{"schema_version":1,"title":"Element vulnerabilities","summary":"Junglewise Threat Intelligence has tracked 7 vulnerabilities in Element: 0 in the last 7 days and 1 in the last 90 days, 0 of them critical and 0 exploited in the wild. The most recent, CVE-2026-55850, was published on 21 August 2026. 1 technology has a page of its own.","url":"https://junglewise.ai/threats/vendors/element","json_url":"https://junglewise.ai/threats/vendors/element.json","publisher":"Junglewise Threat Intelligence","license":"CC-BY-4.0","license_url":"https://creativecommons.org/licenses/by/4.0/","attribution":"Junglewise Threat Intelligence, https://junglewise.ai/threats/vendors/element","sources":"NVD, GitHub Security Advisories, OSV, the CISA Known Exploited Vulnerabilities catalog, FIRST EPSS and vendor advisories","kind":"vendor","counts":{"high":2,"all_time":7,"critical":0,"exploited":0,"last_7_days":0,"last_30_days":0,"last_90_days":1,"last_365_days":4},"latest":[{"cve":"CVE-2026-55850","cvss":0,"epss":0.0055,"slug":"cve-2026-55850-element-web-cross-site-scripting-in-embedded-page","title":"Element Web cross-site scripting in embedded page","severity":"info","exploited":false,"published_at":"2026-08-21T19:17:04.23+00:00","url":"https://junglewise.ai/threats/cve-2026-55850-element-web-cross-site-scripting-in-embedded-page"},{"cve":"CVE-2026-48007","cvss":4,"epss":0.0025,"slug":"cve-2026-48007-element-element-call-sensitive-information-disclosure-in","title":"Element Element Call sensitive information disclosure in analytics reporting","severity":"high","exploited":false,"published_at":"2026-06-11T13:26:17+00:00","url":"https://junglewise.ai/threats/cve-2026-48007-element-element-call-sensitive-information-disclosure-in"},{"cve":"CVE-2026-45078","cvss":5.5,"epss":0.0013,"slug":"cve-2026-45078-element-synapse-cpu-starvation-denial-of-service","title":"Element Synapse CPU starvation denial of service","severity":"medium","exploited":false,"published_at":"2026-05-28T17:16:31.75+00:00","url":"https://junglewise.ai/threats/cve-2026-45078-element-synapse-cpu-starvation-denial-of-service"},{"cve":"CVE-2026-45076","cvss":4,"epss":0.0039,"slug":"cve-2026-45076-matrix-synapse-denial-of-service-in-room-history-pagination","title":"Matrix Synapse denial of service in room history pagination","severity":"medium","exploited":false,"published_at":"2026-05-28T17:16:31.59+00:00","url":"https://junglewise.ai/threats/cve-2026-45076-matrix-synapse-denial-of-service-in-room-history-pagination"},{"cve":"CVE-2024-37302","cvss":7.5,"epss":0.006,"slug":"cve-2024-37302-element-synapse-denial-of-service-via-media-disk-space","title":"Element Synapse denial of service via media disk space consumption","severity":"high","exploited":false,"published_at":"2024-12-03T18:39:12+00:00","url":"https://junglewise.ai/threats/cve-2024-37302-element-synapse-denial-of-service-via-media-disk-space"},{"cve":"CVE-2024-31208","cvss":3.1,"epss":0.0146,"slug":"cve-2024-31208-element-synapse-denial-of-service-via-auth-chain-indexing","title":"PYSEC-2024-50 - Synapse is an open-source Matrix homeserver. A remote Matrix user with malicious intent, sharing a room with Synapse instances before 1.105.","severity":"low","exploited":false,"published_at":"2024-04-23T18:15:00+00:00","url":"https://junglewise.ai/threats/cve-2024-31208-element-synapse-denial-of-service-via-auth-chain-indexing"},{"cve":"CVE-2021-40823","cvss":3.1,"slug":"cve-2021-40823-matrix-matrix-js-sdk-e2ee-room-key-disclosure-to-homeservers","title":"Matrix matrix-js-sdk E2EE room key disclosure to homeservers","severity":"low","exploited":false,"published_at":"2021-09-14T20:24:18+00:00","url":"https://junglewise.ai/threats/cve-2021-40823-matrix-matrix-js-sdk-e2ee-room-key-disclosure-to-homeservers"}],"vendor":{"hub":true,"name":"Element","slug":"element","homepage":"https://element.io/","description":"Element is a software company that develops communication tools based on the Matrix open