CVE-2026-1539

MEDIUM

5.8

Description

A flaw was found in the libsoup HTTP library that can cause proxy authentication credentials to be sent to unintended destinations. When handling HTTP redirects, libsoup removes the Authorization header but does not remove the Proxy-Authorization header if the request is redirected to a different host. As a result, sensitive proxy credentials may be leaked to third-party servers. Applications using libsoup for HTTP communication may unintentionally expose proxy authentication data.

Details CVE

Score CVSS v3.15.8

SeveriteMEDIUM

Vecteur CVSSCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:L/I:N/A:N

Vecteur d'attaqueNETWORK

ComplexiteLOW

Privileges requisNONE

Interaction utilisateurNONE

Publie1/28/2026

Derniere modification3/25/2026

Sourcenvd

Observations honeypot0

Produits affectes

gnome:libsoupredhat:enterprise_linux

Faiblesses (CWE)

CWE-201

References

https://access.redhat.com/security/cve/CVE-2026-1539(secalert@redhat.com)

https://gitlab.gnome.org/GNOME/libsoup/-/issues/489(secalert@redhat.com)

Correlations IOC

Aucune correlation enregistree

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