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CVE-2026-107935— Gvisor-tap-vsock: gvisor-tap-vsock: unathenticated arbitrary file deletion on the host via /expose

Quick assessment

Affected
Red Hat Red Hat Build of Podman Desktop
Exploitation
No confirmed in-the-wild exploitation; assess based on exposure
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

在 gvproxy 中发现了一个路径遍历漏洞，gvproxy 是 gvisor-tap-vsock 包提供的网络转发器。未经身份验证的 /services/forwarder/expose 端点没有对用户提供的套接字路径进行验证，从而允许攻击者删除主机系统上的任意文件。

CVSS 9.3 · Critical

Possible ATT&CK Techniques 1 AI

T1068 · Exploitation for Privilege Escalation
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I. Basic Information for CVE-2026-107935

Vulnerability Information
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Vulnerability Title
Gvisor-tap-vsock: gvisor-tap-vsock: unathenticated arbitrary file deletion on the host via /expose
Source: CVE Program / CVE List V5
Vulnerability Description
A path traversal vulnerability was found in gvproxy, the network forwarder provided by the gvisor-tap-vsock package. The unauthenticated /services/forwarder/expose endpoint does not validate the caller-supplied socket path, allowing an attacker to delete arbitrary files on the host system.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:C/C:N/I:H/A:H
Source: CVE Program / CVE List V5
Vulnerability Type
对路径名的限制不恰当(路径遍历)
Source: CVE Program / CVE List V5

Affected Products

Vendor Product Affected Versions CPE Subscribe
Red Hat Red Hat Build of Podman Desktop - cpe:/a:redhat:podman_desktop:1
Red Hat Red Hat Certification Program for Red Hat Enterprise Linux 9 - cpe:/a:redhat:certifications:9
Red Hat Red Hat Edge Manager 1 - cpe:/a:redhat:edge_manager:1
Red Hat Red Hat Enterprise Linux 10 - cpe:/o:redhat:enterprise_linux:10
Red Hat Red Hat Enterprise Linux 10 - cpe:/o:redhat:enterprise_linux:10
Red Hat Red Hat Enterprise Linux 10 - cpe:/o:redhat:enterprise_linux:10
Red Hat Red Hat Enterprise Linux 10 - cpe:/o:redhat:enterprise_linux:10
Red Hat Red Hat Enterprise Linux 10 - cpe:/o:redhat:enterprise_linux:10
Red Hat Red Hat Enterprise Linux 10 - cpe:/o:redhat:enterprise_linux:10
Red Hat Red Hat Enterprise Linux 10 - cpe:/o:redhat:enterprise_linux:10
Red Hat Red Hat Enterprise Linux 8 - cpe:/o:redhat:enterprise_linux:8
Red Hat Red Hat Enterprise Linux 9 - cpe:/o:redhat:enterprise_linux:9
Red Hat Red Hat Enterprise Linux 9 - cpe:/o:redhat:enterprise_linux:9
Red Hat Red Hat Hardened Images - cpe:/a:redhat:hummingbird:1
Red Hat Red Hat OpenShift Container Platform 4 - cpe:/a:redhat:openshift:4
Red Hat Red Hat OpenShift Container Platform 4 - cpe:/a:redhat:openshift:4
Red Hat Red Hat OpenShift Dev Spaces - cpe:/a:redhat:openshift_devspaces:3
Red Hat Red Hat OpenStack Platform 18.0 - cpe:/a:redhat:openstack:18.0

II. Public POCs for CVE-2026-107935

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III. Intelligence Information for CVE-2026-107935

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Other References for CVE-2026-107935 (4)

Same Patch Batch · Red Hat · 2026-10-09 · 3 CVEs total

CVE-2026-107889 5.5 MEDIUM Keycloak-services: keycloak-services: stored xss on login page via kcsanitize bypass
CVE-2026-107655 4.0 MEDIUM Cups: null pointer dereference via embedded job ticket comments allows remote denial of se

IV. Related Vulnerabilities

Same vendor: Red Hat
Same weakness: CWE-22

V. Comments for CVE-2026-107935

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