{"id":"EM-20261105-4ZZ5","url":"https://cyber.eventmonitor.net/incident/EM-20261105-4ZZ5/wails-vulnerability-cve-2026-34157/","type":"cve","title":"Wails Vulnerability (CVE-2026-34157)","subtitle":"CVE-2026-34157","subject":"CVE-2026-34157","status":"Developing","severity":"high","affected":[],"headline":null,"born":"2026-11-05T21:18:47.300Z","firstSignal":"2026-11-05T20:26:04.000Z","lastSignal":"2026-11-05T21:18:47.300Z","updated":"2026-11-06T12:16:45.734Z","revision":1,"life":[{"status":"Born","at":"2026-11-05T21:18:47.300Z","why":"second independent source: C6 NVD CVE API 2.0"},{"status":"Developing","at":"2026-11-05T21:18:47.300Z","why":"signals keep joining"}],"changeLog":[{"at":"2026-11-05T20:26:04.000Z","what":"First signal: C41 Red Hat Security Data"},{"at":"2026-11-05T21:18:47.300Z","what":"Born: second source, C6 NVD CVE API 2.0. Page EM-20261105-4ZZ5 created."}],"stages":[{"name":"Disclosed","at":"2026-11-05T21:18:47.300Z","detail":"C6 NVD published"},{"name":"Scored","at":"2026-11-05T21:18:47.300Z","detail":"CVSS 7.6"},{"name":"Exploited","at":null,"detail":"No exploitation reported"},{"name":"Advisories","at":null,"detail":"None yet"},{"name":"Vendor Response","at":"2026-11-05T20:26:04.000Z","detail":"C41 published"},{"name":"Resolved","at":null,"detail":"After 14 quiet days"}],"signals":[{"at":"2026-11-05T20:26:04.000Z","source":"C41","sourceName":"Red Hat Security Data","role":"Vendor","severity":3,"title":"Red Hat: CVE-2026-34157 (important)","text":"github.com/wailsapp/wails: Wails: Origin validation bypass via permissive wildcard matching","url":"https://access.redhat.com/hydra/rest/securitydata/cve/CVE-2026-34157.json"},{"at":"2026-11-05T21:18:47.300Z","source":"C6","sourceName":"NVD CVE API 2.0","role":"Database","severity":3,"title":"CVE-2026-34157 (CVSS 7.6)","text":"Wails is a framework for building desktop applications using Go and web technologies. From 2.0.0 until 2.13.0, BindingsAllowedOrigins in v2/internal/frontend/originvalidator/originValidator.go passes wildcard patterns to wildcardPatternToRegex, which expands every asterisk to an unrestricted regular-expression match. When an application configures a trailing or partial-label wildcard immediately after an allowed domain, an attacker-controlled lookalike origin can match the allowed suffix and invoke bound Go methods through IPC. A complete-component subdomain wildcard is an unaffected…","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-34157"}],"crowd":[],"reference":{"nvd":{"published":"2026-11-05T21:18:47.300","score":7.6,"severity":"HIGH","desc":"Wails is a framework for building desktop applications using Go and web technologies. From 2.0.0 until 2.13.0, BindingsAllowedOrigins in v2/internal/frontend/originvalidator/originValidator.go passes wildcard patterns to wildcardPatternToRegex, which expands every asterisk to an unrestricted…","product":"","seen":1793922090303},"kev":null,"epss":null,"p0":false},"mergedInto":null,"publisher":"Event Monitor Cyber"}