CVE-2026-41237

Description

Froxlor is open source server administration software. In version 2.3.6 and earlier, the LOC record regex uses `\s+` which matches newlines (allowing embedded newlines to pass), TLSA `matchingType=0` has no upper bound on hex data length, and all validators return raw input without zone-file escaping. Version 2.3.7 contains an updated patch.

EPSS — Exploit Prediction

0.0027

Probability of exploitation

0.19%

Percentile rank

EPSS estimates the probability that this vulnerability will be exploited in the wild within the next 30 days. A higher score means more likely to be exploited.

Weakness Type (CWE)

CWE-74 CWE-74

References

Other References

https://github.com/froxlor/froxlor/commit/b34829262dc3 https://github.com/froxlor/froxlor/releases/tag/2.3.7 https://github.com/froxlor/froxlor/security/advisories/GHSA-j6fm-9rfm-j5hx https://github.com/froxlor/froxlor/security/advisories/GHSA-j6fm-9rfm-j5hx

Frequently Asked Questions

What is CVE-2026-41237? +

Froxlor is open source server administration software. In version 2.3.6 and earlier, the LOC record regex uses `\s+` which matches newlines (allowing embedded newlines to pass), TLSA `matchingType=0` has no upper bound on hex data length, and all validators return raw input without zone-file escaping. Version 2.3.7 contains an updated patch.

How do I check if I'm vulnerable to CVE-2026-41237? +

You can use Secably's free Website Scanner to check your website for known vulnerabilities. For infrastructure scanning, use the Port Scanner to identify exposed services that may be affected. Check the vendor advisories linked above for specific patch and version information.

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