FKIE_CVE-2026-26081
Vulnerability from fkie_nvd - Published: 2026-07-20 16:16 - Updated: 2026-08-25 15:43
Severity
Summary
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.
References
| URL | Tags | ||
|---|---|---|---|
| cve@mitre.org | https://git.haproxy.org/?p=haproxy-3.2.git;a=commit;h=4765277f4f915baac2d57db63538ff0a59966deb | Patch, Vendor Advisory | |
| cve@mitre.org | https://www.haproxy.org | Product |
Impacted products
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"matchCriteriaId": "75189C3E-AD66-4FB9-996C-413BDE9E813E",
"vulnerable": true
},
{
"criteria": "cpe:2.3:a:haproxy:haproxy_enterprise:3.2r1:1.0.0-354.402:*:*:*:*:*:*",
"matchCriteriaId": "78085408-69CC-474D-9384-98D51C0CE84C",
"vulnerable": true
},
{
"criteria": "cpe:2.3:a:haproxy:haproxy_enterprise:3.2r1:1.0.0-354.439:*:*:*:*:*:*",
"matchCriteriaId": "7A7D3C8C-27EE-4BBD-8BFC-5EE01D3EB2CB",
"vulnerable": true
},
{
"criteria": "cpe:2.3:a:haproxy:haproxy_enterprise:3.2r1:1.0.0-358.439:*:*:*:*:*:*",
"matchCriteriaId": "BA7668BC-34EE-4524-B2A0-862FF8A7FA63",
"vulnerable": true
},
{
"criteria": "cpe:2.3:a:haproxy:haproxy_enterprise:3.2r1:1.0.0-359.440:*:*:*:*:*:*",
"matchCriteriaId": "597390EB-CAE0-4926-86D5-A72E88B699E5",
"vulnerable": true
},
{
"criteria": "cpe:2.3:a:haproxy:haproxy_enterprise:3.2r1:1.0.0-360.460:*:*:*:*:*:*",
"matchCriteriaId": "CA3DAE64-AFFE-4F7D-9285-1CF9E77D64B5",
"vulnerable": true
},
{
"criteria": "cpe:2.3:a:haproxy:haproxy_enterprise:3.2r1:1.0.0-362.473:*:*:*:*:*:*",
"matchCriteriaId": "05494560-7CF0-471A-BF9E-3DCE92137E00",
"vulnerable": true
},
{
"criteria": "cpe:2.3:a:haproxy:haproxy_enterprise:3.2r1:1.0.0-363.476:*:*:*:*:*:*",
"matchCriteriaId": "7900E687-83BF-40C1-8E07-ECC4AD628029",
"vulnerable": true
},
{
"criteria": "cpe:2.3:a:haproxy:haproxy_enterprise:3.2r1:1.0.0-363.478:*:*:*:*:*:*",
"matchCriteriaId": "EC300D02-36F7-46C8-8613-D0992A1F01E5",
"vulnerable": true
},
{
"criteria": "cpe:2.3:a:haproxy:haproxy_enterprise:3.2r1:1.0.0-363.498:*:*:*:*:*:*",
"matchCriteriaId": "D27C0E49-CFA5-487C-8925-A647F9A4C0F6",
"vulnerable": true
},
{
"criteria": "cpe:2.3:a:haproxy:haproxy_enterprise:3.2r1:1.0.0-363.511:*:*:*:*:*:*",
"matchCriteriaId": "8F9AFC1E-49A5-4B46-AD5E-65C188F4CD8F",
"vulnerable": true
},
{
"criteria": "cpe:2.3:a:haproxy:haproxy_enterprise:3.2r1:1.0.0-365.529:*:*:*:*:*:*",
"matchCriteriaId": "26145D01-6E25-4D77-81C9-6EBFFCC59738",
"vulnerable": true
},
{
"criteria": "cpe:2.3:a:haproxy:haproxy_enterprise:3.2r1:1.0.0-365.531:*:*:*:*:*:*",
"matchCriteriaId": "1FF50A08-176A-4868-9FC9-A73242309290",
"vulnerable": true
},
{
"criteria": "cpe:2.3:a:haproxy:haproxy_enterprise:3.2r1:1.0.0-365.545:*:*:*:*:*:*",
"matchCriteriaId": "379630E9-8313-4D6A-9424-51B7FE778134",
"vulnerable": true
}
],
"negate": false,
"operator": "OR"
}
]
}
],
"cveTags": [],
"descriptions": [
{
"lang": "en",
"value": "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."
}
],
"id": "CVE-2026-26081",
"lastModified": "2026-08-25T15:43:31.907",
"metrics": {
"cvssMetricV31": [
{
"cvssData": {
"attackComplexity": "HIGH",
"attackVector": "NETWORK",
"availabilityImpact": "LOW",
"baseScore": 4.8,
"baseSeverity": "MEDIUM",
"confidentialityImpact": "NONE",
"integrityImpact": "LOW",
"privilegesRequired": "NONE",
"scope": "UNCHANGED",
"userInteraction": "NONE",
"vectorString": "CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:L/A:L",
"version": "3.1"
},
"exploitabilityScore": 2.2,
"impactScore": 2.5,
"source": "cve@mitre.org",
"type": "Secondary"
}
],
"ssvcV203": [
{
"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
"ssvcData": {
"id": "CVE-2026-26081",
"options": [
{
"exploitation": "none"
},
{
"automatable": "no"
},
{
"technicalImpact": "partial"
}
],
"role": "CISA Coordinator",
"timestamp": "2026-07-20T18:18:33.060272Z",
"version": "2.0.3"
}
}
]
},
"published": "2026-07-20T16:16:57.203",
"references": [
{
"source": "cve@mitre.org",
"tags": [
"Patch",
"Vendor Advisory"
],
"url": "https://git.haproxy.org/?p=haproxy-3.2.git;a=commit;h=4765277f4f915baac2d57db63538ff0a59966deb"
},
{
"source": "cve@mitre.org",
"tags": [
"Product"
],
"url": "https://www.haproxy.org"
}
],
"sourceIdentifier": "cve@mitre.org",
"vulnStatus": "Analyzed",
"weaknesses": [
{
"description": [
{
"lang": "en",
"value": "CWE-130"
}
],
"source": "cve@mitre.org",
"type": "Secondary"
}
]
}
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Experimental. This forecast is provided for visualization only and may change without notice. Do not use it for operational decisions.
Forecast uses a logistic model when the trend is rising, or an exponential decay model when the trend is falling. Fitted via linearized least squares.
Sightings
| Author | Source | Type | Date | Other |
|---|
Nomenclature
- Seen: The vulnerability was mentioned, discussed, or observed by the user.
- Confirmed: The vulnerability has been validated from an analyst's perspective.
- Published Proof of Concept: A public proof of concept is available for this vulnerability.
- Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
- Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
- Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
- Not confirmed: The user expressed doubt about the validity of the vulnerability.
- Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.
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The MITRE ATT&CK techniques below are AI-generated suggestions, inferred from the description of the
vulnerability by the CIRCL/vulnerability-attack-technique-classification-roberta-base
model, served locally by ML-Gateway.
They have not been verified by an analyst and are provided for guidance only.
The approach is described in our paper Mapping CVEs to MITRE ATT&CK Techniques: A Curated Gold-Set Classifier and the Limits of LLM-Assisted Label Expansion.
The approach is described in our paper Mapping CVEs to MITRE ATT&CK Techniques: A Curated Gold-Set Classifier and the Limits of LLM-Assisted Label Expansion.
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