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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: Apr 24, 2025Updated: Jun 30, 2026 Sources: CVE List NVD BDUCWE-497

Description

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.

No summary for this CVE yet.

CVSS Vector Breakdown

AV:NAC:HPR:NUI:RS:UC:HI:HA:N
Exploitability
AV:NAttack Vector
Network
AC:HAttack Complexity
High
PR:NPrivileges Required
None
UI:RUser Interaction
Required
Scope
S:UScope
Unchanged
Impact
C:HConfidentiality
High
I:HIntegrity
High
A:NAvailability
None

Weaknesses

Affected Products

Canonical Ltd.
commercial·GBaka canonical
and 13 more affected products View all →

Exploitability

Official Patch Available
Workaround Available

References

and 31 more references View all →

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