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CVE-2025-46421

Libsoup: information disclosure may leads libsoup client sends authorization header to a different host when being redirected by a server

Published
Last modified
published
Not listed in CISA KEV
Fix
Fixed in 3.6.5
None on Exploit-DB, Metasploit or GitHub
  • Exploitation: none
  • Automatable: no
  • Technical impact: total

Summary

A flaw was found in libsoup. When libsoup clients encounter an HTTP redirect, they mistakenly send the HTTP Authorization header to the new host that the redirection points to. This allows the new host to impersonate the user to the original host that issued the redirect.

Timeline

  1. CVE published
  2. CISA SSVC assessment

    Exploitation: none · Automatable: no · Technical impact: total

  3. Record last updated

Affected versions

  • libsoup

    fixed in 3.6.5

  • libsoup3

    Version range not reported

  • libsoup

    Version range not reported

  • libsoup

    Version range not reported

  • libsoup

    Version range not reported

  • libsoup

    Version range not reported

  • libsoup

    Version range not reported

  • libsoup

    Version range not reported

  • libsoup

    Version range not reported

  • libsoup

    Version range not reported

  • libsoup

    Version range not reported

  • libsoup

    Version range not reported

  • libsoup

    Version range not reported

  • libsoup

    Version range not reported

  • libsoup

    Version range not reported

  • libsoup

    Version range not reported

  • libsoup

    Version range not reported

  • libsoup

    Version range not reported

References 13

access.redhat.com

bugzilla.redhat.com

gitlab.gnome.org