CVE-2026-26081 - Vulnerability Details - OpenCVE

HAProxy Community Edition 3.0 through 3.3 before 3.3.3 lacks a length check for the NEW_TOKEN format. HAProxy Enterprise and ALOHA are also affected.

No CVSS v4.0

Attack Vector Network

Attack Complexity High

Privileges Required None

Scope Unchanged

Confidentiality Impact None

Integrity Impact Low

Availability Impact Low

User Interaction None

No CVSS v3.0

No CVSS v2

This CVE is not in the KEV list.

Exploitation none

Automatable no

Technical Impact partial

Vendors	Products
Haproxy	Haproxy

No data.

No data.

References

Link	Providers
https://git.haproxy.org/?p=haproxy-3.2.git;a=commit;h=4765277f4f915baac2d57db63538ff0a59966deb
https://www.haproxy.org

History

Thu, 30 Jul 2026 20:15:00 +0000

Type	Values Removed	Values Added
Title	Potential Memory Corruption Due to Unchecked NEW_TOKEN Length in HAProxy

Mon, 27 Jul 2026 20:30:00 +0000

Type	Values Removed	Values Added
Title		Potential Memory Corruption Due to Unchecked NEW_TOKEN Length in HAProxy

Sun, 26 Jul 2026 08:00:00 +0000

Type	Values Removed	Values Added
Title	HAProxy Missing Length Check for NEW_TOKEN Leads to Potential Memory Corruption

Tue, 21 Jul 2026 21:30:00 +0000

Type	Values Removed	Values Added
Title		HAProxy Missing Length Check for NEW_TOKEN Leads to Potential Memory Corruption

Mon, 20 Jul 2026 19:30:00 +0000

Type	Values Removed	Values Added
Metrics		ssvc `{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'partial'}, 'version': '2.0.3'}`

Mon, 20 Jul 2026 16:15:00 +0000

Type	Values Removed	Values Added
Description		HAProxy Community Edition 3.0 through 3.3 before 3.3.3 lacks a length check for the NEW_TOKEN format. HAProxy Enterprise and ALOHA are also affected.
First Time appeared		Haproxy Haproxy haproxy
Weaknesses		CWE-130
CPEs		cpe:2.3:a:haproxy:haproxy::::::::
Vendors & Products		Haproxy Haproxy haproxy
References		https://git.haproxy.org/?p=haproxy-3.2.git;a=commit;h=4765277f4f915baac2d57db63538ff0a59966deb https://www.haproxy.org
Metrics		cvssV3_1 `{'score': 4.8, 'vector': 'CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:L/A:L'}`

MITRE

Status: PUBLISHED

Assigner: mitre

Published: 2026-07-20T00:00:00.000Z

Updated: 2026-07-20T18:18:45.876Z

Reserved: 2026-02-11T00:00:00.000Z

Link: CVE-2026-26081

Vulnrichment

Updated: 2026-07-20T18:18:40.560Z

NVD

No data.

Redhat

No data.

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