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CVE-2026-26081

CVSS 4.8 · Medium EPSS 0.36% · P29

Possible ATT&CK Techniques 1AI

T1190 · Exploit Public-Facing Application

Affected Version Matrix 4

VendorProductVersion RangeStatus
HAProxyHAProxy3.0< 3.0.12affected
3.1< 3.1.14affected
3.2< 3.2.12affected
3.3< 3.3.3affected
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I. Basic Information for CVE-2026-26081

Vulnerability Information
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Vulnerability Title
N/A
Source: CVE Program / CVE List V5
Vulnerability 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.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:L/A:L
Source: CVE Program / CVE List V5
Vulnerability Type
长度参数不一致性处理不恰当
Source: CVE Program / CVE List V5
Vulnerability Title
HAProxy 输入验证错误漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
HAProxy是法国HAProxy组织开源的一款开源的TCP/HTTP负载均衡服务器。该服务器提供4层、7层代理,并能支持上万级别的连接,具有高效、稳定等特点。 HAProxy 3.0版本至3.3.3之前版本存在输入验证错误漏洞，该漏洞源于缺少对NEW_TOKEN格式的长度检查，可能导致完整性影响和可用性影响。
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)

Affected Products

VendorProductAffected VersionsCPESubscribe
HAProxyHAProxy 3.0 ~ 3.0.12 -

II. Public POCs for CVE-2026-26081

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III. Intelligence Information for CVE-2026-26081

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Patches & Fixes for CVE-2026-26081 (1)

Vendor Pages for CVE-2026-26081 (1)

IV. Related Vulnerabilities

Same product: HAProxy
Same vendor: HAProxy
Same weakness: CWE-130

V. Comments for CVE-2026-26081

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