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Vulnerability record · CVE-2026-38329 · published 15 June 2026

CVE-2026-38329: Missing authorization vulnerability

Bludit CMS before version 3.18.4 allows Remote Code Execution (RCE) via the API Plugin. The POST /api/files/{key} endpoint in bl-plugins/api/plugin.php fails to perform authorization checks and lacks file extension validation. An attacker with a valid API token can upload a malicious PHP script and execute arbitrary code on the server.

9.8 CVSS 3.1 Critical EPSS 0.74% · top 47.4% CWE-862 · Missing authorization Deferred
9.8CVSS 3.1 base score
0.74%EPSS exploitation probability, 30 days
NoNot in CISA KEV
0Affected product versions listed by NVD
2References
17 Jun 2026Last modified by NVD

Description

Bludit CMS before version 3.18.4 allows Remote Code Execution (RCE) via the API Plugin. The POST /api/files/{key} endpoint in bl-plugins/api/plugin.php fails to perform authorization checks and lacks file extension validation. An attacker with a valid API token can upload a malicious PHP script and execute arbitrary code on the server.

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

References

LinkTags
https://gist.github.com/Ki1ro0133/8bd14bd4fc6fab81c907d838a7aeee55
https://gist.github.com/Ki1ro0133/8bd14bd4fc6fab81c907d838a7aeee55

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Source: NIST National Vulnerability Database (record CVE-2026-38329), CISA KEV, FIRST EPSS (scores of 2026-09-26). This page is refreshed as NVD updates the record.