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CVE-2025-53393

Severity6.0 Medium CVSS 3.1
WeaknessDeserialization of untrusted data (CWE-502)
Published28 Jun 2025
Updated17 Jun 2026

Description

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

Exploitation status

No public exploit

No exploit has been reported in the sources we check. Published a year ago.

  • CISA KEV not listed
  • VulnCheck KEV not listed
  • CISA Vulnrichment exploitation: none
  • Indexed PoC none indexed
  • EPSS 0.23% chance in 30 days

Waratek protection

Protected by Waratek

Waratek has a rule that blocks attacks on this vulnerability.

Decided by A vulnerability class already blocked by an ARMR security rule
Finding Protected by Waratek's ARMR deserialization security rule, which blocks this class of attack at the JVM level without a rule written for this CVE specifically. The CVE's weakness is CWE-502: Deserialization of Untrusted Data.
Candidate fix https://github.com/akka/akka/pull/32748 : a pull request: the change under review

How to mitigate CVE-2025-53393

Apply the vendor's fix. Until you can, Waratek RASP blocks exploitation with its deserialization and process rules. It runs inside the Java application, with no code changes.

Waratek RASP Runtime protection for Java applications

Affected software and releases

Maven packages

Affected and fixed versions, from OSV.dev
PackageIntroducedFixedLast affected
com.typesafe.akka:akka-cluster-metrics_3 0 none 2.10.6
com.typesafe.akka:akka-cluster-metrics_2.13 0 none 2.10.6

Products and versions

2 products, 2 version entries
SourceVendorProductSchemeAffected versions
osv com.typesafe.akka akka-cluster-metrics_2.13 generic ≤ 2.10.6
osv com.typesafe.akka akka-cluster-metrics_3 generic ≤ 2.10.6

References

URLTags
https://github.com/akka/akka/pull/32748 pr
https://github.com/akka/akka/commit/d69a082abfa26ccc076f090a6486ccfee9d7c481 WEB
https://github.com/akka/akka PACKAGE

Timeline

Published2025-06-28By the CVE Program.
NVD record modified2026-06-17NVD's own last-modified date for this record.