CVE-2025-47729
Actively exploited. CVE-2025-47729 is listed in the CISA Known Exploited Vulnerabilities catalog (added 2025-05-12) — exploitation has been observed in the wild, and US federal agencies are required to remediate it under BOD 22-01. Treat patching as urgent.
TeleMessage TM SGNL contains a hidden functionality vulnerability in which the archiving backend holds cleartext copies of messages from TM SGNL application users.
CSIRTS triage
- What
- This vulnerability involves the archiving backend holding cleartext copies of messages from TM SGNL application users.
- Who is affected
- Users of the TM SGNL application are affected.
- Urgency
- Remediation is critical as the vulnerability is actively exploited.
- Action
- Users should apply the recommended security measures from TeleMessage.
AI-assisted analysis generated from the source advisory — verify against the original.
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Exploitation outlook
- Exploitation confirmedAlready exploited in the wild (CISA KEV) — the prediction phase is over. Patch now. Riskier than 33% of all EPSS-scored CVEs.
Advisory coverage (1)
- criticalexploitedCVE-2025-47729: TeleMessage TM SGNL Hidden Functionality Vulnerabilitycisa-kev · 2025-05-12
External references
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[](https://www.csirts.com/cve/CVE-2025-47729)