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Vulnerabilities/CVE-2026-33765Public Intelligence Dossier
Source: pi-hole · Limited verification•Last verified: •Collection Healthy
CVE-2026-33765Unknown / EvaluatingCRITICAL (raw)CVSS 9.8CWE-78

Pi-hole Admin Interface is a web interface for managing Pi-hole, a network-level ad and internet tracker blocking application

Published: 28 Mar 2026•Last updated: 27 Oct 2026, 03:40 AM IST•Source identifier: security-advisories@github.com
Dossier completeness: source-provided sections 2 / 3 · rule guidance available. Missing source facts count as incomplete.
Official source
CISA KEV catalog
Unknown
KEV status was not determined.
CVSS score
9.8CRITICAL (raw)
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Metric sourcenvd@nist.gov
EPSS probability
1.3%0.013
Percentile70th
Weakness type
CWE-78
No further CWE recorded
Remediation
Patch status unknown
No fixed version or KB recorded

Why It Matters

Analysis dossier

Why It Matters

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 being passed to the shell, an attacker can append arbitrary system commands to the intended pihole command. Furthermore, because the command is executed with sudo privileges, the injected commands will run with elevated (likely root) privileges. Version 6.0 patches the issue.

SOC priority

High Severity / Review

Actively exploited (source statement)

Unknown

Publicly disclosed

Unknown

Risk basis: SOC ecosystem technology relevance; CRITICAL severity; Critical source severity without confirmed exploitation

Affected Products & Remediation

1 source-backed product
Affected products and versions (source)
  • pi-hole web interface · < 6.0 · NVD CPE · Source
Recorded patch / KBNot provided by source

Vendor or catalog guidance (source)

Not provided by source

Known exploitation (source facts)

Only what a source states. Unknown means no source has said either way; it is not "not exploited".

CISA KEV
Unknown
Exploited (source statement)
Unknown
Publicly disclosed (source)
Unknown

Suggested hunting (rule-based inference)

SecOps Signal recommendation (rule-based inference). These steps are hunting hypotheses from the vulnerability class; they do not state or imply that exploitation occurred here or anywhere.

Matched web-rce (CWE-78, Affected product: pi-hole web interface, CVSS AV:N); command-injection (CWE-78)

Exposure

  1. Find affected web-facing installations and verify their versions.Telemetry: DeviceTvmSoftwareVulnerabilities · A network-reachable code execution weakness needs an exact local product match. · Rule web-rce
  2. Identify installations of the affected product and compare versions with the advisory.Telemetry: DeviceTvmSoftwareVulnerabilities · A weakness class does not establish local exposure. · Rule command-injection

Exploitation evidence

  1. Review child processes spawned by the affected web service for unusual command execution.Telemetry: DeviceProcessEvents · Unexpected service child processes can support an exploitation investigation. · Rule web-rce
Show more (2)

Exploitation evidence

  1. Review command interpreters spawned by the affected service or application.Telemetry: DeviceProcessEvents · Unexpected process lineage can support command-injection hunting. · Rule command-injection

Response

  1. Confirm the vendor fix or mitigation on each affected installation.Telemetry: DeviceTvmSoftwareVulnerabilities · Remediation should be checked against the product and version in inventory. · Rule web-rce

CISA KEV Record

CISA KEV status was not determined for this record.

Change History & Source Data

— No recorded material change

CNA / source
security-advisories@github.com
Record status · verification
UPDATED · NVD API
CPE
cpe:2.3:a:pi-hole:web_interface:*:*:*:*:*:*:*:*

Evidence & Provenance

2 public sources
github.comSource recordnvd.nist.govSource record

Linked by the query's stored exact CVE association. Review required tables and validation status before use.

Detection Hunting Query
Target: DeviceTvmSoftwareVulnerabilities•Defender XDR
Detect endpoints exposed to CVE-2026-33765
Purpose: Exposure assessment (Category: Exposure Check)Why linked: Query metadata names CVE-2026-33765
DeviceTvmSoftwareVulnerabilities| where CveId == "CVE-2026-33765"| project DeviceId, DeviceName, OSPlatform, OSVersion, SoftwareVendor, SoftwareName, SoftwareVersion, CveId, VulnerabilitySeverityLevel, RecommendedSecurityUpdate, RecommendedSecurityUpdateId| sort by VulnerabilitySeverityLevel desc
Schema Checked · Not runtime validatedSource: SecOps Signal deterministic template · Limited verificationStatic screening: Passed structure and schema checks; tenant execution is not verified.
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Correlated briefings

SecOps Signal surfaces public advisory facts only. A missing value means the source has not published it, not that your environment is unaffected. No tenant inventory is connected.