{"id":"CVE-2026-48007","revision":null,"records":[{"revision":"021ba83bb7924879b936cd09be168378","observedAt":"2026-10-23T15:48:27.903+00:00","statement":{"source":"cve-program","id":"CVE-2026-48007","aliases":[],"title":"Element Call reports full URLs of visited pages to analytics server","description":"Element Call is a native Matrix video conferencing application. Versions 0.5.17 through 0.19.3 report analytics data to a PostHog server, when configured to by a `posthog` key in config.json or by the `posthogApiHost` and `posthogApiKey` URL parameters. Several fields of this data (`$initial_person_info`, `$session_entry_url`, and `$current_url`) were found to contain the full URL of the user's visited page, including the fragment. Users of a standalone Element Call ‘SPA’ instance such as https://call.element.io may therefore have reported the full URLs of certain calls, including encryption passwords, to the configured PostHog server, potentially compromising the confidentiality of the calls to actors who could access both the PostHog analytics data and the encrypted media streams. The same issue is present in Element Call's embedded package, but in practice it does not impact applications using this package (including Element Web, Element Desktop, Element X iOS, and Element X Android) because they distribute encryption keys over Matrix rather than encoding a password in the URL. The issue is patched in Element Call 0.19.4. Some workarounds are available. Users may opt out of analytics in the 'Feedback' tab of Element Call's settings and create new links for future calls. Admins who host Element Call as a standalone application may disable PostHog analytics entirely by removing the `posthog` key from their deployment's config.json file.","state":0,"publishedAt":"2026-08-07T19:32:00.068+00:00","modifiedAt":"2026-08-10T13:27:30.928+00:00","affected":[{"ecosystem":"Vendor product","name":"element-call","ranges":[],"versions":[],"rawVersionEvidence":"{\n                    \"vendor\": \"element-hq\",\n                    \"product\": \"element-call\",\n                    \"versions\": [\n                        {\n                            \"version\": \">= 0.5.17, < 0.19.4\",\n                            \"status\": \"affected\"\n                        }\n                    ]\n                }"}],"metrics":[{"system":"CVSS 4.0","vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:N/SC:N/SI:N/SA:N","score":8.6,"severity":"HIGH"}],"references":["https://github.com/element-hq/element-call/security/advisories/GHSA-6vhh-4xw6-h2h2","https://github.com/element-hq/element-call/releases/tag/v0.19.4"],"sourceUrl":"https://www.cve.org/CVERecord?id=CVE-2026-48007","license":"CVE Program Terms of Use","key":"cve-program:CVE-2026-48007","identifiers":["CVE-2026-48007"]},"retained":false,"historicalAffected":[]},{"revision":"22151704da594aff9cc6f49c0db549ef","observedAt":"2026-11-07T11:28:21.982+00:00","statement":{"source":"euvd","id":"EUVD-2026-54618","aliases":["CVE-2026-48007","GHSA-6vhh-4xw6-h2h2"],"title":"Element Call is a native Matrix video conferencing application. Versions 0.5.17 through 0.19.3 report analytics data to a PostHog server, when configured to by a `posthog` key in config.json or by the `posthogApiHost` and `posthogApiKey` UR…","description":"Element Call is a native Matrix video conferencing application. Versions 0.5.17 through 0.19.3 report analytics data to a PostHog server, when configured to by a `posthog` key in config.json or by the `posthogApiHost` and `posthogApiKey` URL parameters. Several fields of this data (`$initial_person_info`, `$session_entry_url`, and `$current_url`) were found to contain the full URL of the user's visited page, including the fragment. Users of a standalone Element Call ‘SPA’ instance such as https://call.element.io may therefore have reported the full URLs of certain calls, including encryption passwords, to the configured PostHog server, potentially compromising the confidentiality of the calls to actors who could access both the PostHog analytics data and the encrypted media streams. The same issue is present in Element Call's embedded package, but in practice it does not impact applications using this package (including Element Web, Element Desktop, Element X iOS, and Element X Android) because they distribute encryption keys over Matrix rather than encoding a password in the URL. The issue is patched in Element Call 0.19.4. Some workarounds are available. Users may opt out of analytics in the 'Feedback' tab of Element Call's settings and create new links for future calls. Admins who host Element Call as a standalone application may disable PostHog analytics entirely by removing the `posthog` key from their deployment's config.json file.","state":0,"publishedAt":null,"modifiedAt":null,"affected":[],"metrics":[{"system":"EUVD CVSS 4.0","vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:N/SC:N/SI:N/SA:N","score":8.6,"severity":null}],"references":["https://github.com/element-hq/element-call/security/advisories/GHSA-6vhh-4xw6-h2h2","https://github.com/element-hq/element-call/releases/tag/v0.19.4"],"sourceUrl":"https://euvd.enisa.europa.eu/vulnerability/EUVD-2026-54618","license":"ENISA EUVD · source terms and attribution apply","enrichment":{"sourceStatus":null,"weaknesses":[],"productCriteria":[],"sourceDates":{"datePublished":"Aug 7, 2026, 7:32:00 PM","dateUpdated":"Aug 10, 2026, 1:27:30 PM"},"relatedAdvisories":[],"note":"EUVD source date text has no stated timezone and is retained without inventing a UTC instant. Related bulletin membership is not an alias, common cause or applicability claim. A missing vector with a zero score is treated as unrated. Complete vendor/product and underlying source evidence remains in the original JSON."