Name: CVE-2026-54399: Uncontrolled Resource Consumption
Creator: Rapid7
Published: 2026-07-01T00:00:00.000Z
License: https://www.rapid7.com/legal/website-terms-of-use/
Keywords: CVE, CVE-2026-54399, CWE-400, CVSS 7.5, EPSS 0.0087

Uncontrolled Resource Consumption vulnerability in the HTTP/1.1 message parser in Apache HttpComponents Core (5.4.2 and earlier, 5.5-beta1 and earlier) allows an remote attacker to cause a denial of service through memory exhaustion by sending messages with excessive number of headers / excessive header length

CVSS Details

CVSS 3.1 Base Score: 7.5
CVSS 3.1 Vector: (CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H)

Covered by Rapid7

Product	Vendor Advisory	Solution File	Added	Published
Amazon Linux Ami 2	—	Upgrade httpcomponents-coreUpgrade httpcomponents-core-javadoc	Jul 22, 2026	Jul 22, 2026

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CVSS Details

Covered by Rapid7

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