CVE-2026-62347

Description

Element Call is a native Matrix video conferencing application. From 0.16.0 until 0.20.3, the standalone Element Call `SPA` logs the `password` URL query parameter. When a user submits an error report, called a rageshake, these logs are shared with the application operator. Users can therefore unintentionally disclose the shared `password` used to encrypt the call, potentially compromising call confidentiality. Avoiding submission of bug reports or debug logs prevents this disclosure path in affected versions. Upgrading does not remove secrets from previously collected `rageshakes`, which require separate cleanup by the log-server operator. This issue is fixed in version 0.20.3.

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Weakness Type (CWE)

CWE-532 CWE-532

References

Other References

https://github.com/element-hq/element-call/commit/51bd17d3356462f09560100f2813511924eee375 https://github.com/element-hq/element-call/commit/a47c1536fcccd73ed7cdb89fff7d1c96d205b1b6 https://github.com/element-hq/element-call/releases/tag/v0.20.3 https://github.com/element-hq/element-call/releases/tag/v0.21.0 https://github.com/element-hq/element-call/security/advisories/GHSA-wpww-g4f9-vg8x

Frequently Asked Questions

What is CVE-2026-62347? +

Element Call is a native Matrix video conferencing application. From 0.16.0 until 0.20.3, the standalone Element Call `SPA` logs the `password` URL query parameter. When a user submits an error report, called a rageshake, these logs are shared with the application operator. Users can therefore unintentionally disclose the shared `password` used to encrypt the call, potentially compromising call confidentiality. Avoiding submission of bug reports or debug logs prevents this disclosure path in affected versions. Upgrading does not remove secrets from previously collected `rageshakes`, which require separate cleanup by the log-server operator. This issue is fixed in version 0.20.3.

How do I check if I'm vulnerable to CVE-2026-62347? +

You can use Secably's free Website Scanner to check your website for known vulnerabilities. For infrastructure scanning, use the Port Scanner to identify exposed services that may be affected. Check the vendor advisories linked above for specific patch and version information.

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