CVE-2026-90937froxlor before 2.2.5 nginx/Apache Configuration Injection via subdomain redirect URL
Updated under an hour ago ()
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It affects froxlor. Add what you run to find out whether that includes you.
No exploitation reported and no EPSS estimate yet.
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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
- 9.9 CRITICAL (v3.1, CNA)CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:L
- Weakness (CWE)
- CWE-93
- Known exploited
- Not in CISA's KEV catalog
- EPSS (exploitation in the next 30 days)
- Not loaded for this CVE
- Assigned by
- VulnCheck
- NVD analysis
- Deferred
- Record last updated
- Sep 16, 2026
- First seen by InfoSec Signals
- Oct 9, 2026
Affected products
froxlor froxlor froxlor:froxlor (from the name) | before 2.2.5; 2.2.5 not affected | CNA record |
References
- https://github.com/froxlor/froxlor/security/advisories/GHSA-c3p2-mj7v-5mrcvendor-advisory
- https://www.vulncheck.com/advisories/froxlor-before-2.2.5-nginx-apache-configuration-injection-via-subdomain-redirect-urlthird-party-advisory
The CVE record on cve.org NVD's entry
The CVE record is authoritative. Products marked “from the name” were identified from the CNA's free-text names, not a CPE, and are matched less certainly. This product uses the NVD API but is not endorsed or certified by the NVD.