CVE-2026-13608

published 2026-09-06

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…

Priority P3 47 high 7.4 CVSS 3.1

AV N AC H PR N UI N S U C H I H A N

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

50 ranges · showing 25

Vendor	Product	Version range	Fixed in
curl	curl	—	—
curl	curl	—	—
curl	curl	—	—
curl	curl	—	—
curl	curl	—	—
curl	curl	—	—
curl	curl	—	—
curl	curl	—	—
curl	curl	—	—
curl	curl	—	—
curl	curl	—	—
curl	curl	—	—
curl	curl	—	—
curl	curl	—	—
curl	curl	—	—
curl	curl	—	—
curl	curl	—	—
curl	curl	—	—
curl	curl	—	—
curl	curl	—	—
curl	curl	—	—
curl	curl	—	—
curl	curl	—	—
curl	curl	—	—
curl	curl	—	—

CVSS provenance

nvd v3.1 7.4 HIGH CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:N

vendor_redhat 7.4 HIGH

vendor_ubuntu 7.4 HIGH

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