CVE-2026-55655
CVSS 6.1 · OrtaNVD: Modified
Açıklama (NVD)
A flaw was found in OpenSSH. A local unprivileged attacker on a Linux client host can hijack client-side X11 forwarding connections. This is possible by pre-binding the preferred abstract X socket name when X11 forwarding is enabled and a local UNIX-domain X socket is used. A successful attack can compromise the confidentiality of forwarded X11 traffic, including sensitive window contents and input, and may allow some manipulation of the forwarded session.
Yayın: 23.06.2026 · Son değişiklik: 12.11.2026 · Zayıflık: CWE-923
CVSS 3.1 metrikleri
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:L/A:N
| Saldırı vektörü | Yerel |
| Karmaşıklık | Düşük |
| Gereken yetki | Yok |
| Kullanıcı etkileşimi | Gerekli |
| Kapsam | Değişmez |
| Gizlilik | Yüksek |
| Bütünlük | Düşük |
| Erişilebilirlik | Yok |
Hesaplanan temel puan: 6.1. CVSS hesaplayıcıda incele
Referanslar
- https://access.redhat.com/errata/RHSA-2026:36759
- https://access.redhat.com/errata/RHSA-2026:47755
- https://access.redhat.com/errata/RHSA-2026:47756
- https://access.redhat.com/errata/RHSA-2026:47757
- https://access.redhat.com/errata/RHSA-2026:54387
- https://access.redhat.com/errata/RHSA-2026:58981
- https://access.redhat.com/errata/RHSA-2026:76748
- https://access.redhat.com/errata/RHSA-2026:76993
- https://access.redhat.com/errata/RHSA-2026:80513
- https://access.redhat.com/errata/RHSA-2026:82749
- https://access.redhat.com/errata/RHSA-2026:82750
- https://access.redhat.com/errata/RHSA-2026:82751
- https://access.redhat.com/errata/RHSA-2026:82752
- https://access.redhat.com/errata/RHSA-2026:82753
- https://access.redhat.com/errata/RHSA-2026:82754
- https://access.redhat.com/errata/RHSA-2026:82755
- https://access.redhat.com/errata/RHSA-2026:82756
- https://access.redhat.com/errata/RHSA-2026:82757
- https://access.redhat.com/errata/RHSA-2026:82758
- https://access.redhat.com/errata/RHSA-2026:82759
- https://access.redhat.com/errata/RHSA-2026:82761
- https://access.redhat.com/errata/RHSA-2026:82762
- https://access.redhat.com/errata/RHSA-2026:82763
- https://access.redhat.com/errata/RHSA-2026:82897
- https://access.redhat.com/errata/RHSA-2026:82898