# GO-2026-5408 - Caddy: Remote Admin Authorization Bypass on PKI Endpoints via Prefix-Based Path Matching in…

Source: https://junglewise.ai/threats/go-2026-5408-caddy-remote-admin-authorization-bypass-on-pki-endpoints-4c5e1b8e  
Publisher: Junglewise Threat Intelligence, https://junglewise.ai/threats  
Published: 2026-07-24  
License: CC BY 4.0 with a link back

Severity: info · Published 2026-07-24

Caddy: Remote Admin Authorization Bypass on PKI Endpoints via Prefix-Based Path Matching in github.com/caddyserver/caddy

Technologies: [github.com/caddyserver/caddy/v2 (Go)](https://junglewise.ai/threats/technologies/github-com-caddyserver-caddy-v2). Vendors: [Go](https://junglewise.ai/threats/vendors/go).

## Quick answers

**Is This vulnerability exploited in the wild?** No. Junglewise Threat Intelligence has no report of This vulnerability being exploited in the wild.

**How severe is This vulnerability?** Informational severity, published 24 July 2026.

**Which products and versions are affected?** github.com/caddyserver/caddy/v2 (Go) SEMVER:introduced=0,fixed=2.11.3.

**Is there a fix for This vulnerability?** Yes. github.com/caddyserver/caddy/v2 (Go): upgrade to 2.11.3 or later. Junglewise finds every place you run it, drafts the upgrade and applies it once you approve.

**Am I affected?** Check whether you run github.com/caddyserver/caddy/v2 (Go) at an affected version. Junglewise does that check for you around the clock: connect your code, cloud and domains, and it matches new vulnerabilities like this one against what you actually run and tells you when one reaches you.

## How to fix

- github.com/caddyserver/caddy/v2 (Go): upgrade to 2.11.3 or later

  ```sh
  go get github.com/caddyserver/caddy/v2@v2.11.3
  ```


## Affected products

- github.com/caddyserver/caddy/v2 (Go) SEMVER:introduced=0,fixed=2.11.3

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