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Medium 4.8Published Jul 20, 2026

CVE-2026-26081HAProxy Community Edition 3.0 through 3.3 before 3.3.3 lacks a length check for the NEW_TOKEN format.

Updated under an hour ago ()

Does this affect you?

It affects haproxy and 2 other products. Add what you run to find out whether that includes you.

No exploitation reported and no EPSS estimate yet.

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.

CVSS
4.8 MEDIUM (v3.1, NVD)CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:L/A:L
Weakness (CWE)
CWE-130
Known exploited
Not in CISA's KEV catalog
EPSS (exploitation in the next 30 days)
Not loaded for this CVE
Assigned by
Not given
NVD analysis
Analyzed
Record last updated
Aug 25, 2026
First seen by InfoSec Signals
Oct 9, 2026

Affected products

Affected products
haproxy haproxy
haproxy:haproxy
from 3.0.0 before 3.0.16; from 3.1 before 3.1.14; from 3.2 before 3.2.12; from 3.3 before 3.3.3
NVD
haproxy aloha
haproxy:aloha
from 16.5.0.0 before 16.5.30; from 17.0.0 before 17.0.18; from 17.5.0 before 17.5.16
NVD
haproxy haproxy_enterprise
haproxy:haproxy_enterprise
3.0r1; 3.0r1; 3.0r1; 3.0r1; 3.0r1; 3.0r1; 3.0r1; 3.0r1; and 73 more ranges
NVD

References

  • patch, vendor-advisory
  • product

The CVE record is authoritative. Products marked “from the name” were identified from the CNA's free-text names, not a CPE, and are matched less certainly. This product uses the NVD API but is not endorsed or certified by the NVD.

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