CVE-2023-25950
HAProxy vulnerability analysis and mitigation

HTTP request/response smuggling vulnerability in HAProxy version 2.7.0, and 2.6.1 to 2.6.7 allows a remote attacker to alter a legitimate user's request. As a result, the attacker may obtain sensitive information or cause a denial-of-service (DoS) condition.


SourceNVD

Related HAProxy vulnerabilities:

CVE ID

Severity

Score

Technologies

Component name

CISA KEV exploit

Has fix

Published date

CVE-2026-55203CRITICAL9
  • HAProxy logoHAProxy
  • haproxy-debuginfo
NoYesJun 18, 2026
CVE-2026-55204HIGH8.7
  • HAProxy logoHAProxy
  • haproxy-2.6
NoYesJun 18, 2026
CVE-2026-33555MEDIUM5.8
  • HAProxy logoHAProxy
  • haproxy.src
NoYesApr 13, 2026
CVE-2026-26081MEDIUM4.8
  • HAProxy logoHAProxy
  • cpe:2.3:a:haproxy:haproxy
NoYesJul 20, 2026
CVE-2026-26080LOW3.7
  • HAProxy logoHAProxy
  • cpe:2.3:a:haproxy:haproxy
NoYesJul 20, 2026

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