CVE-2026-53804

OTRS Community Edition OS Command Injection via PGP Configuration

Published: Aug 20, 2026Updated: Sep 24, 2026 Sources: CVE List NVDCWE-78

7.2HIGH

Description

OTRS Community Edition contains an authenticated OS command injection vulnerability in the PGP encryption module that allows administrators to execute arbitrary operating-system commands by supplying crafted values for the PGP binary path and command options. Administrator-supplied configuration values are concatenated without sanitization into a shell command, enabling arbitrary command execution as the web server process user during normal ticket operations after the malicious configuration is deployed.

No summary for this CVE yet.

CVSS Vector Breakdown

Exploitability

AV:NAttack Vector

Network

AC:LAttack Complexity

Low

PR:HPrivileges Required

High

UI:NUser Interaction

None

Scope

S:UScope

Unchanged

Impact

C:HConfidentiality

High

I:HIntegrity

High

A:HAvailability

High

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Weaknesses

CWE-78

Affected Products

Centuran Consulting

OTRS Community Edition

Exploitability

No known exploits, KEV entries, or remediation guidance available for this vulnerability yet.

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Attack Graph

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MITRE ATT&CK

1 technique

Execution

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References

https://h00die-gr3y.github.io/research/cve-2026-53804/

h00die-gr3y.github.io

https://www.vulncheck.com/advisories/otrs-community-edition-os-command-injection-via-pgp-configuration

vulncheck.com

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