What’s Vulnerable › Vulnerabilities

CVE-2018-16131

• Severity: high (CVSS 7.5 v3.0)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 3.1% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2018-08-30 · updated 2026-06-17
• Weakness: CWE-400

Description

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.

Affected products

• Lightbend Akka Http: from 10.0.0 through 10.0.13; from 10.1.0 through 10.1.4

References

• https://akka.io/blog/news/2018/08/30/akka-http-dos-vulnerability-found
• https://doc.akka.io/docs/akka-http/current/security/2018-09-05-denial-of-service-via-decodeRequest.html
• https://github.com/akka/akka-http/issues/2137
• https://groups.google.com/forum/#%21topic/akka-security/Dj7INsYWdjg
• https://akka.io/blog/news/2018/08/30/akka-http-dos-vulnerability-found
• https://doc.akka.io/docs/akka-http/current/security/2018-09-05-denial-of-service-via-decodeRequest.html
• https://github.com/akka/akka-http/issues/2137
• https://groups.google.com/forum/#%21topic/akka-security/Dj7INsYWdjg

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