Is github.com/caddyserver/caddy/v2 affected by CVE-2026-45135?

Go github.com/caddyserver/caddy/v2 is affected in >=2.7.0 <2.11.3.

Is CVE-2026-45135 being exploited?

Not on the CISA KEV list. EPSS exploit probability is not available.

high

CVE-2026-45135

Q: Is CVE-2026-45135 being exploited?

Not on the CISA KEV list. EPSS exploit probability is not available.

Go · github.com/caddyserver/caddy/v2

Summary

Caddy: Unsafe Unicode Handling in FastCGI splitPos Allows Execution of Non-PHP Files

Severity: high
Also known as: GHSA-m675-2p33-xv9g
Published: 2026-05-18

References

Related advisories

CVE-2026-52845 — high · Go/github.com/caddyserver/caddy/v2
CVE-2026-52844 — high · Go/github.com/caddyserver/caddy/v2
CVE-2026-52846 — medium · Go/github.com/caddyserver/caddy/v2
GHSA-gx7w-56w6-g48x — medium · Go/github.com/caddyserver/caddy/v2
GHSA-wwhq-w58m-w29c — medium · Go/github.com/caddyserver/caddy/v2
CVE-2026-45692 — medium · Go/github.com/caddyserver/caddy/v2
CVE-2026-30852 — medium · Go/github.com/caddyserver/caddy/v2
CVE-2026-30851 — medium · Go/github.com/caddyserver/caddy/v2

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Sources: CISA KEV (public domain), OSV.dev & GitHub Advisory Database (CC-BY-4.0), FIRST EPSS, NVD/CWE (public domain). Served live from the Stateward advisory database.