Libsoup: information disclosure may leads libsoup client sends authorization header to a different host when being redirected by a server
13Vexday Risk Score
No sign of exploitation. No public exploitation artifact known so far.
ssvc Trackcvss 6.8epss 0.5%
exploitation probability
0.5%top 57% of all CVEs
observed exploitation
nono source reports it
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:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:N
Affected products
libsoupRed Hat · Red Hat Enterprise Linux 10Red Hat · Red Hat Enterprise Linux 6Red Hat · Red Hat Enterprise Linux 7Red Hat · Red Hat Enterprise Linux 8Red Hat · Red Hat Enterprise Linux 8.2 Advanced Update SupportRed Hat · Red Hat Enterprise Linux 8.4 Advanced Mission Critical Update SupportRed Hat · Red Hat Enterprise Linux 8.4 Telecommunications Update ServiceRed Hat · Red Hat Enterprise Linux 8.4 Update Services for SAP SolutionsRed Hat · Red Hat Enterprise Linux 8.6 Advanced Mission Critical Update SupportRed Hat · Red Hat Enterprise Linux 8.6 Telecommunications Update ServiceRed Hat · Red Hat Enterprise Linux 8.6 Update Services for SAP SolutionsRed Hat · Red Hat Enterprise Linux 8.8 Extended Update SupportRed Hat · Red Hat Enterprise Linux 9Red Hat · Red Hat Enterprise Linux 9.0 Update Services for SAP SolutionsRed Hat · Red Hat Enterprise Linux 9.2 Extended Update SupportRed Hat · Red Hat Enterprise Linux 9.4 Extended Update SupportReferences
https://access.redhat.com/errata/RHSA-2025:4439https://access.redhat.com/errata/RHSA-2025:4440https://access.redhat.com/errata/RHSA-2025:4508https://access.redhat.com/errata/RHSA-2025:4538https://access.redhat.com/errata/RHSA-2025:4560https://access.redhat.com/errata/RHSA-2025:4568https://access.redhat.com/errata/RHSA-2025:4609https://access.redhat.com/errata/RHSA-2025:4624https://access.redhat.com/errata/RHSA-2025:7436https://access.redhat.com/errata/RHSA-2025:7505https://access.redhat.com/security/cve/CVE-2025-46421https://bugzilla.redhat.com/show_bug.cgi?id=2361962