What is CVE-2025-59151?

CVE-2025-59151 is a high-severity vulnerability in Pi-hole Web, classified under CRLF Injection. CVSS score: 8.2/10. Published 2025-10-27.

How severe is CVE-2025-59151?

High severity. CVSS v3 base score is 8.2 out of 10.

Vulnerability in Pi-hole Web

CVE-2025-59151

Pi-hole Admin Interface is a web interface for managing Pi-hole, a network-level advertisement and internet tracker blocking application. Pi-hole Admin Interface before 6.3 is vulnerable to Carriage Return Line Feed (CRLF) injection. When…

Vulnerability class: CRLF Injection

EPSS: 0.001 (28.7th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 8.2 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:L.

Affected products

Pi-hole Web — versions < 6.3

Weakness classification (CWE)

CWE-93 — CRLF Injection
CWE-113 — HTTP Response Splitting

References

https://github.com/pi-hole/web/security/advisories/GHSA-5v79-p56f-x7c4 (x_refsource_CONFIRM)

Frequently asked questions

What is CVE-2025-59151?: CVE-2025-59151 is a high-severity vulnerability in Pi-hole Web, classified under CRLF Injection. CVSS score: 8.2/10. Published 2025-10-27.
How severe is CVE-2025-59151?: High severity. CVSS v3 base score is 8.2 out of 10.