8.5

CVE-2026-109358: Edgeless Systems Contrast 1.8.0 before 1.24.1 World-Writable Containerd Config Privilege Escalation

Deferred
Published 12-10-2026Last modified 13-10-2026

Vulnerability summary

CVE-2026-109358 is a high (CVSS 8.5) vulnerability in edgelesssys contrast. EPSS estimates a 0.11% chance of exploitation in the next 30 days, higher than 1.1% of scored vulnerabilities.

Overall risk
34/100
0100
Medium · default modelHow is this calculated?
CVSS score
8.5/10
010
High · v4.0 (NVD)
EPSS score
0.11%
0%100%
Low · Change unavailable
KEVNot listedNot listed by any tracked catalog.
RansomwareNot flaggedNo ransomware use recorded.
Public exploits0No public exploits recorded

Timeline

  1. 12-10-2026
    PublishedVulnerability first disclosed.
  2. 13-10-2026
    Last modifiedVulnerability information updated.

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.

CVSS metrics

4 scores · 2 sources · 2 versions

EPSS trend

Probability

0.11%

Chance of exploitation in the next 30 days

Percentile

1%

Versus all other CVEs

30-day change

Change unavailable

Change unavailable

13-10-202622-10-2026

Known exploited

Compare KEV catalogs
CISA KEV

Not in the CISA KEV catalog.

ENISA CNW

Not in the ENISA CNW catalog.

CIRCL

Not in the CIRCL catalog.

Public exploits

0 found

No public exploits indexed.

Weaknesses

CWE · root cause

Affected systems

Edgelesssys1 product

1 vendor · 1 product

References

2 links