PatchTheCVECVE-2026-33765: Pi-hole Admin Interface is a web interface for managing Pi-hole, a network-level ad and internet tracker block
CVE-2026-33765 is a critical-severity flaw (CVSS 9.8) affecting web interface. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.
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 application takes the user-controlled $_POST['webtheme'] parameter and concatenates it directly into a system command executed via PHP's exec() function. Since the input is neither sanitized nor validated before bein
Why this priority
- Critical severity
- CISA SSVC: automatable with total technical impact
- Remotely exploitable, no login, no user action
A fixed release or distro patch exists.
Risk facts
| CVSS score | 9.8 (Critical) |
| Attack vector | Network (remote) |
| Attack complexity | Low |
| Privileges needed | None |
| User interaction | None |
| EPSS exploit chance | 1.3% (top 30%) |
| CISA exploited list | No |
| Weakness | CWE-78 |
| Published | 2026-03-27 |
| Last modified | 2026-10-26 |
Last updated 2026-10-26 · Sources: CVE Program, NVD, CISA KEV, EPSS and vendor advisories · How we score
Am I affected?
Timeline
- Published CVE record published
- Updated Record last modified
Exact fixes by distribution
Public exploits and detection
Public code exists for this CVE. Treat unpatched systems as at risk, and only run PoCs in a lab.
Scores and fixes here are computed automatically from those and other public sources. Confirm with the vendor advisory before changing production systems.
Quick answers
How do I fix CVE-2026-33765?
web interface: upgrade to 6.0. Exact commands for each OS are on this page.
Is CVE-2026-33765 being exploited?
CVE-2026-33765 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.
What does CVE-2026-33765 affect?
CVE-2026-33765 affects web interface. Severity is critical (CVSS 9.8). 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 applic
How urgent is CVE-2026-33765?
Priority 60/100. Critical severity; CISA SSVC: automatable with total technical impact; Remotely exploitable, no login, no user action
Software pages
Related CVEs
- CVE-2026-33406 MEDIUM 5.4 UPGRADE Pi-hole Admin Interface is a web interface for managing Pi-hole, a network-level ad and internet tracker block
- CVE-2026-33403 MEDIUM 6.1 UPGRADE Pi-hole Admin Interface is a web interface for managing Pi-hole, a network-level ad and internet tracker block
- CVE-2026-33404 LOW 3.4 UPGRADE Pi-hole Admin Interface is a web interface for managing Pi-hole, a network-level ad and internet tracker block
- CVE-2026-33405 LOW 3.1 UPGRADE Pi-hole Admin Interface is a web interface for managing Pi-hole, a network-level ad and internet tracker block