Akka vulnerabilities
6 vulnerabilities
Known vulnerabilities in Akka products, newest first, with CVSS severity, EPSS, KEV listings and ransomware use, across 3 products.
Products
3- Http Server3 vulnerabilities
- Akka2 vulnerabilities
- Akka Management1 vulnerabilities
CVE-2021-42697akkahttp_server+7
EPSS score36.14%
Akka HTTP 10.1.x before 10.1.15 and 10.2.x before 10.2.7 can encounter stack exhaustion while parsing HTTP headers, which allows a remote attacker to conduct a Denial of Service attack by sending a User-Agent header with deeply nested comments.CVE-2025-53393akkaakka+2EPSS score0.22%
In Akka through 2.10.6, akka-cluster-metrics uses Java serialization for cluster metrics.CVE-2025-46548akkaakka_management+9EPSS score0.75%
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.CVE-2017-1000118akkahttp_server+2EPSS score1.10%
Akka HTTP versions <= 10.0.5 Illegal Media Range in Accept Header Causes StackOverflowError Leading to Denial of ServiceCVE-2017-1000034akkaakka+1EPSS score6.19%
Akka versions <=2.4.16 and 2.5-M1 are vulnerable to a java deserialization attack in its Remoting component resulting in remote code execution in the context of the ActorSystem.CVE-2023-44487akkahttp_server+704KEVEPSS score100.00%
The HTTP/2 protocol allows a denial of service (server resource consumption) because request cancellation can reset many streams quickly, as exploited in the wild in August through October 2023.