CVE-2025-47729
Low CVSS 1.9 Known exploitedPublished 2025-05-08 · last changed 2026-06-17 · added to CISA KEV 2025-05-12
The fix
We hold no Microsoft remediation data for CVE-2025-47729, which normally means it is not a Windows CVE. For non-Microsoft software the fix is the vendor's own updated release, and the affected versions are listed below.
What it is
The TeleMessage archiving backend through 2025-05-05 holds cleartext copies of messages from TM SGNL (aka Archive Signal) app users, which is different functionality than described in the TeleMessage "End-to-End encryption from the mobile phone through to the corporate archive" documentation, as exploited in the wild in May 2025.
Sources
CVSS vector: CVSS:3.1/AV:L/AC:H/PR:H/UI:N/S:U/C:L/I:N/A:N