CURL-CVE-2026-87861

vendorUSosv

cross-origin reuse of a Negotiate connection

view advisory published 2026-10-14Licence: per source

When using ambient user credentials, an HTTP request directed to one origin may be dispatched over a connection previously authenticated via Negotiate for a different origin, leaving the request's intended credentials unused.

01

describes (1)

Related CVEs.

IDseverity exploitable
CVE-2026-87861US—OT elevated—
When using ambient user credentials, an HTTP request directed to one origin may be dispatched over a connection previously authenticated via Negotiate for a different origin, leavi…
scry

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