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CVE-2026-27590

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

Caddy before 2.11.1 mis-splits paths using lowercased Unicode, risking SCRIPT_NAME and PATH_INFO confusion and unintended execution.

Related
Packages
Refs
ReporterTitlePublishedViews
Family
ATTACKERKB
CVE-2026-27590
24 Feb 202616:33
attackerkb
AlpineLinux
CVE-2026-27590
24 Feb 202616:33
alpinelinux
Information Security Automation
March Linux Patch Wednesday
30 Mar 202620:00
avleonov
Circl
CVE-2026-27590
23 Feb 202604:22
circl
CNNVD
Caddy 安全漏洞
24 Feb 202600:00
cnnvd
CVE
CVE-2026-27590
24 Feb 202616:33
cve
Cvelist
CVE-2026-27590 Caddy: Unicode case-folding length expansion causes incorrect split_path index (SCRIPT_NAME/PATH_INFO confusion) in FastCGI transport
24 Feb 202616:33
cvelist
Debian CVE
CVE-2026-27590
24 Feb 202616:33
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
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 14:36Current
7.3High risk
Vulners AI Score7.3
CVSS 3.19.8
CVSS 49.3
EPSS0.00542
SSVC
5