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CVE-2026-13608 is an authentication bypass in libcurl's OpenLDAP SASL negotiation. An incomplete authentication handshake can be incorrectly accepted as successful cryptographic verification. A man-in-the-middle attacker can inject a premature or shortcut response, causing libcurl to bypass complete peer validation and potentially compromising the confidentiality and integrity of the authentication exchange.
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A libcurl LDAP authentication vulnerability allows a man-in-the-middle attacker to bypass complete peer validation by injecting a premature response during SASL negotiation. The advisory rates it High, with a CVSS v3 base score of 7.4 and potential confidentiality and integrity impacts. Exploits are available, but the content does not report exploitation in the wild.
A libcurl LDAP SASL-negotiation flaw that may let a man-in-the-middle cause an incomplete handshake to be accepted as successful cryptographic verification.
Unknown; the content provides only a reference link and no vulnerability details.
An authentication-bypass vulnerability caused by a flaw in OpenLDAP SASL negotiation, affecting the SUSE curl/libcurl package update addressed by SUSE-SU-2026:4048-1.
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Every observed campaign linking this CVE to a named adversary.
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Cross-references every affected SKU, including bundled OEM variants.
Community discussion across Reddit, Mastodon, and other social sources.