CVE-2025-48928
Actively exploited. CVE-2025-48928 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 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.
CSIRTS triage
- What
- TM SGNL contains an exposure of core dump file to an unauthorized control sphere vulnerability that may disclose sensitive information.
- Who is affected
- Deployments of TeleMessage TM SGNL that utilize the affected JSP application are at risk.
- Urgency
- This vulnerability is critical and has been exploited, making remediation urgent.
- Action
- Implement security measures to restrict access to core dump files and apply 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 29% of all EPSS-scored CVEs.
Advisory coverage (1)
- criticalexploitedCVE-2025-48928: TeleMessage TM SGNL Exposure of Core Dump File to an Unauthorized Control Sphere Vulnerabilitycisa-kev · 2025-07-01
External references
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[](https://www.csirts.com/cve/CVE-2025-48928)