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Fencer Vulns
critical 9.3

CVE-2026-107935 json

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

published 2026-10-09 31 d ago modified 2026-11-04 4 d ago also EUVD-2026-95578

cvss
9.3
version 3.1, CNA
cisa kev
Not listed
not in CISA's catalog
epss
0.2%
EPSS 0.2% chance of exploitation in 30 days, percentile 15%
public exploits
0
none known

Summary

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.

Patch / fix

  • podman openSUSE Tumbleweed 6.1.4-1.1

opensuse advisories openSUSE-SU-2026:12370-1

  • podman Alpine 3.24 5.8.9-r0

alpine advisories ALPINE-CVE-2026-107935

Alpine secdb © Alpine Linux, from https://secdb.alpinelinux.org via OSV; changed: normalised to fixed package versions per release. CC BY-SA 4.0

Vendor advisories

What the vendors themselves say about their products: affected, fixed or not affected, and what to do.

red hat product security vex CVE-2026-107935 updated cvss 9.3

gvisor-tap-vsock: gvisor-tap-vsock: unathenticated arbitrary file deletion on the host via /expose

  • Red Hat Build of Podman Desktop rh-podman-desktop Red Hat OpenShift Dev Spaces devspaces/udi-base-rhel10
    affected: no fix available
  • Red Hat Certification Program for Red Hat Enterprise Linux 9 rhcertification/redhat-certification-system-ai-10 Red Hat Edge Manager 1 rhem/flightctl-imagebuilder-worker-rhel10 Red Hat Enterprise Linux 8 podman, podman-tests, podman-docker, podman-remote, podman-gvproxy, podman-plugins, +2 more Red Hat Enterprise Linux 9 podman, podman-tests, podman-docker, podman-remote, podman-gvproxy, podman-plugins, +3 more Red Hat Enterprise Linux 10 podman, ubi10/podman, gvisor-tap-vsock, rhel10/rhel-bootc, rhel10-eus/rhel-10.0-bootc, rhel10-eus/rhel-10.2-bootc, +1 more Red Hat Hardened Images podman
    +3 more products
    Red Hat OpenShift Container Platform 4 podman, podman-tests, podman-docker, podman-remote, podman-gvproxy, podman-plugins, +3 more Red Hat OpenShift Container Platform 5 openshift5/microshift-bootc-rhel10 Red Hat OpenStack Platform 18.0 rhoso-operators/prometheus-podman-exporter-rhel9
    under investigation

Red Hat CSAF VEX © Red Hat, Inc., from https://security.access.redhat.com/data/csaf/v2/vex/; changed: reduced to product statuses and remediations. CC BY 4.0 · csaf

CISA SSVC

Exploitation
none
Automatable
no
Technical impact
partial
Assessed
30 d ago

Exploit prediction

0.24% chance of exploitation in the next 30 days, higher than 15% of all scored CVEs (FIRST EPSS, 2026-11-08).

CVSS scores

assigned by version score vector
CNA 3.1 9.3 CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:C/C:N/I:H/A:H

Affected products

  • Red Hat Red Hat Build of Podman Desktop
  • Red Hat Red Hat Certification Program for Red Hat Enterprise Linux 9
  • Red Hat Red Hat Edge Manager 1
  • Red Hat Red Hat Enterprise Linux 10
  • Red Hat Red Hat Enterprise Linux 8
  • Red Hat Red Hat Enterprise Linux 9
  • Red Hat Red Hat Hardened Images
  • Red Hat Red Hat OpenShift Container Platform 4
  • Red Hat Red Hat OpenShift Container Platform 5
  • Red Hat Red Hat OpenShift Dev Spaces
  • Red Hat Red Hat OpenStack Platform 18.0

Classification

Weakness
  • CWE-22 Improper Limitation of a Pathname to a Restricted Directory

References

Sources

Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.