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ALPINE-CVE-2026-94265

ALPINE-CVE-2026-94265

This page contains facts from public vulnerability sources. Check the original advisory before updating.

When processing an HTTP redirect to a URL containing userinfo (a `username:password` component), curl might erroneously retain and re-transmit the original host's HTTP Negotiate authentication state. Consequently, a malicious server can trigger a redirect containing arbitrary userinfo to force curl to send a freshly minted Kerberos ticket—generated using the ambient identity of the client process to an untrusted third-party host, effectively bypassing the domain-scoping restrictions normally enforced by the absence of `--location-trusted`.

Fix available

Published
Updated

Stack: system

Affected products and versions

  • curl Alpine:v3.23

    Affected ranges
    • ECOSYSTEM: < 8.23.0-r0

    Update to 8.23.0-r0

  • curl Alpine:v3.24

    Affected ranges
    • ECOSYSTEM: < 8.23.0-r0

    Update to 8.23.0-r0

Original sources

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