CVE-2026-92700— Caddy: fileHidden() case-sensitive pattern bypass — exposes "hidden" files via case variation
Quick assessment
Affected
caddyserver caddy
Exploitation
No confirmed in-the-wild exploitation; assess based on exposure
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.
Caddy is an extensible server platform that uses TLS by default. In version 2.11.3 and earlier, in modules/caddyhttp/fileserver/staticfiles.go, fileHidden() uses case-sensitive filepath.Match checks, so case variants can bypass hide rules on case-insensitive f
Affected Version Matrix 1
| Vendor | Product | Version Range | Status |
|---|---|---|---|
| caddyserver | caddy | <= 2.11.3 |
affected |
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I. Basic Information for CVE-2026-92700
Vulnerability Information
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Vulnerability Title
Caddy: fileHidden() case-sensitive pattern bypass — exposes "hidden" files via case variation
Source: CVE Program / CVE List V5
Vulnerability Description
Caddy is an extensible server platform that uses TLS by default. In version 2.11.3 and earlier, in modules/caddyhttp/fileserver/staticfiles.go, fileHidden() uses case-sensitive filepath.Match checks, so case variants can bypass hide rules on case-insensitive filesystems or when mixed-case paths coexist and expose files intended to be hidden.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N
Source: CVE Program / CVE List V5
Vulnerability Type
大小写敏感处理不恰当
Source: CVE Program / CVE List V5
Affected Products
| Vendor | Product | Affected Versions | CPE | Subscribe |
|---|---|---|---|---|
| caddyserver | caddy | <= 2.11.3 | - |
|
II. Public POCs for CVE-2026-92700
| # | POC Description | Source Link | Shenlong Link |
|---|
AI-Generated POC
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Vendor Advisories for CVE-2026-92700 (1)
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V. Comments for CVE-2026-92700
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