What is CVE-2026-44186?

CVE-2026-44186 is a high-severity vulnerability in Apache Http_server, classified under Loop with Unreachable Exit Condition (Infinite Loop). CVSS score: 7.3/10. Published 2026-06-08.

How severe is CVE-2026-44186?

High severity. CVSS v3 base score is 7.3 out of 10.

Vulnerability in Apache Http_server

CVE-2026-44186

Loop with Unreachable Exit Condition ('Infinite Loop') vulnerability in the mod_proxy_ftp module in Apache HTTP Server with an attacker controlled backend FTP server. This issue affects undefined: from 2.4.0 through 2.4.67. Users are rec…

EPSS: 0.006 (43.3th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 7.3 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L.

Affected products

Apache Http_server
Apache Software Foundation Http Server — versions 2.4.0

Weakness classification (CWE)

CWE-835 — Loop with Unreachable Exit Condition (Infinite Loop)

References

security@apache.org (vendor-advisory, Vendor Advisory)
af854a3a-2127-422b-91ae-364da2661108 (Mailing List, Third Party Advisory)

Frequently asked questions

What is CVE-2026-44186?: CVE-2026-44186 is a high-severity vulnerability in Apache Http_server, classified under Loop with Unreachable Exit Condition (Infinite Loop). CVSS score: 7.3/10. Published 2026-06-08.
How severe is CVE-2026-44186?: High severity. CVSS v3 base score is 7.3 out of 10.