CVE-2026-53804
8.6
CVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N
Summary
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.
Affected Software
| Vendor | Product | Version Range | Status |
|---|---|---|---|
| Centuran Consulting | OTRS Community Edition | 0 <= 6.0.41 | affected |
| Centuran Consulting | OTRS Community Edition | 0 <= 6357cdb89fe1dcc83a84fba14bd0f22898eea99a | affected |
Weaknesses
- CWE-78: Improper Neutralization of Special Elements used in an OS Command ('OS Command Injection')
References
- https://h00die-gr3y.github.io/research/cve-2026-53804/
- https://www.vulncheck.com/advisories/otrs-community-edition-os-command-injection-via-pgp-configuration
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