All vulnerabilities

Servers and applications

CVE-2026-13608

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.

Severity
High 7.4
Published
6 Sept 2026
Last changed
15 Sept 2026
Added to UpHeron
21 Oct 2026
Fixed in
8.22.0
Sources
NVD

Affected software

SoftwareAffected versions
curlServers and applications · cpe:a:haxx:curl
  • From 7.82.0 before 8.22.0

References

  • NVD https://nvd.nist.gov/vuln/detail/CVE-2026-13608
  • CVE.org https://www.cve.org/CVERecord?id=CVE-2026-13608