Go
CVE-2026-30852
Caddy's vars_regexp double-expands user input, leaking env vars and files in github.com/caddyserver/caddy
- Severity
- Unrated
- Published
- 10 Mar 2026
- Last changed
- 23 Mar 2026
- Added to UpHeron
- 22 Oct 2026
- Fixed in
- 2.11.2
- Also known as
- GHSA-m2w3-8f23-hxxf, GO-2026-4644
- Sources
- OSV.dev and GitHub
Affected software
| Software | Affected versions |
|---|---|
CaddyGo · osv:Go:github.com/caddyserver/caddy/v2 |
|
References
- CVE.org https://www.cve.org/CVERecord?id=CVE-2026-30852
- GitHub Advisory Database https://github.com/advisories/GHSA-m2w3-8f23-hxxf
- OSV.dev https://osv.dev/vulnerability/GO-2026-4644