Vulnerability · Published Oct 13, 2026 · Assigned by VulnCheck

CVE-2026-109961Froxlor 0.10.0 before 2.3.14 Newline Injection via Ftps.add additional_members

High 8.5

In plain English

A high-severity injection in froxlor from froxlor. Proof-of-concept exploit code is public. The chance it is exploited in the next 30 days is estimated at 0.2% (higher than 13% of all known vulnerabilities).

Severity (CVSS 3.1)8.5High

Exploit odds (30 days)0.2%top 87.0% of all CVEs

Exploited in the wildNo reportsCISA SSVC: poc

Attack toolingNoneno public tooling known

Official description

Froxlor 0.10.0 before 2.3.14 contains a newline injection vulnerability that allows authenticated customers to inject arbitrary entries into the root-owned NSS group database via the unvalidated additional_members parameter of the Ftps.add API. Attackers can embed newline characters that the REBUILD_NSSUSERS cron writes unsanitized into /var/lib/extrausers/group, creating privileged group entries for local privilege escalation.

Affected products (as reported)

Vendor	Product	Versions
froxlor	froxlor	0.10.0 – before 2.3.14

Weakness: CWE-74 · Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:N/I:H/A:L

References

GitHub Security Advisory (GHSA-v44g-c58r-37w2) vendor-advisory
VulnCheck Advisory: Froxlor 0.10.0 before 2.3.14 Newline Injection via Ftps.add additional_members third-party-advisory