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TI-2026-71174 Aliases CVE-2026-109358GHSA-vpr9-m7xg-f3fh

Contrast world-writable containerd config allows privilege escalation

Priority LOW 38CWE-732Published · Updated

Key facts

Attack vector
Local
Privileges required
Low
User interaction
None
Attack complexity
Low
Attack requirements
None
Impact type
—
Confidentiality · integrity · availability
High · High · High
Fix status
Fixed

Attack profile from CVSS 4.0 · CNA. Fix status from CNA.

Summary

Edgeless Systems Contrast from 1.8.0 before 1.24.1 has an incorrect permissions flaw where the node installer writes the containerd config world-writable (0666). Local unprivileged users on the node can modify the containerd config, for example by overwriting the runc location, to escalate privileges. The weakness is classified as CWE-732.

Written with Claude Haiku 5.5 from the sources below · 2026-11-06

Description from the CNA

Edgeless Systems Contrast 1.8.0 before 1.24.1 contains an incorrect permissions vulnerability where the node installer writes the containerd config world-writable (0666). Local unprivileged users on the node can modify the containerd config, for example overwriting the runc location, to escalate privileges.

Why it matters now

Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.00107 1st percentileScored 2026-11-07
Fix Fixed contrast (edgelesssys): 1.24.1

SSVC decision points

CISA ADP · SSVC 2.0.3

Exploitation
None
Automatable
No
Technical impact
Total

The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.

Affected products

VendorProductAffected versionsFixed inStatusSource
edgelesssyscontrast1.8.0 to before 1.24.11.24.1Patch availableCNA
  • contrast Vendoredgelesssys Affected 1.8.0 to before 1.24.1 Fixed in 1.24.1 Patch available CNA

Remediation

Update Edgeless Systems Contrast to version 1.24.1 or later.

Written with Claude Haiku 5.5 from the sources below · 2026-11-06

  • Fix · CNA contrast (edgelesssys) Fixed in 1.24.1

Fixed in the same release

Records fixed by the same vendor advisory or release, as the CNA lists them.

  • Release ·

    edgelesssys contrast 1.24.1

    2 records Highest priority Priority LOW 2 LOW

    Other records, highest priority first

    • TI-2026-71175 Contrast Mesh CA Key Cross-Manifest Exposure via Peer RecoveryPriority LOW 36
    Show all 2 records →

Vendor assessments

Red Hat

Red Hat's page for this CVE →

Not affected: 1 product
  • Red Hat

Timeline

  1. 2026-10-12 Threatist record created from CVE-2026-109358
  2. 2026-10-12 Alias added: GHSA-vpr9-m7xg-f3fh
  3. 2026-10-13 Priority changed: MEDIUM → LOW
  4. 2026-10-13 CISA SSVC decision points changed
  5. 2026-11-06 Affected versions changed · Red Hat
  6. 2026-11-06 CVSS score added · Red Hat

References

Advisory 1

  • TI-2026-64974 Edgeless Systems Contrast through 1.20.0 Denial of Service via ciphertextContainer CVSS 4.0MEDIUM 5.3
  • TI-2026-64973 Contrast before 1.16.0 Remote Attestation Relay Attack CVSS 4.0CRITICAL 9.1
  • TI-2026-64976 Contrast before 1.19.1 CopyFile Policy Symlink Subversion CVSS 4.0HIGH 8.6
  • TI-2026-64971 Contrast before 1.23.1 Image Substitution via Policy Generation CVSS 4.0HIGH 8.6
  • TI-2025-43536 Contrast before 1.8.1 Information Disclosure via Logging CVSS 4.0HIGH 8.5
  • TI-2025-43534 Edgelesssys Contrast before 1.12.2 Workload Secrets Information Disclosure CVSS 4.0HIGH 8.5
See all 14 →

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences