CVE-2026-55458
Low
Description
Caddy has an RFC 7230 §6.1 compliance issue / Hop-by-hop headers that leak through
SeverityLow
CVSS2.9
Exploit probability—
ProductGithub.com/caddyserver/caddy/v2
PublishedOct 28, 2026
First seenNov 4, 2026
Weakness typeCWE-444CWE-444
How to fix
Update
- github.com/caddyserver/caddy/v22.11.5 or later
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| github.com/caddyserver/caddy/v2Go | v ≤ 2.11.4 | 2.11.5 |
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