CVE-2026-100833 Contrast - Broken Access Control

Contrast (edgelesssys/contrast) < 1.23.1 contains a broken access control vulnerability caused by an improper allow_storage rule in runtime policies, letting attackers with Kata agent API access substitute container images, exploit requires attacker access to Kata agent API.

CVSS base score 9.6 /10
Critical
CISA KEV
Not listed
Public exploit
Proof of concept available
Authentication
Required
EPSS
0.23% chance of exploitation in 30 days
View the NVD record ↗

Details

Type
Broken Access Control
Impact
Broken Access Control, Remote Code Execution
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:N
Published
27 September 2026
Updated
15 October 2026
Weakness
CWE-20

Vendor fix

Upgrade to version 1.23.1 or later.

Patching closes this CVE. It does not tell you which of your systems run the affected version, or what else is exposed alongside them.

References

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