CVE-2025-46421
Libsoup: information disclosure may leads libsoup client sends authorization header to a different host when being redirected by a server
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.
INFO
Published Date :
April 24, 2025, 1:15 p.m.
Last Modified :
July 28, 2025, 1:15 p.m.
Remotely Exploit :
Yes !
Source :
[email protected]
Affected Products
The following products are affected by CVE-2025-46421
vulnerability.
Even if cvefeed.io is aware of the exact versions of the
products
that
are
affected, the information is not represented in the table below.
CVSS Scores
| Score | Version | Severity | Vector | Exploitability Score | Impact Score | Source |
|---|---|---|---|---|---|---|
| CVSS 3.1 | MEDIUM | [email protected] |
Solution
- Update libsoup to the latest secure version.
- Review and configure client behavior for redirects.
- Monitor network traffic for suspicious authorization.
- Implement stricter access controls on servers.
References to Advisories, Solutions, and Tools
Here, you will find a curated list of external links that provide in-depth
information, practical solutions, and valuable tools related to
CVE-2025-46421.
CWE - Common Weakness Enumeration
While CVE identifies
specific instances of vulnerabilities, CWE categorizes the common flaws or
weaknesses that can lead to vulnerabilities. CVE-2025-46421 is
associated with the following CWEs:
Common Attack Pattern Enumeration and Classification (CAPEC)
Common Attack Pattern Enumeration and Classification
(CAPEC)
stores attack patterns, which are descriptions of the common attributes and
approaches employed by adversaries to exploit the CVE-2025-46421
weaknesses.
We scan GitHub repositories to detect new proof-of-concept exploits. Following list is a collection of public exploits and proof-of-concepts, which have been published on GitHub (sorted by the most recently updated).
Results are limited to the first 15 repositories due to potential performance issues.
The following list is the news that have been mention
CVE-2025-46421 vulnerability anywhere in the article.
The following table lists the changes that have been made to the
CVE-2025-46421 vulnerability over time.
Vulnerability history details can be useful for understanding the evolution of a vulnerability, and for identifying the most recent changes that may impact the vulnerability's severity, exploitability, or other characteristics.
-
CVE Modified by [email protected]
Jul. 28, 2025
Action Type Old Value New Value Added Reference https://gitlab.gnome.org/GNOME/libsoup/-/issues/439 -
CVE Modified by [email protected]
May. 13, 2025
Action Type Old Value New Value Added Reference https://access.redhat.com/errata/RHSA-2025:7436 Added Reference https://access.redhat.com/errata/RHSA-2025:7505 -
CVE Modified by [email protected]
May. 07, 2025
Action Type Old Value New Value Added Reference https://access.redhat.com/errata/RHSA-2025:4609 Added Reference https://access.redhat.com/errata/RHSA-2025:4624 -
CVE Modified by [email protected]
May. 06, 2025
Action Type Old Value New Value Added Reference https://access.redhat.com/errata/RHSA-2025:4508 Added Reference https://access.redhat.com/errata/RHSA-2025:4560 Added Reference https://access.redhat.com/errata/RHSA-2025:4568 -
CVE Modified by [email protected]
May. 06, 2025
Action Type Old Value New Value Added Reference https://access.redhat.com/errata/RHSA-2025:4538 -
CVE Modified by [email protected]
May. 05, 2025
Action Type Old Value New Value Added Reference https://access.redhat.com/errata/RHSA-2025:4440 -
CVE Modified by [email protected]
May. 05, 2025
Action Type Old Value New Value Added Reference https://access.redhat.com/errata/RHSA-2025:4439 -
New CVE Received by [email protected]
Apr. 24, 2025
Action Type Old Value New Value Added 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. Added CVSS V3.1 AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:N Added CWE CWE-497 Added Reference https://access.redhat.com/security/cve/CVE-2025-46421 Added Reference https://bugzilla.redhat.com/show_bug.cgi?id=2361962