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Akka CVEs

12 CVEs, 1 exploited, 2 protected by Waratek

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Overview 12 matches · 2 protected · 1 exploited · 1 CISA KEV · 2 public PoC · 1 EPSS ≥ 0.5
12matches 2protected16.7% 1exploited8.3% 1CISA KEV8.3% 2public PoC16.7% 1EPSS ≥ 0.58.3%
Protected by Waratek 2 16.7% Rule in development 0 0.0% Mitigation candidate 2 16.7% No exploit published 8 66.7%
Critical 1 8.3% High 7 58.3% Medium 4 33.3% Low 0 0.0% None 0 0.0% Unknown 0 0.0%
blocked by ARMR today 2 16.7% partly blocked 0 0.0% not blocked 10 83.3% not established 0 0.0% unrecorded 0 0.0%
Exploited 1 8.3% Working exploit published 1 8.3% Proof of concept only 0 0.0% Forecast only 0 0.0% No public exploit 10 83.3%
split by peak 3 / year
No exploit published: 8Mitigation candidate: 2Protected by Waratek: 2 Medium: 4High: 7Critical: 1 not blocked: 10blocked by ARMR today: 2 No public exploit: 10Working exploit published: 1Exploited: 1
20172 Protected by Waratek1 No exploit published1 High2 blocked by ARMR today1 not blocked1 No public exploit2 20182 No exploit published2 Critical1 High1 not blocked2 No public exploit2 20190 20201 No exploit published1 High1 not blocked1 No public exploit1 20213 Mitigation candidate1 No exploit published2 High2 Medium1 not blocked3 Working exploit published1 No public exploit2 20220 20232 Mitigation candidate1 No exploit published1 High1 Medium1 not blocked2 Exploited1 No public exploit1 20240 20252 Protected by Waratek1 No exploit published1 Medium2 blocked by ARMR today1 not blocked1 No public exploit2
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12 matches Sign in to download these CVEs as CSV or JSON, or to follow them in a feed.
CVE Severity Published▾ Status Exploitation Description
CVE-2025-53393 Medium 2025-06-28 Protected by Waratek No public exploit In Akka through 2.10.6, akka-cluster-metrics uses Java serialization for cluster metrics.
CVE-2025-46548 Medium 2025-06-03 No exploit published No public exploit 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-2023-44487 High 2023-10-10 Mitigation candidate Exploited 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.
CVE-2023-29471 Medium 2023-04-27 No exploit published No public exploit Lightbend Alpakka Kafka before 5.0.0 logs its configuration as debug information, and thus log files may contain credentials (if plain cleartext login is configured). This occurs in akka.kafka.internal.KafkaConsumerActor.
CVE-2021-42697 High 2021-11-02 Mitigation candidate Working exploit published 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-2021-23339 Medium 2021-02-17 No exploit published No public exploit This affects all versions before 10.1.14 and from 10.2.0 to 10.2.4 of package com.typesafe.akka:akka-http-core. It allows multiple Transfer-Encoding headers.
CVE-2020-28452 High 2021-01-20 No exploit published No public exploit This affects the package com.softwaremill.akka-http-session:core_2.12 from 0 and before 0.6.1; all versions of package com.softwaremill.akka-http-session:core_2.11; the package com.softwaremill.akka-http-session:core_2.13 from 0 and before 0.6.1. CSRF protection can be bypassed by forging a request that contains the same value for both the X-XSRF-TOKEN header and the XSRF-TOKEN cookie value, as the check in randomTokenCsrfProtection only checks that the two values are equal and non-empty.
CVE-2020-7780 High 2020-11-27 No exploit published No public exploit This affects the package com.softwaremill.akka-http-session:core_2.13 before 0.5.11; the package com.softwaremill.akka-http-session:core_2.12 before 0.5.11; the package com.softwaremill.akka-http-session:core_2.11 before 0.5.11. For older versions, endpoints protected by randomTokenCsrfProtection could be bypassed with an empty X-XSRF-TOKEN header and an empty XSRF-TOKEN cookie.
CVE-2018-16131 High 2018-08-30 No exploit published No public exploit The decodeRequest and decodeRequestWith directives in Lightbend Akka HTTP 10.1.x through 10.1.4 and 10.0.x through 10.0.13 allow remote attackers to cause a denial of service (memory consumption and daemon crash) via a ZIP bomb.
CVE-2018-16115 Critical 2018-08-29 No exploit published No public exploit Lightbend Akka 2.5.x before 2.5.16 allows message disclosure and modification because of an RNG error. A random number generator is used in Akka Remoting for TLS (both classic and Artery Remoting). Akka allows configuration of custom random number generators. For historical reasons, Akka included the AES128CounterSecureRNG and AES256CounterSecureRNG random number generators. The implementations had a bug that caused the generated numbers to be repeated after only a few bytes. The custom RNG implementations were not configured by default but examples in the documentation showed (and therefore implicitly recommended) using the custom ones. This can be used by an attacker to compromise the communication if these random number generators are enabled in configuration. It would be possible to eavesdrop, replay, or modify the messages sent with Akka Remoting/Cluster.
CVE-2017-1000118 High 2017-10-05 No exploit published No public exploit Akka HTTP versions <= 10.0.5 Illegal Media Range in Accept Header Causes StackOverflowError Leading to Denial of Service
CVE-2017-1000034 High 2017-07-17 Protected by Waratek No public exploit 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.