TeleMessage TM SGNL: 3 exploited vulnerabilities (CVE-2025-47729, CVE-2025-48927, CVE-2025-48928)

CVE-2025-47729: TeleMessage TM SGNL contains a hidden functionality vulnerability in which the archiving backend holds cleartext copies of messages from TM SGNL application users. CVE-2025-48927: TeleMessage TM SGNL contains an initialization of a resource with an insecure default vulnerability. This vulnerability relies on how the Spring Boot Actuator is configured with an exposed heap dump endpoint at a /heapdump URI. CVE-2025-48928: TeleMessage TM SGNL contains an exposure of core dump file to an unauthorized control sphere Vulnerability. This vulnerability is based on a JSP application in which the heap content is roughly equivalent to a "core dump" in which a password previously sent over HTTP would be included in this dump. Added to CISA KEV on 2025-05-12 and 2025-07-01.

Why this severity: CVSS 5.3 (CNA, v3.1); actively exploited (CISA KEV)

Started

May 12, 2025

Closed

Jul 1, 2025

CVEs

CVE-2025-47729CVE-2025-48927CVE-2025-48928

• #TeleMessage
• CISA KEV

Notes & caveats

Derived from CISA KEV JSON feed catalogVersion 2026.10.21. CVSS from the CVE record (cvelistV5). Exact affected/fixed version strings are not always in the KEV record; verify against the vendor advisory URL. startedAt uses dateAdded (exploitation may have begun earlier; many entries are older CVEs newly confirmed as exploited in 2025).