CVE-2026-26080

lowpriority · track · 0EPSS 0.005 · 45 %ileDEEURUUS

grimoire priorityP3 · Track

Exploitable?

—

no known exploitation

Likely / severe?

0.55% (45th) EPSS

CVSS 3.7 · low

Is it mine?

28 products

Check your exposure

Who says so?

6 sources

cnnvd · enisa_euvd · fstec_bdu · cert_bund

EPSS · scored 2026-10-22

HAProxy Community Edition 3.2.x through 3.3.x before 3.3.3 can enter a loop or crash because varint is mishandled. HAProxy Enterprise and ALOHA are also affected.

remediations

Vendor fix, mitigation, or workaround guidance, as published by each source.

A vendor fix is available.

Fixedhaproxy-0:3.2.12+git0.6011f448e-160000.1.1.aarch64 as component of SUSE Linux Micro 6.2suse_csaf
To install this SUSE Security Update use the SUSE recommended installation methods like YaST online_update or "zypper patch".
Fixedhaproxy-0:3.2.12+git0.6011f448e-160000.1.1.ppc64le as component of SUSE Linux Micro 6.2suse_csaf
To install this SUSE Security Update use the SUSE recommended installation methods like YaST online_update or "zypper patch".
Fixedhaproxy-0:3.2.12+git0.6011f448e-160000.1.1.s390x as component of SUSE Linux Micro 6.2suse_csaf
To install this SUSE Security Update use the SUSE recommended installation methods like YaST online_update or "zypper patch".
Fixedhaproxy-0:3.2.12+git0.6011f448e-160000.1.1.x86_64 as component of SUSE Linux Micro 6.2suse_csaf
To install this SUSE Security Update use the SUSE recommended installation methods like YaST online_update or "zypper patch".
Fixedhaproxy-0:3.2.12+git0.6011f448e-160000.1.1.ppc64le as component of SUSE Linux Enterprise High Availability Extension 16.0suse_csaf
To install this SUSE Security Update use the SUSE recommended installation methods like YaST online_update or "zypper patch".
Fixedhaproxy-0:3.2.12+git0.6011f448e-160000.1.1.s390x as component of SUSE Linux Enterprise High Availability Extension 16.0suse_csaf
To install this SUSE Security Update use the SUSE recommended installation methods like YaST online_update or "zypper patch".
Fixedhaproxy-0:3.2.12+git0.6011f448e-160000.1.1.x86_64 as component of SUSE Linux Enterprise High Availability Extension 16.0suse_csaf
To install this SUSE Security Update use the SUSE recommended installation methods like YaST online_update or "zypper patch".
Fixedhaproxy-0:3.2.12+git0.6011f448e-160000.1.1.ppc64le as component of SUSE Linux Enterprise Server for SAP applications 16.0suse_csaf
To install this SUSE Security Update use the SUSE recommended installation methods like YaST online_update or "zypper patch".
Fixedhaproxy-0:3.2.12+git0.6011f448e-160000.1.1.x86_64 as component of SUSE Linux Enterprise Server for SAP applications 16.0suse_csaf
To install this SUSE Security Update use the SUSE recommended installation methods like YaST online_update or "zypper patch".
Fixedhaproxy-0:3.2.12+git0.6011f448e-160000.1.1.aarch64 as component of openSUSE Leap 16.0suse_csaf
To install this SUSE Security Update use the SUSE recommended installation methods like YaST online_update or "zypper patch".
Fixedhaproxy-0:3.2.12+git0.6011f448e-160000.1.1.ppc64le as component of openSUSE Leap 16.0suse_csaf
To install this SUSE Security Update use the SUSE recommended installation methods like YaST online_update or "zypper patch".
Fixedhaproxy-0:3.2.12+git0.6011f448e-160000.1.1.s390x as component of openSUSE Leap 16.0suse_csaf
To install this SUSE Security Update use the SUSE recommended installation methods like YaST online_update or "zypper patch".
Fixedhaproxy-0:3.2.12+git0.6011f448e-160000.1.1.x86_64 as component of openSUSE Leap 16.0suse_csaf
To install this SUSE Security Update use the SUSE recommended installation methods like YaST online_update or "zypper patch".

cvss

Technical severity, 0–10. One row per scoring source.

