CVE-2025-46548 Pekko Management may not properly apply authenticator when Basic Authentication is enabled

Medium 6.5 Published Updated

Attackers can bypass basic authentication in Pekko/Akka Management API when enabled via Java DSL, exposing management endpoints to unauthorized access.

Exploited in the wild
Not known
Login needed
Not needed
Attackable
Over the internet
Victim action needed
Not needed
Fix
Available

What is CVE-2025-46548?

CVE-2025-46548 is a medium-severity authentication bypass vulnerability in Apache Software Foundation Akka Management, published on 3 Jun 2025. An attacker can exploit it over the internet without logging in, with no action from the victim.

Official description

If you enable Basic Authentication in Pekko Management using the Java DSL, the authenticator may not be properly applied.

Users that rely on authentication instead of making sure the Management API ports are only available to trusted users are recommended to upgrade to version 1.1.1, which fixes this issue.

Akka was affected by the same issue and has released the fix in version 1.6.1.

Weakness: CWE-287

Which versions are affected by CVE-2025-46548?

12 open source packages ship an affected version, including com.lightbend.akka.management:akka-management_2.12, com.lightbend.akka.management:akka-management_2.13 and com.lightbend.akka.management:akka-management_3. It affects 2 products.

PackageAffectedFixed in
com.lightbend.akka.management:akka-management_2.12 MavenAll versions1.6.1
com.lightbend.akka.management:akka-management_2.12 MavenAll versions1.6.1
com.lightbend.akka.management:akka-management_2.13 MavenAll versions1.6.1
com.lightbend.akka.management:akka-management_2.13 MavenAll versions1.6.1
com.lightbend.akka.management:akka-management_3 MavenAll versions1.6.1
com.lightbend.akka.management:akka-management_3 MavenAll versions1.6.1
6 more packages
org.apache.pekko:pekko-management_2.12 MavenAll versions1.1.1
org.apache.pekko:pekko-management_2.12 MavenAll versions1.1.1
org.apache.pekko:pekko-management_2.13 MavenAll versions1.1.1
org.apache.pekko:pekko-management_2.13 MavenAll versions1.1.1
org.apache.pekko:pekko-management_3 MavenAll versions1.1.1
org.apache.pekko:pekko-management_3 MavenAll versions1.1.1

Products include Akka Akka Management, Apache Pekko Management.

How do I fix CVE-2025-46548?

Upgrade com.lightbend.akka.management:akka-management_2.12 to 1.6.1 or later.

Upgrade, and rotate credentials and sessions that may have been exposed. More about Authentication bypass.

Is CVE-2025-46548 being exploited?

There is no known exploitation of CVE-2025-46548 in the wild and no public exploit code.

Sources

Also known as GHSA-9qvj-rpj8-v5c8.

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