What is CVE-2026-45692?

CVE-2026-45692 is a medium-severity vulnerability in Caddyserver Caddy, classified under Partial String Comparison. CVSS score: 5.4/10. Published 2026-06-23.

How severe is CVE-2026-45692?

Medium severity. CVSS v3 base score is 5.4 out of 10.

Auth bypass in Caddyserver Caddy

CVE-2026-45692

Caddy is an extensible server platform that uses TLS by default. From 2.4.0 until 2.11.3, the authorization layer and the /config traversal layer do not agree on what object the path refers to. In this case, a path authorized for one confi…

CVSS v3 metric

CVSS v3 base score 5.4 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:N.

Affected products

Caddyserver Caddy — versions >= 2.4.0, < 2.11.3

Weakness classification (CWE)

CWE-187 — Partial String Comparison
CWE-863 — Incorrect Authorization

References

security-advisories@github.com (x_refsource_CONFIRM)

Frequently asked questions

What is CVE-2026-45692?: CVE-2026-45692 is a medium-severity vulnerability in Caddyserver Caddy, classified under Partial String Comparison. CVSS score: 5.4/10. Published 2026-06-23.
How severe is CVE-2026-45692?: Medium severity. CVSS v3 base score is 5.4 out of 10.