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CVE-2026-26080

LOW
3.7
CVSS 3.1
Description
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.

Metadata

CVE ID
CVE-2026-26080
State
PUBLISHED
Assigner
mitre
Reserved
2026-02-11 00:00 UTC
Published
2026-07-20 00:00 UTC
Last updated
2026-07-20 18:16 UTC
Primary CWE
CWE-252
CWE-252 Unchecked Return Value
Vendor / Product
HAProxy / HAProxy
Sources
cve.org  ·  NVD

Severity & Metrics

3.7 LOW CVSS 3.1
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:L
SSVC — CISA Coordinator
Exploitation
none
Automatable
no
Tech. Impact
partial
Affected products (1)
VendorProductPlatformVersions
HAProxy HAProxy — 3.2 < 3.2.12, 3.3 < 3.3.3
Weakness (CWE)
CWESourceDescription
CWE-252 cna CWE-252 Unchecked Return Value
CVSS scores (1)
ScoreSeverityVersionSourceVector
3.7 LOW 3.1 cna CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:L
References (2)
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