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Akka HTTP versions <= 10.0.5 Illegal Media Range in Accept Header Causes StackOverflowError Leading to Denial of Service

Priority LOW 35CWE-119Published · 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-119 and the CVSS impact.

Summary

Akka HTTP versions <= 10.0.5 Illegal Media Range in Accept Header Causes StackOverflowError Leading to Denial of Service

Why it matters now

EPSS 0.01103 65th percentileScored 2026-11-07
Fix Fixed com.typesafe.akka:akka-http-core_2.12 (Maven): 10.0.6com.typesafe.akka:akka-http-core_2.11 (Maven): 10.0.6

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)before 10.0.610.0.6Patch availableGHSA-gfx6-ph4q-q54q
—com.typesafe.akka:akka-http-core_2.11 (Maven)before 10.0.610.0.6Patch availableGHSA-gfx6-ph4q-q54q
  • — Vendor— Affected all versions Fixed in — No fix listed CNA
  • com.typesafe.akka:akka-http-core_2.12 (Maven) Vendor— Affected before 10.0.6 Fixed in 10.0.6 Patch available GHSA-gfx6-ph4q-q54q
  • com.typesafe.akka:akka-http-core_2.11 (Maven) Vendor— Affected before 10.0.6 Fixed in 10.0.6 Patch available GHSA-gfx6-ph4q-q54q

CPE configurations NVD · 1

CPEVersionsRoleVendor
cpe:2.3:a:akka:http_server:*:*:*:*:*:*:*:*up to 10.0.5VulnerableAkka
  • cpe:2.3:a:akka:http_server:*:*:*:*:*:*:*:* Versions up to 10.0.5 Vulnerable ·Akka

Remediation

  • Fix · GHSA-gfx6-ph4q-q54q com.typesafe.akka:akka-http-core_2.12 (Maven) Fixed in 10.0.6 Advisory →
  • Fix · GHSA-gfx6-ph4q-q54q com.typesafe.akka:akka-http-core_2.11 (Maven) Fixed in 10.0.6 Advisory →

Timeline

  1. 2026-10-02 Threatist record created from CVE-2017-1000118
  2. 2026-10-03 Alias added: GHSA-gfx6-ph4q-q54q

References

  • TI-2023-23979 The HTTP/2 protocol allows a denial of service (server resource consumption) because… KEVCVSS 3.1HIGH 7.5
  • TI-2021-18910 Akka HTTP 10.1.x before 10.1.15 and 10.2.x before 10.2.7 can encounter stack exhaustion… CVSS 3.1HIGH 7.5

Sources