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CVE-2026-12547 Libsoup: information disclosure in libsoup via soupauthmanager proxy credential leak on proxy switch

🗓️ 21 Jul 2026 18:35:53Reported by redhatType 
cvelist
 cvelist
🔗 www.cve.org👁 51 Views

Libsoup leaks cached proxy credentials when proxy changes due to unscoped proxy headers.

Related
Affected
Refs
ReporterTitlePublishedViews
Family
attackerkb
attackerkb
CVE-2026-12547
21 Jul 202618:35
–attackerkb
nessus
Tenable Nessus
Amazon Linux 2023 : libsoup3, libsoup3-devel (ALAS2023-2026-3144)
29 Sep 202600:00
–nessus
nessus
Tenable Nessus
SUSE SLES15 Security Update : libsoup (SUSE-SU-2026:4557-1)
8 Oct 202600:00
–nessus
nessus
Tenable Nessus
SUSE SLED15 / SLES15 Security Update : libsoup (SUSE-SU-2026:4558-1)
8 Oct 202600:00
–nessus
nessus
Tenable Nessus
Linux Distros Unpatched Vulnerability : CVE-2026-12547
25 Jul 202600:00
–nessus
amazon
Amazon
Medium: libsoup
12 Oct 202600:00
–amazon
amazon
Amazon
Important: libsoup3
29 Sep 202600:00
–amazon
amazon
Amazon
Medium: libsoup
12 Oct 202600:00
–amazon
cve
CVE
CVE-2026-12547
21 Jul 202618:35
–cve
debiancve
Debian CVE
CVE-2026-12547
21 Jul 202618:35
–debiancve
Rows per page
[
  {
    "vendor": "Red Hat",
    "product": "Red Hat Enterprise Linux 10",
    "collectionURL": "https://access.redhat.com/downloads/content/package-browser/",
    "packageName": "libsoup3",
    "defaultStatus": "affected",
    "cpes": [
      "cpe:/o:redhat:enterprise_linux:10"
    ]
  }
]

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