# CVE-2025-47729: TeleMessage TM SGNL Hidden Functionality Vulnerability

Source: https://junglewise.ai/threats/cve-2025-47729-telemessage-tm-sgnl-hidden-functionality-vulnerability  
Publisher: Junglewise Threat Intelligence, https://junglewise.ai/threats  
Published: 2025-05-12. Updated: 2026-05-09  
License: CC BY 4.0 with a link back

CVE-2025-47729 · Severity: critical · CVSS 4.9 · Exploited in the wild · Published 2025-05-12

TeleMessage TM SGNL (Archive Signal) contains hidden functionality where the archiving backend stores cleartext copies of user messages. This contradicts the product's documentation regarding end-to-end encryption and allows for unauthorized access to message content.

Technologies: [Telemessage TM SGNL](https://junglewise.ai/threats/technologies/tm-sgnl). Vendors: [Telemessage](https://junglewise.ai/threats/vendors/telemessage).

## Quick answers

**Is CVE-2025-47729 exploited in the wild?** Yes. CVE-2025-47729 is known to be exploited in the wild, first recorded on 12 May 2025. Treat it as urgent.

**How severe is CVE-2025-47729?** Critical severity, with a CVSS score of 4.9, published 12 May 2025.

**Which products and versions are affected?** TeleMessage TM SGNL (Archive Signal) through 2025-05-05; TeleMessage Text Message Archiver up to (including) 2025-05-05.

**Is there a fix for CVE-2025-47729?** No fixed version is recorded yet. Check the vendor's advisory in the references below. If you run it, Junglewise drafts a mitigation that fits your setup and applies it once you approve, with senior security engineers behind it.

**How is CVE-2025-47729 attacked?** It is attacked over the network, in a hosted service.

**Am I affected by CVE-2025-47729?** Check whether you run Telemessage TM SGNL. Junglewise does that check for you around the clock: connect your code, cloud and domains, and it matches new vulnerabilities like this one against what you actually run and tells you when one reaches you.

## Affected products

- TeleMessage TM SGNL (Archive Signal) through 2025-05-05
- TeleMessage Text Message Archiver up to (including) 2025-05-05

## Timeline

- 2025-05-05: other: Vulnerability reported as being investigated by TeleMessage
- 2025-05-08: disclosed: CVE published by NVD/MITRE
- 2025-05-12: kev added: Added to CISA Known Exploited Vulnerabilities Catalog
- 2025-05-01: exploited: Exploited in the wild in May 2025

## Related threats

- [TeleMessage TM SGNL insecure default configuration in Spring Boot Actuator](https://junglewise.ai/threats/cve-2025-48927-telemessage-tm-sgnl-insecure-default-configuration-in-spring-boot)
- [TeleMessage TM SGNL core dump exposure in JSP application](https://junglewise.ai/threats/cve-2025-48928-telemessage-tm-sgnl-core-dump-exposure-in-jsp-application)