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Back to active CVEs
High · CVSS 8.5CVE-2026-109358

Edgeless Systems Contrast 1.8.0 before 1.24.1 World-Writable Containerd Config Privilege EscalationCVE-2026-109358

Answer in brief

CVE-2026-109358 records a High severity (CVSS 8.5) vulnerability in Edgeless Systems Contrast 1.8.0 before 1.24.1 World-Writable Containerd Config Privilege Escalation. The current sources do not mark it as known exploited. The current feed maps edgelesssys/contrast (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 12, 2026Updated Oct 12, 2026Source checked Oct 12, 2026First seen by HOL Oct 12, 2026Material review Oct 12, 2026
Upstream Advisory

Key facts

Risk
High · CVSS 8.5
Exploitation
Not marked as known exploited
Affected software
1 mapped package or product
Fix availability
Available

Why this deserves its current priority

CVSS is 8.5. 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 edgelesssys/contrast (generic). Check affected ranges and fixed versions before updating.

Mapped affected packages and fixed versions
PackageAffected rangeFixed version
edgelesssys/contrastgeneric>=1.8.0 <1.24.11.24.1

Recommended response

  1. 1Check inventory. Check lockfiles and deployed manifests for edgelesssys/contrast.
  2. 2Review the reported fix. Update edgelesssys/contrast to 1.24.1 if you use the affected versions. Test the change in a non-production environment first.

Evidence timeline and material changes

  1. Published upstream

    Oct 12, 2026

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

  2. Source modified

    Oct 12, 2026

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

  3. First seen by HOL

    Oct 12, 2026

Sources and claim methodology

  • GitHub security advisorygithub.com
  • Source referencevulncheck.com
Upstream source description

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.

Quoted source text, attributed separately from HOL analysis.

Related CVEs

  • Incorrect log file permissions in Progress MarkLogic ServerAlso CWE-732
  • WordPress Salevo plugin <= 1.3.0 - Broken Access Control vulnerabilitySame generic ecosystem
  • hex_core decompresses registry and Erlang term API responses without size limitsSame generic ecosystem
  • WordPress Booktics plugin <= 1.0.28 - Broken Access Control vulnerabilitySame generic ecosystem
  • WordPress Quiz And Survey Master plugin <= 11.2.7 - Cross Site Scripting (XSS) vulnerabilitySame generic ecosystem
  • WordPress Broadcast Live Video plugin <= 7.3.6 - Broken Access Control vulnerabilitySame generic ecosystem

Record context

Vulnerability class
Privilege Escalation
EPSS
Not reported
CWE IDs
CWE-732
Source
CVE List V5
Source checked
Oct 12, 2026
References
2 linked sources
Open source record