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Vulnerability record · CVE-2026-44887 · published 27 May 2026

CVE-2026-44887: Code injection vulnerability

Pi.Alert is a WIFI / LAN intruder detector with web service monitoring. Prior to 2026-05-07, Pi.Alert's web-based configuration editor allows arbitrary Python code to be injected into pialert.conf. Since the background scan daemon loads this file via Python's exec(), injected code executes as the daemon process. With web protection disabled (the default configuration), no authentication is required, making this an unauthenticated Remote Code Execution vulnerability. This vulnerability is fixed in 2026-05-07.

9.8 CVSS 3.1 Critical EPSS 1.0% · top 38.2% CWE-94 · Code injection Deferred
9.8CVSS 3.1 base score
1.0%EPSS exploitation probability, 30 days
NoNot in CISA KEV
0Affected product versions listed by NVD
2References
17 Jun 2026Last modified by NVD

Description

Pi.Alert is a WIFI / LAN intruder detector with web service monitoring. Prior to 2026-05-07, Pi.Alert's web-based configuration editor allows arbitrary Python code to be injected into pialert.conf. Since the background scan daemon loads this file via Python's exec(), injected code executes as the daemon process. With web protection disabled (the default configuration), no authentication is required, making this an unauthenticated Remote Code Execution vulnerability. This vulnerability is fixed in 2026-05-07.

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

References

LinkTags
https://github.com/leiweibau/Pi.Alert/security/advisories/GHSA-r59g-5wf9-f7vv
https://github.com/leiweibau/Pi.Alert/security/advisories/GHSA-r59g-5wf9-f7vv

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Source: NIST National Vulnerability Database (record CVE-2026-44887), CISA KEV, FIRST EPSS (scores of 2026-09-27). This page is refreshed as NVD updates the record.