Read the docs
TI-2018-11531 Aliases CVE-2018-16131GHSA-9qgc-p27w-3hjg

The decodeRequest and decodeRequestWith directives in Lightbend Akka HTTP 10.1.x through…

Priority LOW 38CWE-400Published · Updated

Key facts

Attack vector
Network
Privileges required
None
User interaction
None
Attack complexity
Low
Impact type
Denial of service
Confidentiality · integrity · availability
None · None · High
Fix status
Fixed

Attack profile from CVSS 3.0 · NVD. Fix status from CNA and GitHub. Impact type from CWE-400.

Summary

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.

Why it matters now

EPSS 0.03054 87th percentileScored 2026-11-07
Fix Fixed com.typesafe.akka:akka-http-core_2.12 (Maven): 10.1.4com.typesafe.akka:akka-http-core_2.11 (Maven): 10.1.4

SSVC decision points

Not available: CISA has not published SSVC decision points for this record.

Affected products

VendorProductAffected versionsFixed inStatusSource
——all versions—No fix listedCNA
—com.typesafe.akka:akka-http-core_2.12 (Maven)10.1.0 to before 10.1.410.1.4Patch availableGHSA-9qgc-p27w-3hjg
—com.typesafe.akka:akka-http-core_2.11 (Maven)10.1.0 to before 10.1.410.1.4Patch availableGHSA-9qgc-p27w-3hjg
  • — Vendor— Affected all versions Fixed in — No fix listed CNA
  • com.typesafe.akka:akka-http-core_2.12 (Maven) Vendor— Affected 10.1.0 to before 10.1.4 Fixed in 10.1.4 Patch available GHSA-9qgc-p27w-3hjg
  • com.typesafe.akka:akka-http-core_2.11 (Maven) Vendor— Affected 10.1.0 to before 10.1.4 Fixed in 10.1.4 Patch available GHSA-9qgc-p27w-3hjg

CPE configurations NVD · 1

CPEVersionsRoleVendor
cpe:2.3:a:lightbend:akka_http:*:*:*:*:*:*:*:*10.0.0 – 10.0.13; 10.1.0 – 10.1.4VulnerableLightbend
  • cpe:2.3:a:lightbend:akka_http:*:*:*:*:*:*:*:* Versions 10.0.0 – 10.0.13; 10.1.0 – 10.1.4 Vulnerable ·Lightbend

Remediation

  • Fix · GHSA-9qgc-p27w-3hjg com.typesafe.akka:akka-http-core_2.12 (Maven) Fixed in 10.1.4 Advisory →
  • Fix · GHSA-9qgc-p27w-3hjg com.typesafe.akka:akka-http-core_2.11 (Maven) Fixed in 10.1.4 Advisory →

Timeline

  1. 2026-10-02 Threatist record created from CVE-2018-16131
  2. 2026-10-03 Alias added: GHSA-9qgc-p27w-3hjg

References

Patch 1

Advisory 4

Other 2

  • TI-2023-16422 When Akka HTTP before 10.5.2 accepts file uploads via the… CVSS 3.1MEDIUM 5.5

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences