# GO-2026-6267 - Coder: Stored HTML injection via unescaped ApplicationName and LogoURL appearance settings in…

Source: https://junglewise.ai/threats/go-2026-6267-coder-stored-html-injection-via-unescaped-applicationname-1ff577f2  
Publisher: Junglewise Threat Intelligence, https://junglewise.ai/threats  
Published: 2026-08-25  
License: CC BY 4.0 with a link back

Severity: info · Published 2026-08-25

Coder: Stored HTML injection via unescaped ApplicationName and LogoURL appearance settings in github.com/coder/coder

Technologies: [github.com/coder/coder (Go)](https://junglewise.ai/threats/technologies/github-com-coder-coder), [github.com/coder/coder/v2 (Go)](https://junglewise.ai/threats/technologies/github-com-coder-coder-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 25 August 2026.

**Which products and versions are affected?** github.com/coder/coder (Go) SEMVER:introduced=0; github.com/coder/coder/v2 (Go) SEMVER:introduced=0,fixed=2.29.17,introduced=2.30.0,fixed=2.32.7,introduced=2.33.0,fixed=2.33.8,introduced=2.34.0,fixed=2.34.2.

**Is there a fix for This vulnerability?** Yes. github.com/coder/coder/v2 (Go): upgrade to 2.34.2 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/coder/coder (Go) or github.com/coder/coder/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/coder/coder/v2 (Go): upgrade to 2.34.2 or later

  ```sh
  go get github.com/coder/coder/v2@v2.34.2
  ```


## Affected products

- github.com/coder/coder (Go) SEMVER:introduced=0
- github.com/coder/coder/v2 (Go) SEMVER:introduced=0,fixed=2.29.17,introduced=2.30.0,fixed=2.32.7,introduced=2.33.0,fixed=2.33.8,introduced=2.34.0,fixed=2.34.2

## Related threats

- [Coder HTTP redirect injection in workspace agent API](https://junglewise.ai/threats/cve-2026-63443-coder-http-redirect-injection-in-workspace-agent-api)
- [GO-2026-6265 - Coder: Login endpoint user enumeration via timing-defense placeholder in password comparison in…](https://junglewise.ai/threats/go-2026-6265-coder-login-endpoint-user-enumeration-via-timing-defense-262b3c63)
- [Coder CORS bypass in subdomain-based workspace app proxy](https://junglewise.ai/threats/cve-2026-55438-coder-cors-bypass-in-subdomain-based-workspace-app-proxy)
- [Coder stored XSS in AgentLogLine dashboard component](https://junglewise.ai/threats/cve-2026-55437-coder-stored-xss-in-agentlogline-dashboard-component)
- [Coder improper certificate validation in AI Bridge Proxy](https://junglewise.ai/threats/cve-2026-55436-coder-improper-certificate-validation-in-ai-bridge-proxy)