CVE catalog
CVE-2018-21246
caddy: CVE-2018-21246
- Severity
- High · CVSS 7.4
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:N - Published
- Source
- [NVD] · [CVE record]
- EPSS
- 2.72% · Oct 25, 2026
Caddy before 0.10.13 mishandles TLS client authentication, as demonstrated by an authentication bypass caused by the lack of the StrictHostMatching mode.
Vulnerable and fixed packages
Distribution-reported package versions and fixes. These do not depend on matching against the OpenFactory package catalog.
| Distribution | Package | Release | Version | Status |
|---|---|---|---|---|
| Debian | caddy | sid | 2.11.4-1 | not affected |
| Debian | caddy | forky | 2.11.4-1 | not affected |
| Debian | caddy | trixie | 2.6.2-12+deb13u1 | not affected |
| Debian | caddy | trixie-security | 2.6.2-12+deb13u1 | not affected |
| Debian | caddy | bookworm | 2.6.2-5 | not affected |
| Debian | caddy | bookworm-security | 2.6.2-5+deb12u1 | not affected |
Fixed-version evidence
| Distribution | Package | Type | Release | Fixed version | Urgency | Origin | Bugs |
|---|---|---|---|---|---|---|---|
| Debian | caddy | source | sid | Not affected | unimportant | Not reported | Not reported |
| Debian | caddy | source | forky | Not affected | unimportant | Not reported | Not reported |
| Debian | caddy | source | trixie | Not affected | unimportant | Not reported | Not reported |
| Debian | caddy | source | bookworm | Not affected | unimportant | Not reported | Not reported |
OpenFactory catalog packages
Matching against OpenFactory catalog package versions is in progress.
[Debian 12 (Bookworm)]
- [caddy]Unknown
Details (2)
2.6.2-5· amd64 · bookwormNot affected
dsa · caddy · debian · bookworm
2.6.2-5· arm64 · bookwormNot affected
dsa · caddy · debian · bookworm
Observed: