CVE-2025-48927
Actively exploited. CVE-2025-48927 is listed in the CISA Known Exploited Vulnerabilities catalog (added 2025-07-01) — 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 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.
CSIRTS triage
- What
- TM SGNL contains an initialization of a resource with an insecure default vulnerability related to Spring Boot Actuator configuration.
- Who is affected
- Deployments of TeleMessage TM SGNL that expose the heap dump endpoint are vulnerable.
- Urgency
- This is a critical vulnerability with confirmed exploitation, requiring immediate remediation.
- Action
- Reconfigure the Spring Boot Actuator settings and apply any available updates.
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 94% of all EPSS-scored CVEs.
Advisory coverage (1)
- criticalexploitedCVE-2025-48927: TeleMessage TM SGNL Initialization of a Resource with an Insecure Default Vulnerabilitycisa-kev · 2025-07-01
External references
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[](https://www.csirts.com/cve/CVE-2025-48927)