CVE-2026-5119
5.9 MEDIUMA flaw was found in libsoup
Published: 2026-03-30 · Last updated: 2026-06-09
Severity and scoring
- CVSS
- 5.9 MEDIUM
- Vector
- CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:L/A:N
- CWE
- CWE-319
Affected products
| Vendor | Product |
|---|---|
| gnome | enterprise_linux, libsoup |
| redhat | enterprise_linux, libsoup |
Description
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.
Source: NVD
References
- [NVD]https://nvd.nist.gov/vuln/detail/CVE-2026-5119
- [Other]https://access.redhat.com/errata/RHSA-2026:13978
- [Other]https://access.redhat.com/errata/RHSA-2026:14087
- [Other]https://access.redhat.com/errata/RHSA-2026:15968
- [Other]https://access.redhat.com/errata/RHSA-2026:17482
- [Other]https://access.redhat.com/errata/RHSA-2026:19143
- [Other]https://access.redhat.com/errata/RHSA-2026:19356
- [Other]https://access.redhat.com/errata/RHSA-2026:21686
- [Other]https://access.redhat.com/errata/RHSA-2026:22316
- [Other]https://access.redhat.com/errata/RHSA-2026:22317
- [Other]https://access.redhat.com/errata/RHSA-2026:22323
- [Other]https://access.redhat.com/errata/RHSA-2026:22710
- [Other]https://access.redhat.com/errata/RHSA-2026:22716
- [Other]https://access.redhat.com/errata/RHSA-2026:24344
- [Other]https://access.redhat.com/errata/RHSA-2026:24722
- [Vendor advisory]https://access.redhat.com/security/cve/CVE-2026-5119
- [Vendor advisory]https://bugzilla.redhat.com/show_bug.cgi?id=2452932
- [Exploit reference]https://gitlab.gnome.org/GNOME/libsoup/-/issues/502
Related CVEs
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- CVE-2026-50259 — A stack-based buffer overflow flaw was found in the X.Org X server and Xwayland (7.8 HIGH)
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- CVE-2026-50257 — A use-after-free flaw was found in the X.Org X server and Xwayland in miSyncDestroyFence() (7.8 HIGH)
- CVE-2026-50256 — A stack-based buffer overflow flaw was found in the X.Org X server and Xwayland (7.8 HIGH)
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