Riskcovery

CVE-2026-13608

OpenLDAP SASL authentication bypass

State
Published
Severity
7.4 High
Published
Sep 6, 2026
Updated
Sep 15, 2026
Reserved
Jun 29, 2026

Read the record on cve.org

Description

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.

Scores

CVSSScoreVectorSource
3.17.4 HighCVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:NCISA-ADP

Weaknesses

  • CWE-923 Improper Restriction of Communication Channel to Intended Endpoints

Affected Products

ProductVersions
curlcurl
  • 7.82.0 to before 8.14.2Affected
  • 8.15.0 to before 8.16.1Affected
  • 8.17.0 to before 8.20.1Affected
  • 8.21.0 to before 8.22.0Affected
curlcurl
  • eeca818b1e8d1e61c2d4d833aed56ce4c510a9d4 to before ea71c3b6b60e563651ea8596a975aef0c8199519Affected
curlcurl
  • 8.21.0Affected
  • 8.20.0Affected
  • 8.19.0Affected
  • 8.18.0Affected
  • 8.17.0Affected
  • 8.16.0Affected
  • 8.15.0Affected
  • 8.14.1Affected
  • 8.14.0Affected
  • 8.13.0Affected
  • 8.12.1Affected
  • 8.12.0Affected
  • 8.11.1Affected
  • 8.11.0Affected
  • 8.10.1Affected
  • 8.10.0Affected
  • 8.9.1Affected
  • 8.9.0Affected
  • 8.8.0Affected
  • 8.7.1Affected
  • 8.7.0Affected
  • 8.6.0Affected
  • 8.5.0Affected
  • 8.4.0Affected
  • 8.3.0Affected
  • and 16 more versions

References

Every record here comes from the CVE Program’s CVE List. © 1999–2026 The MITRE Corporation. CVE is a registered trademark of The MITRE Corporation. The records are reproduced under the CVE Program terms of use.