{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2026-28403", "assignerOrgId": "a0819718-46f1-4df5-94e2-005712e83aaa", "state": "PUBLISHED", "assignerShortName": "GitHub_M", "dateReserved": "2026-02-27T15:33:57.289Z", "datePublished": "2026-03-02T15:45:18.206Z", "dateUpdated": "2026-03-02T15:45:18.206Z"}, "containers": {"cna": {"title": "Textream Cross-Site WebSocket Hijacking (CSWSH) vulnerability", "problemTypes": [{"descriptions": [{"cweId": "CWE-346", "lang": "en", "description": "CWE-346: Origin Validation Error", "type": "CWE"}]}], "metrics": [{"cvssV3_1": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "LOW", "baseScore": 7.6, "baseSeverity": "HIGH", "confidentialityImpact": "LOW", "integrityImpact": "HIGH", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "REQUIRED", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:H/A:L", "version": "3.1"}}], "references": [{"name": "https://github.com/f/textream/security/advisories/GHSA-wr3v-x247-337w", "tags": ["x_refsource_CONFIRM"], "url": "https://github.com/f/textream/security/advisories/GHSA-wr3v-x247-337w"}, {"name": "https://github.com/f/textream/commit/f5ebad82750b9313386c34af8f0ede50c213a8a0", "tags": ["x_refsource_MISC"], "url": "https://github.com/f/textream/commit/f5ebad82750b9313386c34af8f0ede50c213a8a0"}], "affected": [{"vendor": "f", "product": "textream", "versions": [{"version": "< 1.5.1", "status": "affected"}]}], "providerMetadata": {"orgId": "a0819718-46f1-4df5-94e2-005712e83aaa", "shortName": "GitHub_M", "dateUpdated": "2026-03-02T15:45:18.206Z"}, "descriptions": [{"lang": "en", "value": "Textream is a free macOS teleprompter app. Prior to version 1.5.1, the `DirectorServer` WebSocket server (`ws://127.0.0.1:<httpPort+1>`) accepts connections from any origin without validating the HTTP `Origin` header during the WebSocket handshake. A malicious web page visited in the same browser session can silently connect to the local WebSocket server and send arbitrary `DirectorCommand` payloads, allowing full remote control of the teleprompter content. Version 1.5.1 fixes the issue."}], "source": {"advisory": "GHSA-wr3v-x247-337w", "discovery": "UNKNOWN"}}}}

{}

{"cveTags": [], "descriptions": [{"lang": "en", "value": "Textream is a free macOS teleprompter app. Prior to version 1.5.1, the `DirectorServer` WebSocket server (`ws://127.0.0.1:<httpPort+1>`) accepts connections from any origin without validating the HTTP `Origin` header during the WebSocket handshake. A malicious web page visited in the same browser session can silently connect to the local WebSocket server and send arbitrary `DirectorCommand` payloads, allowing full remote control of the teleprompter content. Version 1.5.1 fixes the issue."}], "id": "CVE-2026-28403", "lastModified": "2026-03-02T16:16:25.750", "metrics": {"cvssMetricV31": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "LOW", "baseScore": 7.6, "baseSeverity": "HIGH", "confidentialityImpact": "LOW", "integrityImpact": "HIGH", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "REQUIRED", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:H/A:L", "version": "3.1"}, "exploitabilityScore": 2.8, "impactScore": 4.7, "source": "security-advisories@github.com", "type": "Secondary"}]}, "published": "2026-03-02T16:16:25.750", "references": [{"source": "security-advisories@github.com", "url": "https://github.com/f/textream/commit/f5ebad82750b9313386c34af8f0ede50c213a8a0"}, {"source": "security-advisories@github.com", "url": "https://github.com/f/textream/security/advisories/GHSA-wr3v-x247-337w"}], "sourceIdentifier": "security-advisories@github.com", "vulnStatus": "Received", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-346"}], "source": "security-advisories@github.com", "type": "Primary"}]}

{}

{}