4.8

CVE-2026-26081: haproxy aloha

CVSS: 4.8v3.1MediumAnalyzed
AliasesUBUNTU-CVE-2026-26081DEBIAN-CVE-2026-26081DSA-6130-1
Published 20-07-2026Last modified 20-07-2026
Open JSON

Vulnerability summary

CVE-2026-26081 is a medium (CVSS 4.8) vulnerability in haproxy aloha. EPSS estimates a 0.48% chance of exploitation in the next 30 days, higher than 40% of scored vulnerabilities.

Overall risk
19/100
0100
Low · default modelHow is this calculated?
CVSS score
4.8/10
010
Medium · v3.1 (CVE.org)
EPSS score
0.48%
0%100%
Low · 0.00 pp in 30 days
KEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded

Advisory lineage

Upstream 0 · Downstream 5 · Related 5
OPENSUSE-SU-2026:20290-1RHSA-2026:40938SUSE-SU-2026:20557-1SUSE-SU-2026:20616-1SUSE-SU-2026:20620-1USN-8036-1

Timeline

  1. 20-07-2026
    PublishedVulnerability first disclosed.
  2. 20-07-2026
    Last modifiedVulnerability information updated.

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.

CVSS metrics

4 scores · 4 sources · 1 version

EPSS trend

Probability

0.48%

Chance of exploitation in the next 30 days

Percentile

40%

Versus all other CVEs

30-day change

0.00 pp

From 0.48% on 21-09-2026

21-09-202621-10-2026
EPSS score
0.48%

Known exploited

Compare KEV catalogs

Not in any of the 3 tracked catalogs.

Public exploits

0 found

No public exploits indexed.

Weaknesses

CWE · root cause

Affected systems

Haproxy3 products
  • aloha≥ 16.5.0.0, < 16.5.30 | ≥ 17.0.0, < 17.0.18 | ≥ 17.5.0, < 17.5.16
  • haproxy≥ 3.0, < 3.0.12 | ≥ 3.0.0, < 3.0.16 | ≥ 3.1, < 3.1.14 | ≥ 3.2, < 3.2.12 | ≥ 3.3, < 3.3.3
  • haproxy_enterprise3.0r1:1.0.0-337.363 | 3.0r1:1.0.0-337.390 | 3.0r1:1.0.0-337.394 | 3.0r1:1.0.0-339.395 | 3.0r1:1.0.0-339.405 | 3.0r1:1.0.0-339.415 | 3.0r1:1.0.0-339.455 | 3.0r1:1.0.0-339.466 | 3.0r1:1.0.0-339.471 | 3.0r1:1.0.0-341.475 | 3.0r1:1.0.0-342.482 | 3.0r1:1.0.0-344.495 | 3.0r1:1.0.0-344.503 | 3.0r1:1.0.0-344.561 | 3.0r1:1.0.0-344.564 | 3.0r1:1.0.0-344.591 | 3.0r1:1.0.0-344.608 | 3.0r1:1.0.0-344.641 | 3.0r1:1.0.0-344.655 | 3.0r1:1.0.0-344.672 | 3.0r1:1.0.0-345.673 | 3.0r1:1.0.0-346.792 | 3.0r1:1.0.0-346.795 | 3.0r1:1.0.0-346.800 | 3.0r1:1.0.0-346.803 | 3.0r1:1.0.0-346.810 | 3.0r1:1.0.0-346.834 | 3.0r1:1.0.0-347.835 | 3.0r1:1.0.0-348.870 | 3.0r1:1.0.0-348.875 | 3.0r1:1.0.0-349.880 | 3.0r1:1.0.0-349.883 | 3.0r1:1.0.0-349.885 | 3.0r1:1.0.0-349.903 | 3.0r1:1.0.0-349.916 | 3.0r1:1.0.0-350.918 | 3.0r1:1.0.0-350.928 | 3.1r1:1.0.0-345.233 | 3.1r1:1.0.0-346.274 | 3.1r1:1.0.0-346.287 | 3.1r1:1.0.0-347.299 | 3.1r1:1.0.0-347.338 | 3.1r1:1.0.0-347.362 | 3.1r1:1.0.0-347.405 | 3.1r1:1.0.0-347.419 | 3.1r1:1.0.0-347.431 | 3.1r1:1.0.0-347.449 | 3.1r1:1.0.0-348.519 | 3.1r1:1.0.0-349.585 | 3.1r1:1.0.0-350.593 | 3.1r1:1.0.0-350.602 | 3.1r1:1.0.0-350.625 | 3.1r1:1.0.0-350.633 | 3.1r1:1.0.0-351.652 | 3.1r1:1.0.0-352.687 | 3.1r1:1.0.0-353.690 | 3.1r1:1.0.0-353.692 | 3.1r1:1.0.0-353.715 | 3.1r1:1.0.0-353.730 | 3.1r1:1.0.0-354.732 | 3.1r1:1.0.0-354.743 | 3.2r1:1.0.0-353.334 | 3.2r1:1.0.0-353.336 | 3.2r1:1.0.0-353.347 | 3.2r1:1.0.0-353.355 | 3.2r1:1.0.0-353.376 | 3.2r1:1.0.0-353.385 | 3.2r1:1.0.0-353.398 | 3.2r1:1.0.0-354.402 | 3.2r1:1.0.0-354.439 | 3.2r1:1.0.0-358.439 | 3.2r1:1.0.0-359.440 | 3.2r1:1.0.0-360.460 | 3.2r1:1.0.0-362.473 | 3.2r1:1.0.0-363.476 | 3.2r1:1.0.0-363.478 | 3.2r1:1.0.0-363.498 | 3.2r1:1.0.0-363.511 | 3.2r1:1.0.0-365.529 | 3.2r1:1.0.0-365.531 | 3.2r1:1.0.0-365.545
Debian1 product
  • haproxy< 3.2.11-2 | < 3.0.11-1+deb13u2
Opensuse1 product
  • haproxy&distro=openSUSE Tumbleweed< 3.3.3+git0.465d8e2fc-1.1
Ubuntu1 product
  • haproxy< 3.0.12-0ubuntu0.25.10.3

4 vendors · 6 products

References

8 links