CVE-2026-90937

froxlor versions before 2.2.5 fail to validate newline characters in subdomain redirect URLs, allowing authenticated customers to inject arbitrary nginx or Apache configuration directives. Attackers can supply URLs containing literal newlines that are written verbatim into vhost config files during cron rebuild, enabling web server configuration corruption, denial of service, or hijacking of HTTP responses across hosted domains.

CVSS v3 9.9 CRITICAL

9.9^/10

CVSS v3 : CRITICAL

Vector :

Exploitability : 3.1 / Impact : 6.0

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required LOW

User Interaction NONE

Confidentiality Impact HIGH

Integrity Impact HIGH

Availability Impact LOW

Scope CHANGED

References

Link	Resource
https://github.com/froxlor/froxlor/security/advisories/GHSA-c3p2-mj7v-5mrc
https://www.vulncheck.com/advisories/froxlor-before-2.2.5-nginx-apache-configuration-injection-via-subdomain-redirect-url

Configurations

No configuration.

History

No history.

Information

Published : 2026-09-14 13:19

Updated : 2026-09-14 13:19

NVD link : CVE-2026-90937

Mitre link : CVE-2026-90937

CVE.ORG link : CVE-2026-90937

JSON object : View

Products Affected

No product.

CWE

CWE-93

Improper Neutralization of CRLF Sequences ('CRLF Injection')

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