# Caddy vulnerabilities

Source: https://junglewise.ai/threats/vendors/caddy  
Publisher: Junglewise Threat Intelligence, https://junglewise.ai/threats  
Updated: 13 November 2026, 03:07 UTC. Rebuilt every hour.  
Data: https://junglewise.ai/threats/vendors/caddy.json  
License: CC BY 4.0 with a link back

Junglewise Threat Intelligence has tracked 4 vulnerabilities in Caddy: 0 in the last 7 days and 4 in the last 90 days, 0 of them critical and 0 exploited in the wild. The most recent, CVE-2026-55458, was published on 5 November 2026. 1 vulnerability in the last four weeks, down 67% on the four before (3). 1 technology has a page of its own.

## Counts

- Last 7 days: 0
- Last 30 days: 1
- Last 90 days: 4
- All time: 4 (0 critical, 0 exploited in the wild)

## About Caddy

Open source web server and reverse proxy written in Go.

## Latest Caddy vulnerabilities

- [CVE-2026-55458: Caddy has an RFC 7230 §6.1 compliance issue / Hop-by-hop headers that leak through](https://junglewise.ai/threats/cve-2026-55458-caddy-has-an-rfc-7230-6-1-compliance-issue-hop-by-hop-headers) (medium, CVSS 4, published 5 Nov 2026)
- [CVE-2026-92700: Caddy fileHidden case-sensitivity bypass on case-insensitive filesystems](https://junglewise.ai/threats/cve-2026-92700-caddy-is-an-extensible-server-platform-that-uses-tls-by-default) (info, published 23 Sep 2026)
- [CVE-2026-92284: Caddy unbounded body buffer denial of service](https://junglewise.ai/threats/cve-2026-92284-caddy-is-an-extensible-server-platform-that-uses-tls-by-default) (info, published 23 Sep 2026)
- [CVE-2026-77281: Caddy placeholder re-expansion in URI rewrite](https://junglewise.ai/threats/cve-2026-77281-caddy-placeholder-re-expansion-in-uri-rewrite) (medium, CVSS 6.5, published 17 Sep 2026)

## Most severe Caddy vulnerabilities

- [CVE-2026-77281: Caddy placeholder re-expansion in URI rewrite](https://junglewise.ai/threats/cve-2026-77281-caddy-placeholder-re-expansion-in-uri-rewrite) (medium, CVSS 6.5, published 17 Sep 2026)
- [CVE-2026-55458: Caddy has an RFC 7230 §6.1 compliance issue / Hop-by-hop headers that leak through](https://junglewise.ai/threats/cve-2026-55458-caddy-has-an-rfc-7230-6-1-compliance-issue-hop-by-hop-headers) (medium, CVSS 4, published 5 Nov 2026)
- [CVE-2026-92700: Caddy fileHidden case-sensitivity bypass on case-insensitive filesystems](https://junglewise.ai/threats/cve-2026-92700-caddy-is-an-extensible-server-platform-that-uses-tls-by-default) (info, published 23 Sep 2026)
- [CVE-2026-92284: Caddy unbounded body buffer denial of service](https://junglewise.ai/threats/cve-2026-92284-caddy-is-an-extensible-server-platform-that-uses-tls-by-default) (info, published 23 Sep 2026)

## Vulnerabilities per week

1 vulnerability in the last four weeks, down 67% on the four before (3).

| Week of | Vulns | Critical | Exploited |
| --- | --- | --- | --- |
| 17 Aug 2026 | 0 | 0 | 0 |
| 24 Aug 2026 | 0 | 0 | 0 |
| 31 Aug 2026 | 0 | 0 | 0 |
| 7 Sep 2026 | 0 | 0 | 0 |
| 14 Sep 2026 | 1 | 0 | 0 |
| 21 Sep 2026 | 2 | 0 | 0 |
| 28 Sep 2026 | 0 | 0 | 0 |
| 5 Oct 2026 | 0 | 0 | 0 |
| 12 Oct 2026 | 0 | 0 | 0 |
| 19 Oct 2026 | 0 | 0 | 0 |
| 26 Oct 2026 | 0 | 0 | 0 |
| 2 Nov 2026 | 1 | 0 | 0 |
| 9 Nov 2026 | 0 | 0 | 0 |

## Caddy technologies

- [Caddy](https://junglewise.ai/threats/technologies/caddy-caddy): 4 vulnerabilities

## Sources

NVD, GitHub Security Advisories, OSV, the CISA Known Exploited Vulnerabilities catalog, FIRST EPSS and vendor advisories. Rebuilt every hour. Cite as: Junglewise Threat Intelligence, "Caddy vulnerabilities", https://junglewise.ai/threats/vendors/caddy, 13 November 2026.
