CRITICALVulnerability

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.

Properties

severity
CRITICAL
score
9.9
cve_id
CVE-2026-90937
signal_observed_at
2026-09-23T22:45:07+00:00
vector
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:L
published_at
2026-09-14T13:19:32.277
last_modified
2026-09-23T17:17:47.610

Related Entities (2)

DESCRIBED_BY (1)

[Source]NVD

HAS_WEAKNESS (1)

[Weakness]Improper Neutralization of CRLF Sequences ('CRLF Injection')

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CVE-2026-90937 — Ninja Signal Threat Intelligence | Ninja Signal