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CVE-2026-27588

🗓️ 24 Feb 2026 17:29:00Reported by ubuntu.comType 
ubuntucve
 ubuntucve
🔗 ubuntu.com👁 5 Views

Caddy before 2.11.1 makes large host lists case sensitive, bypassing host routing and access controls; fixed in 2.11.1.

Related
Packages
Refs
ReporterTitlePublishedViews
Family
ATTACKERKB
CVE-2026-27588
24 Feb 202616:28
attackerkb
AlpineLinux
CVE-2026-27588
24 Feb 202616:28
alpinelinux
Circl
CVE-2026-27588
23 Feb 202604:23
circl
CNNVD
Caddy 安全漏洞
24 Feb 202600:00
cnnvd
CVE
CVE-2026-27588
24 Feb 202616:28
cve
Cvelist
CVE-2026-27588 Caddy: MatchHost becomes case-sensitive for large host lists (>100), enabling host-based route/auth bypass
24 Feb 202616:28
cvelist
Debian CVE
CVE-2026-27588
24 Feb 202616:28
debiancve
Fedora
[SECURITY] Fedora 44 Update: caddy-2.10.2-9.fc44
2 Jul 202601:11
fedora
Fedora
[SECURITY] Fedora 43 Update: caddy-2.10.2-9.fc43
2 Jul 202601:12
fedora
Github Security Blog
Caddy: MatchHost becomes case-sensitive for large host lists (>100), enabling host-based route/auth bypass
24 Feb 202620:34
github
Rows per page
OSOS VersionArchitecturePackagePackage VersionFilename
Ubuntu26.04anycaddy0caddy_0_any.deb
Ubuntu24.04anycaddy0caddy_0_any.deb
Ubuntu25.10anycaddy0caddy_0_any.deb

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27 Feb 2026 14:39Current
5.9Medium risk
Vulners AI Score5.9
CVSS 3.19.1
CVSS 48.7
EPSS0.0037
SSVC
5