Auth bypass in Fatedier Frp
CVE-2026-110619
frp 0.41.0 through 0.71.1 contains a missing authentication vulnerability that allows unauthenticated remote attackers to access pprof debug endpoints because handlers are registered on the root mux outside Basic Authentication. Attackers can query /debug/pprof/ endpoints on frps dashboard or frpc admin listeners to obtain cmdline, goroutine stacks, heap profiles, and trigger CPU profiling.
Vulnerability class: Broken Authentication
Published · last modified .
CVSS v3 metric
CVSS v3 base score 4.8 (Medium). Vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:N/A:L.
EPSS exploit prediction
No EPSS score from FIRST.org yet. New CVEs usually get one within a few days; no score means no signal yet, not low risk. How EPSS works.
Affected products
Weakness classification (CWE)
References
- hackmd.io/@1ExmmukzRMWN7B4gQ4W-4Q/HyZWPT3jfe (third-party-advisory)
- github.com/fatedier/frp/blob/v0.71.1/pkg/util/http/server.go (technical-description)
- github.com/fatedier/frp/blob/v0.71.1/server/api_router.go (technical-description)
- github.com/fatedier/frp (product)
- www.vulncheck.com/advisories/frp-0.41.0-through-0.71.1-missing-authentication-f… (third-party-advisory)
Frequently asked questions
- What is CVE-2026-110619?
- CVE-2026-110619 is a medium-severity vulnerability in Fatedier Frp, classified under Missing Authentication for Critical Function. CVSS score: 4.8/10. Published 2026-10-14.
- How severe is CVE-2026-110619?
- Medium severity. CVSS v3 base score is 4.8 out of 10.