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  4. CVE 2026 107935 gvisor tap vsock gvisor tap vsock unathenticated
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Back to active CVEs
Critical · CVSS 9.3CVE-2026-107935

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

Answer in brief

CVE-2026-107935 records a Critical severity (CVSS 9.3) vulnerability in Gvisor-tap-vsock: gvisor-tap-vsock: unathenticated arbitrary file deletion on the host via /expose. The current sources do not mark it as known exploited. The current feed maps Red Hat/devspaces/udi-base-rhel10 (generic), Red Hat/rh-podman-desktop (generic). Check affected ranges and fixed versions before updating.

Analysis pending evidence review

HOL Guard separates source facts from reviewed analysis. See the methodology.

Published Oct 9, 2026Updated Oct 9, 2026Source checked Oct 9, 2026First seen by HOL Oct 9, 2026Material review Oct 9, 2026
Upstream Advisory

Key facts

Risk
Critical · CVSS 9.3
Exploitation
Not marked as known exploited
Affected software
2 mapped packages or products
Fix availability
Not reported

Why this deserves its current priority

CVSS is 9.3. The current sources do not mark it as known exploited. Treat this as a source-backed prioritization signal, not a statement about your environment.

Analysis status

Analysis pending evidence review

Factual feed record only; HOL analysis is not approved for indexing. Read the methodology.

Affected scope and exposure questions

The current feed maps Red Hat/devspaces/udi-base-rhel10 (generic), Red Hat/rh-podman-desktop (generic). Check affected ranges and fixed versions before updating.

Mapped affected packages and fixed versions
PackageAffected rangeFixed version
Red Hat/devspaces/udi-base-rhel10generic*Not reported
Red Hat/rh-podman-desktopgeneric*Not reported

Recommended response

  1. 1Check inventory. Check lockfiles and deployed manifests for Red Hat/devspaces/udi-base-rhel10, Red Hat/rh-podman-desktop.
  2. 2Review the reported fix. Monitor this advisory for an available fix and review any installs of the affected package.

Evidence timeline and material changes

  1. Published upstream

    Oct 9, 2026

    Evidence: source:cvelist:source_dates:source-dates:record

  2. Source modified

    Oct 9, 2026

    Evidence: source:cvelist:source_dates:source-dates:record

  3. First seen by HOL

    Oct 9, 2026

Sources and claim methodology

  • Source referenceaccess.redhat.com
  • Source referencebugzilla.redhat.com
  • GitHub security advisorygithub.com
  • Source referenceredhat.atlassian.net
Upstream source 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.

Quoted source text, attributed separately from HOL analysis.

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  • Packet CTR reports a full success length after the counter is exhaustedSame generic ecosystem
  • WordPress Traveler theme <= 3.2.9 - SQL Injection vulnerabilitySame generic ecosystem
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Record context

Vulnerability class
Path Traversal
EPSS
Not reported
CWE IDs
CWE-22
Source
CVE List V5
Source checked
Oct 9, 2026
References
4 linked sources
Open source record