Caddy is an extensible server platform that uses TLS by default. In version 2.11.3 and earlier, in modules/caddyhttp/replacer.go, resolving http.request.body reads the complete request body with an unbounded io.Copy before request-body middleware limits apply, allowing memory exhaustion and process termination.
History

Wed, 23 Sep 2026 21:00:00 +0000

Type Values Removed Values Added
First Time appeared Caddyserver
Caddyserver caddy
Vendors & Products Caddyserver
Caddyserver caddy

Wed, 23 Sep 2026 20:30:00 +0000

Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'yes', 'Exploitation': 'poc', 'Technical Impact': 'partial'}, 'version': '2.0.3'}


Wed, 23 Sep 2026 18:30:00 +0000

Type Values Removed Values Added
Description Caddy is an extensible server platform that uses TLS by default. In version 2.11.3 and earlier, in modules/caddyhttp/replacer.go, resolving http.request.body reads the complete request body with an unbounded io.Copy before request-body middleware limits apply, allowing memory exhaustion and process termination.
Title Caddy: Unbounded body buffer via {http.request.body} placeholder — memory exhaustion DoS
Weaknesses CWE-770
References
Metrics cvssV4_0

{'score': 6.9, 'vector': 'CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N'}


cve-icon MITRE

Status: PUBLISHED

Assigner: GitHub_M

Published: 2026-09-23T17:58:42.789Z

Updated: 2026-09-23T19:21:14.152Z

Reserved: 2026-09-15T22:16:18.051Z

Link: CVE-2026-92284

cve-icon Vulnrichment

Updated: 2026-09-23T19:18:57.229Z

cve-icon NVD

Status : Deferred

Published: 2026-09-23T19:19:43.940

Modified: 2026-09-30T16:42:45.247

Link: CVE-2026-92284

cve-icon Redhat

No data.