CVE-2025-46421
MEDIUM EPSS 37.7%
Published Apr 24, 20251y ago · Modified Jun 17, 20262w ago
6.8 CVSS 3.1
Published Apr 24, 2025 1y ago
Last Modified Jun 17, 2026 2w ago
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.
CVSS Details
Base Score
Exploitability
Impact
Vector string
CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:N Attack Vector Network
Attack Complexity High
Privileges Required None
User Interaction Required
Scope Unchanged
Confidentiality High
Integrity High
Availability None
Threat Intelligence
EPSS Exploit Probability
37.7% percentile
Exploit & Patch Status
No Known Exploit
No Patch Available
Weaknesses 1
CWE-497
References 13
- access.redhat.com https://access.redhat.com/errata/RHSA-2025:4439
- access.redhat.com https://access.redhat.com/errata/RHSA-2025:4440
- access.redhat.com https://access.redhat.com/errata/RHSA-2025:4508
- access.redhat.com https://access.redhat.com/errata/RHSA-2025:4538
- access.redhat.com https://access.redhat.com/errata/RHSA-2025:4560
- access.redhat.com https://access.redhat.com/errata/RHSA-2025:4568
- access.redhat.com https://access.redhat.com/errata/RHSA-2025:4609
- access.redhat.com https://access.redhat.com/errata/RHSA-2025:4624
- access.redhat.com https://access.redhat.com/errata/RHSA-2025:7436
- access.redhat.com https://access.redhat.com/errata/RHSA-2025:7505
- access.redhat.com https://access.redhat.com/security/cve/CVE-2025-46421
- bugzilla.redhat.com https://bugzilla.redhat.com/show_bug.cgi?id=2361962
- gitlab.gnome.org https://gitlab.gnome.org/GNOME/libsoup/-/issues/439
Remediation
No remediation data recorded yet
Check vendor advisories and the NVD entry for patch availability.