CVE-2026-26080

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Source
https://cve.org/CVERecord?id=CVE-2026-26080
Import Source
https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2026-26080.json
JSON Data
https://api.osv.dev/v1/vulns/CVE-2026-26080
Aliases
Downstream
Related
Published
2026-07-20T00:00:00Z
Modified
2026-08-27T11:47:33.492198334Z
Severity
  • 3.7 (Low) CVSS_V3 - CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:L CVSS Calculator
Summary
[none]
Details

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.

Database specific 
{
    "osv_generated_from": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/26xxx/CVE-2026-26080.json",
    "unresolved_ranges": [
        {
            "source": "AFFECTED_FIELD",
            "extracted_events": [
                {
                    "introduced": "3.2"
                },
                {
                    "fixed": "3.2.12"
                },
                {
                    "introduced": "3.3"
                },
                {
                    "fixed": "3.3.3"
                }
            ]
        },
        {
            "source": "CPE_FIELD",
            "extracted_events": [
                {
                    "introduced": "3.2"
                },
                {
                    "fixed": "3.2.12"
                },
                {
                    "introduced": "3.3"
                },
                {
                    "fixed": "3.3.3"
                }
            ]
        },
        {
            "source": "DESCRIPTION",
            "extracted_events": [
                {
                    "introduced": "3.2.x"
                },
                {
                    "fixed": "3.3.x"
                },
                {
                    "fixed": "3.3.3"
                }
            ]
        }
    ],
    "cwe_ids": [
        "CWE-252"
    ],
    "cna_assigner": "mitre"
}
References

Affected packages

Git / github.com/haproxy/haproxy

Affected ranges

Type
GIT
Repo
https://github.com/haproxy/haproxy
Events
Introduced
e134140d282c006417945d78e7964cc8fa14586a
Fixed
beb23069c6233a974d305a28e4d276586929167d
Introduced
7832fb21fe2dd11ce44e996d8e86802731b871b2
Fixed
d4d72e23034da39452e8d981b75956eedd6a37c8
Database specific
Show details 
{
    "source": "CPE_RANGE",
    "cpe": "cpe:2.3:a:haproxy:haproxy:*:*:*:*:*:*:*:*",
    "extracted_events": [
        {
            "introduced": "3.2"
        },
        {
            "fixed": "3.2.12"
        },
        {
            "introduced": "3.3"
        },
        {
            "fixed": "3.3.3"
        }
    ]
}

Affected versions

v3.*
v3.2.0
v3.3-dev0
v3.3-dev1
v3.3-dev2

Database specific

source 
"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2026-26080.json"