7.5

010

base score 0–10 · higher = more severe · hover a vector to decode⚠ sources disagree · low–high · 3.4–7.5

v3.13.7lowAV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:Lsecondary · FSTEC (BDU) RU

v3.13.7lowCVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:Lsecondary · ENISA EU

v3.13.7lowCVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:Lsecondary · cve@mitre.org USexploitability 2.2 · impact 1.4

v3.13.4lowCVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:L/E:Usecondary · CVSS-BT (t0sche)

v3.17.5highCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:Hsecondary · SUSE Product Security

ssvc

A stakeholder decision — act, attend, or track — from exploitation and impact.

Trackcoordinatorcisa_ssvcUS

weaknesses

The CWE weakness classes this flaw belongs to.

CWE-252USCWE-252US

affected products (28)

Products and version ranges known to be affected.

Debian Linuxall versionscert_bundDEcpe:/o:debian:debian_linux:-
HAProxy ALOHA <17.0.18all versionscert_bundDE
HAProxy ALOHA <17.5.16all versionscert_bundDE
HAProxy HAProxy Community <3.2.12all versionscert_bundDE
HAProxy HAProxy Community <3.3.3all versionscert_bundDE
HAProxy HAProxy Enterprise <hapee-lb-3.2r1-1.0.0-365.548all versionscert_bundDE
Red Hat Enterprise Linuxall versionscert_bundDEcpe:/o:redhat:enterprise_linux:-
SUSE Linuxall versionscert_bundDEcpe:/o:suse:suse_linux:-
SUSE openSUSEall versionscert_bundDEcpe:/o:suse:opensuse:-
HAProxy ALOHA< 17.0.18cert_bundDE
HAProxy ALOHA< 17.5.16cert_bundDE
HAProxy haproxy≤ Community <3.3.3cert_bundDE
HAProxy haproxy≤ Enterprise <hapee-lb-3.2r1-1.0.0-365.548cert_bundDE
HAProxy haproxy≤ Community <3.2.12cert_bundDE
HAProxy haproxy3.2 → 3.2.12enisa_euvdEU
HAProxy haproxy3.3 → 3.3.3enisa_euvdEU
Willy Terreau Aloha17.0.0 → 17.0.18fstec_bduRU
Willy Terreau Aloha17.5.0 → 17.5.16fstec_bduRU
Willy Terreau HAProxy3.2 → 3.2.12fstec_bduRU
Willy Terreau HAProxy3.3 → 3.3.3fstec_bduRU

showing 20 of 28

advisories (6)

Vendor and ecosystem advisories describing this.

SUSE-SU-2026:20557-1Security update for haproxy2026-02-27csaf · suse_csafDE
Security update for haproxy
SUSE-SU-2026:20616-1Security update for haproxy2026-02-27csaf · suse_csafDE
Security update for haproxy
SUSE-SU-2026:20620-1Security update for haproxy2026-02-27csaf · suse_csafDE
Security update for haproxy
WID-SEC-W-2026-0410HAProxy Enterprise, Community und ALOHA (QUIC): Mehrere Schwachstellen ermöglichen Denial of ServiceDeutsch2026-02-12csaf · cert_bundDE
Ein entfernter, anonymer Angreifer kann mehrere Schwachstellen in HAProxy Enterprise, Community und ALOHA ausnutzen, um einen Denial of Service Angriff durchzuführen.
openSUSE-SU-2026:20290-1Security update for haproxy2026-02-27csaf · suse_csafDE
Security update for haproxy
BIT-haproxy-2026-260802026-08-26vendor · osvUS
HAProxy Community Edition 3.2.x through 3.3.x before 3.3.3 can enter a loop or crash because varint is mishandled. HAProxy Enterprise and ALOHA are also affected.

also known as (4)

Other names and identifiers for this entity.

sources

Which sources assert this record, and when.

cnnvd enisa_euvd fstec_bdu cert_bund suse_csaf osv NVD CVE.org MITRE

published 2026-07-20modified 2026-09-25

references (6)

External citations — patches, advisories, analysis.

scry

Attackers weaponise vulnerabilities like this against internet-exposed services. See what is exposed on your perimeter with a free passive scan.

Free scan