{"schema_version":1,"title":"github.com/caddyserver/caddy (Go) vulnerabilities","summary":"Junglewise Threat Intelligence has tracked 7 vulnerabilities in github.com/caddyserver/caddy (Go): 0 in the last 7 days and 0 in the last 90 days, 0 of them critical and 0 exploited in the wild. The most recent, CVE-2026-52846, was published on 23 June 2026.","url":"https://junglewise.ai/threats/technologies/github-com-caddyserver-caddy","json_url":"https://junglewise.ai/threats/technologies/github-com-caddyserver-caddy.json","publisher":"Junglewise Threat Intelligence","license":"CC-BY-4.0","license_url":"https://creativecommons.org/licenses/by/4.0/","attribution":"Junglewise Threat Intelligence, https://junglewise.ai/threats/technologies/github-com-caddyserver-caddy","sources":"NVD, GitHub Security Advisories, OSV, the CISA Known Exploited Vulnerabilities catalog, FIRST EPSS and vendor advisories","kind":"technology","counts":{"high":2,"all_time":7,"critical":0,"exploited":0,"last_7_days":0,"last_30_days":0,"last_90_days":0,"last_365_days":3},"latest":[{"cve":"CVE-2026-52846","cvss":4.2,"epss":0.0025,"slug":"cve-2026-52846-caddyserver-caddy-xss-bypass-in-striphtml-template-function","title":"Caddyserver Caddy XSS bypass in stripHTML template function","severity":"medium","exploited":false,"published_at":"2026-06-23T18:18:05.4+00:00","url":"https://junglewise.ai/threats/cve-2026-52846-caddyserver-caddy-xss-bypass-in-striphtml-template-function"},{"cve":"CVE-2026-52845","cvss":8.1,"epss":0.0045,"slug":"cve-2026-52845-caddy-authentication-bypass-via-fastcgi-header-normalization","title":"Caddy authentication bypass via FastCGI header normalization collision","severity":"high","exploited":false,"published_at":"2026-06-23T18:18:05.267+00:00","url":"https://junglewise.ai/threats/cve-2026-52845-caddy-authentication-bypass-via-fastcgi-header-normalization"},{"cve":"CVE-2026-52844","cvss":7.5,"epss":0.0062,"slug":"cve-2026-52844-caddy-path-authorization-bypass-on-windows-via-encoded-backslash","title":"Caddy path authorization bypass on Windows via encoded backslash","severity":"high","exploited":false,"published_at":"2026-06-23T18:18:05.137+00:00","url":"https://junglewise.ai/threats/cve-2026-52844-caddy-path-authorization-bypass-on-windows-via-encoded-backslash"},{"cve":"CVE-2022-34037","cvss":3.1,"epss":0.0119,"slug":"cve-2022-34037-withdrawn-advisory-out-of-bounds-read-can-lead-to-client-side","title":"Withdrawn Advisory: Out-of-bounds Read can lead to client side denial of service","severity":"low","exploited":false,"published_at":"2022-07-23T00:00:22+00:00","url":"https://junglewise.ai/threats/cve-2022-34037-withdrawn-advisory-out-of-bounds-read-can-lead-to-client-side"},{"cve":"CVE-2022-29718","cvss":3.1,"epss":0.0103,"slug":"cve-2022-29718-open-redirect-in-caddy","title":"Open redirect in caddy","severity":"low","exploited":false,"published_at":"2022-06-03T00:00:29+00:00","url":"https://junglewise.ai/threats/cve-2022-29718-open-redirect-in-caddy"},{"cve":"CVE-2018-19148","cvss":3,"epss":0.0086,"slug":"cve-2018-19148-caddy-allows-enumeration-of-certificates-and-hostnames","title":"Caddy allows enumeration of Certificates and Hostnames","severity":"low","exploited":false,"published_at":"2022-05-14T01:37:58+00:00","url":"https://junglewise.ai/threats/cve-2018-19148-caddy-allows-enumeration-of-certificates-and-hostnames"},{"cve":"CVE-2018-21246","cvss":3.1,"epss":0.0272,"slug":"cve-2018-21246-caddy-vulnerable-to-authentication-bypass-due-to-mishandling-of","title":"GO-2020-0043 - Authentication bypass in github.com/mholt/caddy","severity":"low","exploited":false,"published_at":"2021-04-14T20:04:52+00:00","url":"https://junglewise.ai/threats/cve-2018-21246-caddy-vulnerable-to-authentication-bypass-due-to-mishandling-of"}],"weekly":[{"week":"2026-06-29","critical":0,"exploited":0,"vulnerabilities":0},{"week":"2026-07-06","critical":0,"exploited":0,"vulnerabilities":0},{"week":"2026-07-13","critical":0,"exploited":0,"vulnerabilities":0},{"week":"2026-07-20","critical":0,"exploited":0,"vulnerabilities":0},{"week":"2026-07-27","critical":0,"exploited":0,"vulnerabilities":0},{"week":"2026-08-03","critical":0,"exploited":0,"vulnerabilities":0},{"week":"2026-08-10","critical":0,"exploited":0,"vulnerabilities":0},{"week":"2026-08-17","critical":0,"exploited":0,"vulnerabilities":0},{"week":"2026-08-24","critical":0,"exploited":0,"vulnerabilities":0},{"week":"2026-08-31","critical":0,"exploited":0,"vulnerabilities":0},{"week":"2026-09-07","critical":0,"exploited":0,"vulnerabilities":0},{"week":"2026-09-14","critical":0,"exploited":0,"vulnerabilities":0},{"week":"2026-09-21","critical":0,"exploited":0,"vulnerabilities":0}],"related":[{"name":"github.com/siyuan-note/siyuan/kernel (Go)","slug":"github-com-siyuan-note-siyuan-kernel","vulnerabilities":83,"url":"https://junglewise.ai/threats/technologies/github-com-siyuan-note-siyuan-kernel"},{"name":"code.gitea.io/gitea (Go)","slug":"code-gitea-io-gitea","vulnerabilities":76,"url":"https://junglewise.ai/threats/technologies/code-gitea-io-gitea"},{"name":"github.com/rclone/rclone (Go)","slug":"github-com-rclone-rclone","vulnerabilities":26,"url":"https://junglewise.ai/threats/technologies/github-com-rclone-rclone"},{"name":"gogs.io/gogs (Go)","slug":"gogs-io-gogs","vulnerabilities":25,"url":"https://junglewise.ai/threats/technologies/gogs-io-gogs"},{"name":"github.com/filebrowser/filebrowser/v2 (Go)","slug":"github-com-filebrowser-filebrowser-v2","vulnerabilities":18,"url":"https://junglewise.ai/threats/technologies/github-com-filebrowser-filebrowser-v2"},{"name":"github.com/fission/fission (Go)","slug":"github-com-fission-fission","vulnerabilities":18,"url":"https://junglewise.ai/threats/technologies/github-com-fission-fission"},{"name":"github.com/klever-io/klever-go (Go)","slug":"github-com-klever-io-klever-go","vulnerabilities":18,"url":"https://junglewise.ai/threats/technologies/github-com-klever-io-klever-go"},{"name":"code.vikunja.io/api (Go)","slug":"code-vikunja-io-api","vulnerabilities":15,"url":"https://junglewise.ai/threats/technologies/code-vikunja-io-api"},{"name":"github.com/cloudreve/Cloudreve/v4 (Go)","slug":"github-com-cloudreve-cloudreve-v4","vulnerabilities":15,"url":"https://junglewise.ai/threats/technologies/github-com-cloudreve-cloudreve-v4"},{"name":"github.com/gotenberg/gotenberg/v8 (Go)","slug":"github-com-gotenberg-gotenberg-v8","vulnerabilities":14,"url":"https://junglewise.ai/threats/technologies/github-com-gotenberg-gotenberg-v8"},{"name":"github.com/nezhahq/nezha (Go)","slug":"github-com-nezhahq-nezha","vulnerabilities":14,"url":"https://junglewise.ai/threats/technologies/github-com-nezhahq-nezha"},{"name":"github.com/fleetdm/fleet/v4 (Go)","slug":"github-com-fleetdm-fleet-v4","vulnerabilities":13,"url":"https://junglewise.ai/threats/technologies/github-com-fleetdm-fleet-v4"}],"technology":{"hub":true,"name":"github.com/caddyserver/caddy (Go)","slug":"github-com-caddyserver-caddy","vendor":{"name":"Go","slug":"go","url":"https://junglewise.ai/threats/vendors/go"},"aliases":[],"homepage":"https://caddyserver.com/","repo_url":"https://github.com/caddyserver/caddy","description":"An open-source web server written in Go that features automatic HTTPS.","url":"https://junglewise.ai/threats/technologies/github-com-caddyserver-caddy"},"most_severe":[{"cve":"CVE-2026-52845","cvss":8.1,"epss":0.0045,"slug":"cve-2026-52845-caddy-authentication-bypass-via-fastcgi-header-normalization","title":"Caddy authentication bypass via FastCGI header normalization collision","severity":"high","exploited":false,"published_at":"2026-06-23T18:18:05.267+00:00","url":"https://junglewise.ai/threats/cve-2026-52845-caddy-authentication-bypass-via-fastcgi-header-normalization"},{"cve":"CVE-2026-52844","cvss":7.5,"epss":0.0062,"slug":"cve-2026-52844-caddy-path-authorization-bypass-on-windows-via-encoded-backslash","title":"Caddy path authorization bypass on Windows via encoded backslash","severity":"high","exploited":false,"published_at":"2026-06-23T18:18:05.137+00:00","url":"https://junglewise.ai/threats/cve-2026-52844-caddy-path-authorization-bypass-on-windows-via-encoded-backslash"},{"cve":"CVE-2026-52846","cvss":4.2,"epss":0.0025,"slug":"cve-2026-52846-caddyserver-caddy-xss-bypass-in-striphtml-template-function","title":"Caddyserver Caddy XSS bypass in stripHTML template function","severity":"medium","exploited":false,"published_at":"2026-06-23T18:18:05.4+00:00","url":"https://junglewise.ai/threats/cve-2026-52846-caddyserver-caddy-xss-bypass-in-striphtml-template-function"},{"cve":"CVE-2018-21246","cvss":3.1,"epss":0.0272,"slug":"cve-2018-21246-caddy-vulnerable-to-authentication-bypass-due-to-mishandling-of","title":"GO-2020-0043 - Authentication bypass in github.com/mholt/caddy","severity":"low","exploited":false,"published_at":"2021-04-14T20:04:52+00:00","url":"https://junglewise.ai/threats/cve-2018-21246-caddy-vulnerable-to-authentication-bypass-due-to-mishandling-of"},{"cve":"CVE-2022-34037","cvss":3.1,"epss":0.0119,"slug":"cve-2022-34037-withdrawn-advisory-out-of-bounds-read-can-lead-to-client-side","title":"Withdrawn Advisory: Out-of-bounds Read can lead to client side denial of service","severity":"low","exploited":false,"published_at":"2022-07-23T00:00:22+00:00","url":"https://junglewise.ai/threats/cve-2022-34037-withdrawn-advisory-out-of-bounds-read-can-lead-to-client-side"},{"cve":"CVE-2022-29718","cvss":3.1,"epss":0.0103,"slug":"cve-2022-29718-open-redirect-in-caddy","title":"Open redirect in caddy","severity":"low","exploited":false,"published_at":"2022-06-03T00:00:29+00:00","url":"https://junglewise.ai/threats/cve-2022-29718-open-redirect-in-caddy"},{"cve":"CVE-2018-19148","cvss":3,"epss":0.0086,"slug":"cve-2018-19148-caddy-allows-enumeration-of-certificates-and-hostnames","title":"Caddy allows enumeration of Certificates and Hostnames","severity":"low","exploited":false,"published_at":"2022-05-14T01:37:58+00:00","url":"https://junglewise.ai/threats/cve-2018-19148-caddy-allows-enumeration-of-certificates-and-hostnames"}],"generated_at":"2026-09-26T16:07:00.132667+00:00"}