Signal is active with 2 mentions in latest observed window
Recommended action window: Monitor and triage in normal cycle
NVD description
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 admin listener settings and alter HTTP server behavior without user intent. Version 2.11.1 contains a fix for the issue.
Priority
LOW
Exploitation
NONE
PoC
YES
Patch
NONE
Momentum
NONE
If you run products in this scope, you should treat this CVE as relevant to your environment.
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-… https://www.cve.org/CVERecord?id=CVE-2026-27589
Post summary
The snippet notes that CVE‑2026‑27589 involves a local admin API exposure in Caddy before version 2.11.1, but provides no further exploitation or mitigation details.
CVE-2026-27589: Localhost is a Lie: Caddy Admin API CSRF (CVE-2026-27589) A critical Cross-Site Request Forgery (CSRF) vulnerability in Caddy Web Server's administrative API allows remote attackers to silently overwrite the running configuration of a ... https://cvereports.com/reports/CVE-2026-27589
Post summary
The post announces a critical CSRF vulnerability in Caddy Web Server’s admin API that permits attackers to silently overwrite configuration, with no mention of PoC, exploit code, patch, or active exploitation.
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| Part | Vendor | Product | Version | Target SW | Target HW |
|---|---|---|---|---|---|
| App | caddyserver | caddy | - | - | - |