CVE-2025-46421
mediumpriority · track · 0EPSS 0.006 · 48 %ileDEEURUUSEPSS · scored 2026-10-27
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
Technical severity, 0–10. One row per scoring source.
base score 0–10 · higher = more severe · hover a vector to decode
ssvc
A stakeholder decision — act, attend, or track — from exploitation and impact.
weaknesses
The CWE weakness classes this flaw belongs to.
affected products (68)
Products and version ranges known to be affected.
- IBM Power Hardware Management Console V10all versionscert_bundDEcpe:/a:ibm:hardware_management_console:v10
advisories (1)
Vendor and ecosystem advisories describing this.
- WID-SEC-W-2025-0935Red Hat Enterprise Linux (libsoup): Mehrere SchwachstellenDeutsch2025-05-04csaf · cert_bundDE
Ein entfernter, anonymer Angreifer kann mehrere Schwachstellen in Red Hat Enterprise Linux ausnutzen, um Sicherheitsvorkehrungen zu umgehen, einen Denial-of-Service auszulösen, Dateien zu manipulieren oder Informationen offenzulegen.
also known as (4)
Other names and identifiers for this entity.
sources
Which sources assert this record, and when.
references (31)
External citations — patches, advisories, analysis.
- https://access.redhat.com/security/cve/CVE-2025-46421cnnvd
- https://access.redhat.com/security/cve/cve-2025-46421cnnvd
- https://bugzilla.redhat.com/show_bug.cgi?id=2361962cnnvd
- https://vigilance.fr/vulnerability/libsoup-information-disclosure-via-HTTP-Redirect-Authorization-Header-47029cnnvd
- https://wiki.gnome.org/Projects/libsoupPatchcnnvd
- https://access.redhat.com/errata/RHSA-2025:4439enisa_euvd
- https://access.redhat.com/errata/RHSA-2025:4440enisa_euvd
- https://access.redhat.com/errata/RHSA-2025:4508enisa_euvd
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