Description
The TeleMessage archiving backend through 2025-05-05 accepts API calls (to request an authentication token) from the TM SGNL (aka Archive Signal) app with the credentials of logfile for the user and enRR8UVVywXYbFkqU#QDPRkO for the password.
Affected products
| Vendor | Product | Affected | Fixed |
|---|---|---|---|
| TeleMessage | archiving backend | ≤ 2025-05-05 | — |
References
- https://news.ycombinator.com/item?id=43909220
- https://arstechnica.com/security/2025/05/signal-clone-used-by-trump-official-stops-operations-after-report-it-was-hacked/
- https://www.theregister.com/2025/05/05/telemessage_investigating/
- https://github.com/micahflee/TM-SGNL-Android/blob/bd7ccbb8bc79193fc4c57cae7cc1051e6250fa89/app/src/tm/java/org/archiver/ArchiveConstants.kt#L45-L46