CVE-2026-26081

EUVD-2026-45989
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.
ProviderTypeBase ScoreAtk. VectorAtk. ComplexityPriv. RequiredVector
mitreCNA
4.8 MEDIUM
NETWORK
HIGH
NONE
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:L/A:L
Base Score
CVSS 3.x
EPSS Score
Percentile: Unknown
Early Detection
Affected products identified ahead of NVD analysis through intelligence sources.
VendorProductVersionSource
haproxyhaproxy
3.0 ≤
𝑥
< 3.0.12
CNA
haproxyhaproxy
3.1 ≤
𝑥
< 3.1.14
CNA
haproxyhaproxy
3.2 ≤
𝑥
< 3.2.12
CNA
haproxyhaproxy
3.3 ≤
𝑥
< 3.3.3
CNA
Debian logo
Debian Releases
Debian Product
Codename
haproxy
bookworm
2.6.12-1+deb12u3
fixed
bookworm (security)
2.6.12-1+deb12u3
fixed
bullseye
2.2.9-2+deb11u6
fixed
bullseye (security)
2.2.9-2+deb11u7
fixed
forky
3.2.21-1
fixed
sid
3.2.21-1
fixed
trixie
3.0.11-1+deb13u3
fixed
trixie (security)
3.0.11-1+deb13u3
fixed
Ubuntu logo
Ubuntu Releases
Ubuntu Product
Codename
haproxy
bionic
not-affected
focal
not-affected
jammy
not-affected
noble
not-affected
questing
Fixed 3.0.12-0ubuntu0.25.10.3
released
xenial
not-affected
Common Weakness Enumeration
References
https://git.haproxy.org/?p=haproxy-3.2.git;a=commit;h=4765277f4f915baac2d57db63538ff0a59966deb
https://www.haproxy.org