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OpenLDAP SASL authentication bypass

curl · CVE-2026-13608
0 news outlets0 CERTs and agencies0 researchers

What is it?

A flaw in the libcurl SASL negotiation for LDAP authentication allows an incomplete handshake sequence to be misinterpreted as a successful cryptographic verification. An attacker executing a Man-in-the-Middle (MITM) attack can inject a premature or shortcut response that bypasses complete peer validation.

Evidence

No coverage recorded yet.

Exploitation

  • Public proof of concept
  • Exploited in the wild
  • Listed as known exploited
CVSS
7.4
EPSS
0.5%
First seen
7 d ago
Status
corroborated

All curl vulnerabilities