CVEvulnerability
CVE-2026-13608
7.4 HIGH
Official page ↗
- Status
- Modified
- Published
- 2026-09-06
- Last modified
- 2026-09-15
- Assigner
- 2499f714-1537-4658-8207-48ae4bb9eae9
- CVSS 3.1 (134c704f-9b21-4f2e-91b3-4a467353bcc0)
- 7.4 HIGH — CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:N
- Weaknesses
- CWE-923
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.
Affected configurations
• haxx curl (>= 7.82.0 < 8.22.0)
Related
Weakness · CWE (1)
- CWE-923 Improper Restriction of Communication Channel to Intended Endpoints weakness
References
- https://curl.se/docs/CVE-2026-13608.html Patch, Vendor Advisory
- https://curl.se/docs/CVE-2026-13608.json Vendor Advisory
- https://hackerone.com/reports/3822248 Exploit, Third Party Advisory
- https://hackerone.com/reports/3822248 Exploit, Third Party Advisory