CVE-2026-5119

highpriority · track · 33OT risk · elevatedEPSS 0.003 · 16 %ileDEEUUS

grimoire priorityP2 · Scheduled

Exploitable?

—

no known exploitation

Likely / severe?

0.25% (16th) EPSS

CVSS 8.2 · high

Is it mine?

30 products

Check your exposure

Who says so?

3 sources

cnnvd · enisa_euvd · cert_bund

EPSS · scored 2026-10-22

A flaw was found in libsoup. When establishing HTTPS tunnels through a configured HTTP proxy, sensitive session cookies are transmitted in cleartext within the initial HTTP CONNECT request. A network-positioned attacker or a malicious HTTP proxy can intercept these cookies, leading to potential session hijacking or user impersonation.

cvss

Technical severity, 0–10. One row per scoring source.

8.2

010

base score 0–10 · higher = more severe · hover a vector to decode⚠ sources disagree · medium–high · 5.9–8.2

v3.18.2highCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:L/A:Nprimary · NVD / NIST USexploitability 3.9 · impact 4.2

v3.15.9mediumCVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:L/A:Nsecondary · ENISA EU

v3.15.9mediumCVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:L/A:Nsecondary · secalert@redhat.com USexploitability 1.6 · impact 4.2

v3.17.5highCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:L/A:N/E:Usecondary · CVSS-BT (t0sche)

ssvc

A stakeholder decision — act, attend, or track — from exploitation and impact.

Trackcoordinatorcisa_ssvcUS

weaknesses

The CWE weakness classes this flaw belongs to.

CWE-319US

affected products (30)

Products and version ranges known to be affected.

Fedora Linuxall versionscert_bundDEcpe:/o:fedoraproject:fedora:-
Oracle Linuxall versionscert_bundDEcpe:/o:oracle:linux:-
RESF Rocky Linuxall versionscert_bundDEcpe:/o:resf:rocky_linux:-
RESF Rocky Linux 10all versionscert_bundDEcpe:/o:resf:rocky_linux:10
Red Hat Enterprise Linuxall versionscert_bundDEcpe:/o:redhat:enterprise_linux:-
Red Hat Enterprise Linux 10.0 Extended Update Supportall versionscert_bundDEcpe:/o:redhat:enterprise_linux:10.0_extended_update_support
Red Hat Enterprise Linux 9all versionscert_bundDEcpe:/o:redhat:enterprise_linux:9
Ubuntu Linuxall versionscert_bundDEcpe:/o:canonical:ubuntu_linux:-
Red Hat Red Hat Enterprise Linux 10< 0:3.6.5-3.el10_1.11enisa_euvdEU
Red Hat Red Hat Enterprise Linux 10< 0:3.6.5-3.el10_2.11enisa_euvdEU
Red Hat Red Hat Enterprise Linux 10.0 Extended Update Support< 0:3.6.5-3.el10_0.15enisa_euvdEU
Red Hat Red Hat Enterprise Linux 7 Extended Lifecycle Support< 0:2.62.2-12.el7_9enisa_euvdEU
Red Hat Red Hat Enterprise Linux 8< 0:2.62.3-14.el8_10enisa_euvdEU
Red Hat Red Hat Enterprise Linux 8.4 Advanced Mission Critical Update Support< 0:2.62.3-2.el8_4.9enisa_euvdEU
Red Hat Red Hat Enterprise Linux 8.4 Extended Update Support Long-Life Add-On< 0:2.62.3-2.el8_4.9enisa_euvdEU
Red Hat Red Hat Enterprise Linux 8.6 Advanced Mission Critical Update Support< 0:2.62.3-2.el8_6.9enisa_euvdEU
Red Hat Red Hat Enterprise Linux 8.6 Extended Update Support Long-Life Add-On< 0:2.62.3-2.el8_6.9enisa_euvdEU
Red Hat Red Hat Enterprise Linux 8.8 Telecommunications Update Service< 0:2.62.3-3.el8_8.9enisa_euvdEU
Red Hat Red Hat Enterprise Linux 8.8 Update Services for SAP Solutions< 0:2.62.3-3.el8_8.9enisa_euvdEU
Red Hat Red Hat Enterprise Linux 9< 0:2.72.0-12.el9_7.6enisa_euvdEU

showing 20 of 30

advisories (2)

Vendor and ecosystem advisories describing this.

WID-SEC-W-2026-1007IBM App Connect Enterprise: Mehrere SchwachstellenDeutsch2026-04-07csaf · cert_bundDE
Ein Angreifer kann mehrere Schwachstellen in IBM App Connect Enterprise ausnutzen, um Sicherheitsvorkehrungen zu umgehen, um einen Denial of Service Angriff durchzuführen, um Informationen offenzulegen, um Dateien zu manipulieren, um einen Cross-Site Scripting Angriff durchzuführen, um einen SQL-Injection Angriff durchzuführen, und um beliebigen Programmcode auszuführen.
WID-SEC-W-2026-1409Red Hat Enterprise Linux (libsoup): Schwachstelle ermöglicht Offenlegung von InformationenDeutsch2026-05-06csaf · cert_bundDE
Ein entfernter, anonymer Angreifer kann eine Schwachstelle in Red Hat Enterprise Linux (libsoup) ausnutzen, um Informationen offenzulegen.

also known as (2)

Other names and identifiers for this entity.

sources

Which sources assert this record, and when.

cnnvd enisa_euvd cert_bund NVD CVE.org MITRE

published 2026-03-30modified 2026-06-17

references (38)

External citations — patches, advisories, analysis.

scry

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