CVE-2026-26081: 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.

PriorityP426medium4.8CVSS 3.1

AVNACHPRNUINSUCNILAL

EPSS

0.36%

28.8th percentile

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.

Affected

5 ranges

Vendor	Product	Version range	Fixed in
debian	haproxy	< haproxy 3.2.11-2 (forky)	haproxy 3.2.11-2 (forky)
haproxy	haproxy	>= 3.0 < 3.0.12	3.0.12
haproxy	haproxy	>= 3.1 < 3.1.14	3.1.14
haproxy	haproxy	>= 3.2 < 3.2.12	3.2.12
haproxy	haproxy	>= 3.3 < 3.3.3	3.3.3

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