CVE-2026-107935
Gvisor-tap-vsock: gvisor-tap-vsock: unathenticated arbitrary file deletion on the host via /expose
At a glance
- Severity
- CRITICAL 9.3
- EPSS
- EPSS 0.24 % · percentile 15 (2026-10-27)
- State
- PUBLISHED
- Published
- Updated
- Assigner
- redhat
- NVD status
- Awaiting Analysis
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.
Scores
| Version | Score | Vector | Scored by |
|---|---|---|---|
| CVSS 3.1 | CRITICAL 9.3 | CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:C/C:N/I:H/A:H | redhat |
| CVSS 3.1 | CRITICAL 9.3 | CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:C/C:N/I:H/A:H | NVD · secalert@redhat.com (Secondary) |
Weaknesses (CWE)
European references
- ENISA EUVD · EUVD-2026-95578
- GCVE · GCVE-0-2026-107935
Affected products
References
- https://access.redhat.com/security/cve/CVE-2026-107935
- https://bugzilla.redhat.com/show_bug.cgi?id=2548382
- https://github.com/containers/gvisor-tap-vsock/pull/718
- https://redhat.atlassian.net/browse/RHDESK-550
Sources
| Source | Licence |
|---|---|
| CVE List (CVEProject cvelistV5) | CVE Program Terms of Use |
| EPSS (FIRST.org) | FIRST — attribution requested |
| ENISA EUVD | ENISA — reproduction authorised, source acknowledged |
| NVD (NIST) via fkie-cad/nvd-json-data-feeds | Public domain — this product uses data from the NVD API but is not endorsed or certified by the NVD |