},"key":"euvd:EUVD-2026-54618","identifiers":["EUVD-2026-54618","CVE-2026-48007","GHSA-6vhh-4xw6-h2h2"]},"retained":false,"historicalAffected":[]},{"revision":"68aabf21cbe748d592b55635ce255b41","observedAt":"2026-10-25T12:17:26.301+00:00","statement":{"source":"nvd","id":"CVE-2026-48007","aliases":[],"title":"Element Call is a native Matrix video conferencing application. Versions 0.5.17 through 0.19.3 report analytics data to a PostHog server, when configured to by a `posthog` key in config.json or by the `posthogApiHost` and `posthogApiKey` UR…","description":"Element Call is a native Matrix video conferencing application. Versions 0.5.17 through 0.19.3 report analytics data to a PostHog server, when configured to by a `posthog` key in config.json or by the `posthogApiHost` and `posthogApiKey` URL parameters. Several fields of this data (`$initial_person_info`, `$session_entry_url`, and `$current_url`) were found to contain the full URL of the user's visited page, including the fragment. Users of a standalone Element Call ‘SPA’ instance such as https://call.element.io may therefore have reported the full URLs of certain calls, including encryption passwords, to the configured PostHog server, potentially compromising the confidentiality of the calls to actors who could access both the PostHog analytics data and the encrypted media streams. The same issue is present in Element Call's embedded package, but in practice it does not impact applications using this package (including Element Web, Element Desktop, Element X iOS, and Element X Android) because they distribute encryption keys over Matrix rather than encoding a password in the URL. The issue is patched in Element Call 0.19.4. Some workarounds are available. Users may opt out of analytics in the 'Feedback' tab of Element Call's settings and create new links for future calls. Admins who host Element Call as a standalone application may disable PostHog analytics entirely by removing the `posthog` key from their deployment's config.json file.","state":0,"publishedAt":"2026-08-07T20:16:51.573+00:00","modifiedAt":"2026-10-23T20:10:00.16+00:00","affected":[],"metrics":[{"system":"CVSS 4.0 · security-advisories@github.com · Secondary","vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:N/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X","score":8.6,"severity":"HIGH"}],"references":["https://github.com/element-hq/element-call/releases/tag/v0.19.4","https://github.com/element-hq/element-call/security/advisories/GHSA-6vhh-4xw6-h2h2"],"sourceUrl":"https://nvd.nist.gov/vuln/detail/CVE-2026-48007","license":"NIST NVD usage terms; underlying source attribution retained","enrichment":{"sourceStatus":"Deferred","weaknesses":["CWE-200"],"productCriteria":[],"sourceDates":{"published":"2026-08-07T20:16:51.573","lastModified":"2026-10-23T20:10:00.160"},"relatedAdvisories":[],"note":"NVD analysis and CPE criteria are source context, not proof that a package or your environment is affected. Complete affected data, logical configurations and SSVC are retained in the original JSON."},"key":"nvd:CVE-2026-48007","identifiers":["CVE-2026-48007"]},"retained":false,"historicalAffected":[]},{"revision":"89e77a93d2684aa99f2383de1ea87a38","observedAt":"2026-10-24T13:17:17.793+00:00","statement":{"source":"osv","id":"GHSA-6vhh-4xw6-h2h2","aliases":["CVE-2026-48007"],"title":"Element Call reports full URLs of visited pages to analytics server","description":"### Impact\n\nElement Call versions 0.5.17 through 0.19.3 report analytics data to a PostHog server, when configured to by a `posthog` key in config.json or by the `posthogApiHost` and `posthogApiKey` URL parameters. Several fields of this data (`$initial_person_info`, `$session_entry_url`, and `$current_url`) were found to contain the full URL of the user's visited page, including the fragment.\n\nUsers of a standalone Element Call ‘SPA’ instance such as https://call.element.io may therefore have reported the full URLs of certain calls, including encryption passwords, to the configured PostHog server, potentially compromising the confidentiality of the calls to actors who could access both the PostHog analytics data and the encrypted media streams.\n\nThe same issue is present in Element Call's embedded package, but in practice it does not impact applications using this package (including Element Web, Element Desktop, Element X iOS, and Element X Android) because they distribute encryption keys over Matrix rather than encoding a password in the URL.\n\n### Patches\n\nPatched in Element Call 0.19.4.\n\n### Workarounds\n\nUsers may opt out of analytics in the 'Feedback' tab of Element Call's settings and create new links for future calls.\n\nAdmins who host Element Call as a standalone application may disable PostHog analytics entirely by removing the `posthog` key from their deployment's config.json file.\n\n### For more information\n\nIf there are any questions or comments about this advisory, please send an email to [security at element.io](mailto:security@element.io).","state":0,"publishedAt":"2026-06-11T13:26:17+00:00","modifiedAt":"2026-09-10T03:51:07.978157+00:00","affected":[{"ecosystem":"npm","name":"@element-hq/element-call-embedded","ranges":[{"type":"SEMVER","events":[{"kind":"introduced","version":"0.5.17"},{"kind":"fixed","version":"0.19.4"}]}],"versions":[],"rawVersionEvidence":null}],"metrics":[{"system":"CVSS_V4","vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:N/SC:N/SI:N/SA:N","score":null,"severity":null},{"system":"Publisher rating","vector":null,"score":null,"severity":"HIGH"}],"references":["https://github.com/element-hq/element-call/security/advisories/GHSA-6vhh-4xw6-h2h2","https://github.com/element-hq/element-call","https://github.com/element-hq/element-call/releases/tag/v0.19.4"],"sourceUrl":"https://github.com/advisories/GHSA-6vhh-4xw6-h2h2","license":"GitHub Advisory Database · CC-BY-4.0","key":"osv:GHSA-6vhh-4xw6-h2h2","identifiers":["GHSA-6vhh-4xw6-h2h2","CVE-2026-48007"]},"retained":false,"historicalAffected":[]}],"coverage":[{"source":"cisa-kev:global","scope":"Complete CISA KEV catalog; all vendors. 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