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CVE-2026-38329

CRITICALCVSS 9.8/10EPSS 0.63%

Last modified

CVE-2026-38329 is a critical-severity vulnerability rated 9.8/10 on the CVSS scale. 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. EPSS estimates a 0.63% chance of exploitation in the next 30 days.

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.

Metrics

CVSS 3.1
9.8/10

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

EPSS Probability
0.63%

45.5th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

References

Timeline

Published
Last Modified
Status
Deferred

Frequently Asked Questions

What is CVE-2026-38329?
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.
How severe is CVE-2026-38329?
CVE-2026-38329 has a CVSS score of 9.8/10 (CRITICAL severity). The EPSS model estimates a 0.63% probability of exploitation in the next 30 days.
How do I fix CVE-2026-38329?
Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2026-38329?

Run a free Strix scan to check your systems for this vulnerability.

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Source: NVD / NIST