CVE Explorer
CVE-2026-27589
Caddy is an extensible server platform that uses TLS by default. Prior to version 2.11.1, the local caddy admin API (default listen `127.0.0.1:2019`) exposes a state-changing `POST /load` endpoint that replaces the entire running configuration. When origin enforcement is not enabled (`enforce_origin` not configured), the admin endpoint accepts cross-origin requests (e.g., from attacker-controlled web content in a victim browser) and applies an attacker-supplied JSON config. This can change the a
Known exploited
Not asserted
Disputed
No
Stale source
No
Conflicts
0
Affected products and versions
1 source assertion{"product":"caddy","vendor":"caddyserver","versions":[{"status":"affected","version":"< 2.11.1"}]}
- cve_program_cvelist_v5affectedurn:baitaphish:normalized-source-record:v2:855bd92dfc2564e061603865e5de1e5942a97f1cae7bf5306633cc542cc67a1c · sha256:b9d86af2d4d8df1a… · /containers/cna/affected/0
Provider-owned CVSS observations
1 source assertion{"metric":{"attackComplexity":"LOW","attackRequirements":"PRESENT","attackVector":"NETWORK","baseScore":6.9,"baseSeverity":"MEDIUM","privilegesRequired":"NONE","subAvailabilityImpact":"NONE","subConfidentialityImpact":"NONE","subIntegrityImpact":"NONE","userInteraction":"NONE","vectorString":"CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:N/VI:H/VA:N/SC:N/SI:N/SA:N/E:P","version":"4.0","vulnAvailabilityImpact":"NONE","vulnConfidentialityImpact":"NONE","vulnIntegrityImpact":"HIGH"},"metric_type":"cvssV4_0"}
- cve_program_cvelist_v5cvssurn:baitaphish:normalized-source-record:v2:855bd92dfc2564e061603865e5de1e5942a97f1cae7bf5306633cc542cc67a1c · sha256:b9d86af2d4d8df1a… · /containers/cna/metrics/0/cvssV4_0
CWE assertions
1 source assertion{"cweId":"CWE-352","description":"CWE-352: Cross-Site Request Forgery (CSRF)","lang":"en","type":"CWE"}
- cve_program_cvelist_v5cweurn:baitaphish:normalized-source-record:v2:855bd92dfc2564e061603865e5de1e5942a97f1cae7bf5306633cc542cc67a1c · sha256:b9d86af2d4d8df1a… · /containers/cna/problemTypes/0/descriptions/0
Source references
4 source assertions{"name":"https://github.com/caddyserver/caddy/releases/tag/v2.11.1","tags":["x_refsource_MISC"],"url":"https://github.com/caddyserver/caddy/releases/tag/v2.11.1"}
- cve_program_cvelist_v5referenceurn:baitaphish:normalized-source-record:v2:855bd92dfc2564e061603865e5de1e5942a97f1cae7bf5306633cc542cc67a1c · sha256:b9d86af2d4d8df1a… · /containers/cna/references/1
{"name":"https://github.com/caddyserver/caddy/security/advisories/GHSA-879p-475x-rqh2","tags":["x_refsource_CONFIRM"],"url":"https://github.com/caddyserver/caddy/security/advisories/GHSA-879p-475x-rqh2"}
- cve_program_cvelist_v5referenceurn:baitaphish:normalized-source-record:v2:855bd92dfc2564e061603865e5de1e5942a97f1cae7bf5306633cc542cc67a1c · sha256:b9d86af2d4d8df1a… · /containers/cna/references/0
{"name":"https://github.com/user-attachments/files/25079818/poc.zip","tags":["x_refsource_MISC"],"url":"https://github.com/user-attachments/files/25079818/poc.zip"}
- cve_program_cvelist_v5referenceurn:baitaphish:normalized-source-record:v2:855bd92dfc2564e061603865e5de1e5942a97f1cae7bf5306633cc542cc67a1c · sha256:b9d86af2d4d8df1a… · /containers/cna/references/2
{"name":"https://github.com/user-attachments/files/25079820/PR_DESCRIPTION.md","tags":["x_refsource_MISC"],"url":"https://github.com/user-attachments/files/25079820/PR_DESCRIPTION.md"}
- cve_program_cvelist_v5referenceurn:baitaphish:normalized-source-record:v2:855bd92dfc2564e061603865e5de1e5942a97f1cae7bf5306633cc542cc67a1c · sha256:b9d86af2d4d8df1a… · /containers/cna/references/3
Attribution and limitations
- CVE Program CVEList V5: Reproduce the MITRE copyright designation and CVE license in copies. Source →
Provider severity values are preserved separately. Baitaphish does not convert them into a risk rating, infer affected products, or treat EPSS as observed exploitation.