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CVE PROGRAM SOURCE RECORD9.1 Critical

CVE-2026-87861

cross-origin reuse of a Negotiate connection

Read JSON ↗CVE.org ↗
Status
Published
Published
Updated
Assigning organization
curl

Description

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.

Affected products

Version statuses are supplied by the assigning organization. Consult the original record for detailed ranges and platform conditions.

curl curl

Default version status: unaffected

  • 8.22.0 to ≤ 8.22.0affected
  • 8.21.0 to ≤ 8.21.0affected

References