Threats Tagged 'cve-2026-46431'
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Threats Tagged 'cve-2026-46431'
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CVE-2026-46431: CWE-942: Permissive Cross-domain Policy with Untrusted Domains in xyproto algernonCVE-2026-46431 0 Algernon is a small self-contained pure-Go web server. Prior to 1.17.7, the SSE event server's Access-Control-Allow-Origin response header was hardcoded to the wildcard * regardless of the caller's Origin. Because EventSource does not preflight and does not send cookies, the wildcard is sufficient to let any third-party page the developer visits open a cross-origin EventSource to the SSE port and read the live filename stream from JavaScript. This vulnerability is fixed in 1.17.7. Join the discussion | CVE Database V5 | 05/26/2026, 16:42:40 UTC Added: 05/26/2026, 17:02:38 UTC |
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