standard.","url":"https://junglewise.ai/threats/vendors/element"},"weekly":[{"week":"2026-06-29","critical":0,"exploited":0,"vulnerabilities":0},{"week":"2026-07-06","critical":0,"exploited":0,"vulnerabilities":0},{"week":"2026-07-13","critical":0,"exploited":0,"vulnerabilities":0},{"week":"2026-07-20","critical":0,"exploited":0,"vulnerabilities":0},{"week":"2026-07-27","critical":0,"exploited":0,"vulnerabilities":0},{"week":"2026-08-03","critical":0,"exploited":0,"vulnerabilities":0},{"week":"2026-08-10","critical":0,"exploited":0,"vulnerabilities":0},{"week":"2026-08-17","critical":0,"exploited":0,"vulnerabilities":1},{"week":"2026-08-24","critical":0,"exploited":0,"vulnerabilities":0},{"week":"2026-08-31","critical":0,"exploited":0,"vulnerabilities":0},{"week":"2026-09-07","critical":0,"exploited":0,"vulnerabilities":0},{"week":"2026-09-14","critical":0,"exploited":0,"vulnerabilities":0},{"week":"2026-09-21","critical":0,"exploited":0,"vulnerabilities":0}],"most_severe":[{"cve":"CVE-2024-37302","cvss":7.5,"epss":0.006,"slug":"cve-2024-37302-element-synapse-denial-of-service-via-media-disk-space","title":"Element Synapse denial of service via media disk space consumption","severity":"high","exploited":false,"published_at":"2024-12-03T18:39:12+00:00","url":"https://junglewise.ai/threats/cve-2024-37302-element-synapse-denial-of-service-via-media-disk-space"},{"cve":"CVE-2026-48007","cvss":4,"epss":0.0025,"slug":"cve-2026-48007-element-element-call-sensitive-information-disclosure-in","title":"Element Element Call sensitive information disclosure in analytics reporting","severity":"high","exploited":false,"published_at":"2026-06-11T13:26:17+00:00","url":"https://junglewise.ai/threats/cve-2026-48007-element-element-call-sensitive-information-disclosure-in"},{"cve":"CVE-2026-45078","cvss":5.5,"epss":0.0013,"slug":"cve-2026-45078-element-synapse-cpu-starvation-denial-of-service","title":"Element Synapse CPU starvation denial of service","severity":"medium","exploited":false,"published_at":"2026-05-28T17:16:31.75+00:00","url":"https://junglewise.ai/threats/cve-2026-45078-element-synapse-cpu-starvation-denial-of-service"},{"cve":"CVE-2026-45076","cvss":4,"epss":0.0039,"slug":"cve-2026-45076-matrix-synapse-denial-of-service-in-room-history-pagination","title":"Matrix Synapse denial of service in room history pagination","severity":"medium","exploited":false,"published_at":"2026-05-28T17:16:31.59+00:00","url":"https://junglewise.ai/threats/cve-2026-45076-matrix-synapse-denial-of-service-in-room-history-pagination"},{"cve":"CVE-2024-31208","cvss":3.1,"epss":0.0146,"slug":"cve-2024-31208-element-synapse-denial-of-service-via-auth-chain-indexing","title":"PYSEC-2024-50 - Synapse is an open-source Matrix homeserver. A remote Matrix user with malicious intent, sharing a room with Synapse instances before 1.105.","severity":"low","exploited":false,"published_at":"2024-04-23T18:15:00+00:00","url":"https://junglewise.ai/threats/cve-2024-31208-element-synapse-denial-of-service-via-auth-chain-indexing"},{"cve":"CVE-2021-40823","cvss":3.1,"slug":"cve-2021-40823-matrix-matrix-js-sdk-e2ee-room-key-disclosure-to-homeservers","title":"Matrix matrix-js-sdk E2EE room key disclosure to homeservers","severity":"low","exploited":false,"published_at":"2021-09-14T20:24:18+00:00","url":"https://junglewise.ai/threats/cve-2021-40823-matrix-matrix-js-sdk-e2ee-room-key-disclosure-to-homeservers"},{"cve":"CVE-2026-55850","cvss":0,"epss":0.0055,"slug":"cve-2026-55850-element-web-cross-site-scripting-in-embedded-page","title":"Element Web cross-site scripting in embedded page","severity":"info","exploited":false,"published_at":"2026-08-21T19:17:04.23+00:00","url":"https://junglewise.ai/threats/cve-2026-55850-element-web-cross-site-scripting-in-embedded-page"}],"generated_at":"2026-09-26T13:07:00.120236+00:00","technologies":[{"name":"Element Synapse","slug":"synapse","vulnerabilities":6,"url":"https://junglewise.ai/threats/technologies/synapse"}]}