CVE-2026-30809
OS Command Injection in WebServerModuleDebug via Blacklist Bypass leads to Remote Code Execution
Description
Improper Neutralization of Special Elements used in an OS Command vulnerability allows OS Command Injection via WebServerModuleDebug. This issue affects Pandora FMS: from 777 through 800
INFO
Published Date :
April 13, 2026, 4:16 p.m.
Last Modified :
April 22, 2026, 2:35 p.m.
Remotely Exploit :
Yes !
Source :
[email protected]
CVSS Scores
| Score | Version | Severity | Vector | Exploitability Score | Impact Score | Source |
|---|---|---|---|---|---|---|
| CVSS 3.1 | HIGH | [email protected] | ||||
| CVSS 4.0 | HIGH | 63375d6c-d89a-45ed-8ecc-c8c361b0e04c | ||||
| CVSS 4.0 | HIGH | [email protected] |
Solution
- Update Pandora FMS to version 800 or later.
- Apply vendor patches for Pandora FMS.
- Review and sanitize all web server inputs.
Public PoC/Exploit Available at Github
CVE-2026-30809 has a 1 public
PoC/Exploit available at Github.
Go to the Public Exploits tab to see the list.
References to Advisories, Solutions, and Tools
Here, you will find a curated list of external links that provide in-depth
information, practical solutions, and valuable tools related to
CVE-2026-30809.
| URL | Resource |
|---|---|
| https://pandorafms.com/en/security/common-vulnerabilities-and-exposures/ | Vendor Advisory |
CWE - Common Weakness Enumeration
While CVE identifies
specific instances of vulnerabilities, CWE categorizes the common flaws or
weaknesses that can lead to vulnerabilities. CVE-2026-30809 is
associated with the following CWEs:
Common Attack Pattern Enumeration and Classification (CAPEC)
Common Attack Pattern Enumeration and Classification
(CAPEC)
stores attack patterns, which are descriptions of the common attributes and
approaches employed by adversaries to exploit the CVE-2026-30809
weaknesses.
We scan GitHub repositories to detect new proof-of-concept exploits. Following list is a collection of public exploits and proof-of-concepts, which have been published on GitHub (sorted by the most recently updated).
MyCVEs is a repo with assigned CVEs from coordinated vulnerability disclosure.
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Results are limited to the first 15 repositories due to potential performance issues.
The following list is the news that have been mention
CVE-2026-30809 vulnerability anywhere in the article.
The following table lists the changes that have been made to the
CVE-2026-30809 vulnerability over time.
Vulnerability history details can be useful for understanding the evolution of a vulnerability, and for identifying the most recent changes that may impact the vulnerability's severity, exploitability, or other characteristics.
-
Initial Analysis by [email protected]
Apr. 22, 2026
Action Type Old Value New Value Added CVSS V3.1 AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H Added CPE Configuration OR *cpe:2.3:a:artica:pandora_fms:*:*:*:*:*:*:*:* versions from (including) 777 up to (excluding) 800.1 Added Reference Type Artica PFMS: https://pandorafms.com/en/security/common-vulnerabilities-and-exposures/ Types: Vendor Advisory -
New CVE Received by [email protected]
Apr. 13, 2026
Action Type Old Value New Value Added Description Improper Neutralization of Special Elements used in an OS Command vulnerability allows OS Command Injection via WebServerModuleDebug. This issue affects Pandora FMS: from 777 through 800 Added CVSS V4.0 AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:L/SC:L/SI:L/SA:L/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:N/AU:Y/R:U/V:C/RE:M/U:Amber Added CWE CWE-78 Added Reference https://pandorafms.com/en/security/common-vulnerabilities-and-exposures/