What is CVE-2026-33765?

CVE-2026-33765 is a critical-severity vulnerability in Pi-hole Web, classified under OS Command Injection. CVSS score: 9.8/10. Published 2026-03-27.

How severe is CVE-2026-33765?

Critical severity. CVSS v3 base score is 9.8 out of 10.

RCE in Pi-hole Web

CVE-2026-33765

Pi-hole Admin Interface is a web interface for managing Pi-hole, a network-level ad and internet tracker blocking application. Versions prior to 6.0 have a critical OS Command Injection vulnerability in the savesettings.php file. The appli…

Vulnerability class: Command Injection (OS Command Injection)

EPSS: 0.011 (61.6th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 9.8 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.

Affected products

Pi-hole Web — versions < 6.0
Pi-hole Web_interface

Weakness classification (CWE)

CWE-78 — OS Command Injection

References

security-advisories@github.com (x_refsource_CONFIRM, Vendor Advisory)

Frequently asked questions

What is CVE-2026-33765?: CVE-2026-33765 is a critical-severity vulnerability in Pi-hole Web, classified under OS Command Injection. CVSS score: 9.8/10. Published 2026-03-27.
How severe is CVE-2026-33765?: Critical severity. CVSS v3 base score is 9.8 out of 10.