{"id":"CVE-2026-28403","state":"PUBLISHED","title":"Textream Cross-Site WebSocket Hijacking (CSWSH) vulnerability","description":"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.","publishedAt":"2026-03-02T15:45:18.206Z","updatedAt":"2026-03-02T19:27:12.422Z","severity":{"score":7.6,"label":"High","version":"3.1","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:H/A:L","source":"GitHub_M"},"assigner":"GitHub_M","products":["f textream"],"affected":[{"vendor":"f","product":"textream","versions":[{"version":"< 1.5.1","status":"affected"}]}],"references":["https://github.com/f/textream/security/advisories/GHSA-wr3v-x247-337w","https://github.com/f/textream/commit/f5ebad82750b9313386c34af8f0ede50c213a8a0"],"weaknesses":["CWE-346"],"ingestedAt":"2026-10-29T20:11:31.369Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2026/28xxx/CVE-2026-28403.json","commit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2026-28403","state":"PUBLISHED","datePublished":"2026-03-02T15:45:18.206Z","dateUpdated":"2026-03-02T19:27:12.422Z","assignerShortName":"GitHub_M","assignerOrgId":"a0819718-46f1-4df5-94e2-005712e83aaa","dateReserved":"2026-02-27T15:33:57.289Z"},"containers":{"cna":{"title":"Textream Cross-Site WebSocket Hijacking (CSWSH) vulnerability","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."}],"affected":[{"vendor":"f","product":"textream","versions":[{"version":"< 1.5.1","status":"affected"}]}],"references":[{"url":"https://github.com/f/textream/security/advisories/GHSA-wr3v-x247-337w","name":"https://github.com/f/textream/security/advisories/GHSA-wr3v-x247-337w","tags":["x_refsource_CONFIRM"]},{"url":"https://github.com/f/textream/commit/f5ebad82750b9313386c34af8f0ede50c213a8a0","name":"https://github.com/f/textream/commit/f5ebad82750b9313386c34af8f0ede50c213a8a0","tags":["x_refsource_MISC"]}],"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"}}],"problemTypes":[{"descriptions":[{"cweId":"CWE-346","lang":"en","description":"CWE-346: Origin Validation Error","type":"CWE"}]}],"providerMetadata":{"shortName":"GitHub_M","orgId":"a0819718-46f1-4df5-94e2-005712e83aaa","dateUpdated":"2026-03-02T15:45:18.206Z"},"source":{"advisory":"GHSA-wr3v-x247-337w","discovery":"UNKNOWN"}},"adp":[{"title":"CISA ADP Vulnrichment","metrics":[{"other":{"type":"ssvc","content":{"timestamp":"2026-03-02T19:26:46.910895Z","id":"CVE-2026-28403","options":[{"Exploitation":"poc"},{"Automatable":"no"},{"Technical Impact":"partial"}],"role":"CISA Coordinator","version":"2.0.3"}}}],"providerMetadata":{"shortName":"CISA-ADP","orgId":"134c704f-9b21-4f2e-91b3-4a467353bcc0","dateUpdated":"2026-03-02T19:27:12.422Z"}}]}}}