caddy: Caddy is an extensible server platform that uses TLS by default
CVE-2026-27585 is fixed in 4 products on 1 platform, first by DEBIAN-CVE-2026-27585, released February 24, 2026. It is not reported as exploited. Patch Radar priority: Routine.
Caddy is an extensible server platform that uses TLS by default. Prior to version 2.11.1, the path sanitization routine in file matcher doesn't sanitize backslashes which can lead to bypassing path related security protections. It affects users with specific Caddy and environment configurations. Version 2.11.1 fixes the issue.
Where it's fixed
| Product | Fixed in | Fix | Released |
|---|---|---|---|
| Linux | |||
| caddy · Debian 12.15 (bookworm) | 2.6.2-5+deb12u1 | DEBIAN-CVE-2026-27585 | Feb 24, 2026 |
| caddy · Debian 13.5 (trixie) | 2.6.2-12+deb13u1 | DEBIAN-CVE-2026-27585 | Feb 24, 2026 |
| caddy · Debian 14 | 2.11.2-1 | DEBIAN-CVE-2026-27585 | Feb 24, 2026 |
| caddy · Fedora 43 | 2.10.2-9.fc43 | FEDORA-2026-3DC324BD9A | Jun 23, 2026 |
| caddy-debuginfo · Fedora 43 | 2.10.2-9.fc43 | FEDORA-2026-3DC324BD9A | Jun 23, 2026 |
| caddy-debugsource · Fedora 43 | 2.10.2-9.fc43 | FEDORA-2026-3DC324BD9A | Jun 23, 2026 |
| govulncheck-vulndb · opensuse-leap 15.6 | 0.0.20260226T182644-150000.1.149.1 | SUSE-SU-2026:0757-1 | Mar 3, 2026 |
| govulncheck-vulndb · opensuse-leap 16.0 | 0.0.20260723T184607-160000.1.1 | OPENSUSE-SU-2026:21483-1 | Jul 30, 2026 |
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