"google","vendor_name":"Google","product_slug":"a2ui-web-core","product_name":"@a2ui/web_core","version_start":"0.9.1-alpha.4","version_start_inclusive":true,"version_end":"0.9.1-alpha.4","version_end_inclusive":true,"cpe23_uri":"cve5:google:a2ui-web-core:0.9.1-alpha.4:0.9.1-alpha.4"},{"vendor_slug":"google","vendor_name":"Google","product_slug":"a2ui-web-core","product_name":"@a2ui/web_core","version_start":"0.9.1-alpha.5","version_start_inclusive":true,"version_end":"0.9.1-alpha.5","version_end_inclusive":true,"cpe23_uri":"cve5:google:a2ui-web-core:0.9.1-alpha.5:0.9.1-alpha.5"},{"vendor_slug":"google","vendor_name":"Google","product_slug":"a2ui-web-core","product_name":"@a2ui/web_core","version_start":"0.9.1","version_start_inclusive":true,"version_end":"0.9.1","version_end_inclusive":true,"cpe23_uri":"cve5:google:a2ui-web-core:0.9.1:0.9.1"},{"vendor_slug":"google","vendor_name":"Google","product_slug":"a2ui-web-core","product_name":"@a2ui/web_core","version_start":"0.9.2","version_start_inclusive":true,"version_end":"0.9.2","version_end_inclusive":true,"cpe23_uri":"cve5:google:a2ui-web-core:0.9.2:0.9.2"},{"vendor_slug":"google","vendor_name":"Google","product_slug":"a2ui-web-core","product_name":"@a2ui/web_core","version_start":"0.10.0","version_start_inclusive":true,"version_end":"0.10.0","version_end_inclusive":true,"cpe23_uri":"cve5:google:a2ui-web-core:0.10.0:0.10.0"},{"vendor_slug":"google","vendor_name":"Google","product_slug":"a2ui-web-core","product_name":"@a2ui/web_core","version_start":"0.10.1","version_start_inclusive":true,"version_end":"0.10.1","version_end_inclusive":true,"cpe23_uri":"cve5:google:a2ui-web-core:0.10.1:0.10.1"}],"exploit_refs":[],"news":[],"references":[{"url":"https://github.com/a2ui-project/a2ui/security/advisories/GHSA-72qq-p3r5-f7wq","source_type":"VENDOR_ADVISORY","tags":["advisory"]}],"timeline":[{"type":"published","at":"2026-08-04T15:36:45.199000Z","label":"CVE published","source":null},{"type":"ssvc_changed","at":"2026-08-04T19:41:38.293954Z","label":"SSVC decision revised","source":"vulnrichment"},{"type":"ssvc_changed","at":"2026-08-04T19:41:38.293954Z","label":"SSVC decision revised","source":"vulnrichment"},{"type":"ssvc_changed","at":"2026-08-04T19:41:38.293954Z","label":"SSVC decision revised","source":"vulnrichment"}]}