Improperly Controlled Modification of Dynamically-Determined Object Attributes Affecting cockpit-image-builder package, versions *


Severity

Recommended
0.0
low
0
10

Based on CentOS security rating.

Threat Intelligence

EPSS
0.68% (51st percentile)

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  • Snyk IDSNYK-CENTOS10-COCKPITIMAGEBUILDER-19651325
  • published9 Sept 2026
  • disclosed3 Sept 2026

Introduced: 3 Sep 2026

CVE-2026-63376  (opens in a new tab)
CWE-915  (opens in a new tab)

How to fix?

There is no fixed version for Centos:10 cockpit-image-builder.

NVD Description

Note: Versions mentioned in the description apply only to the upstream cockpit-image-builder package and not the cockpit-image-builder package as distributed by Centos. See How to fix? for Centos:10 relevant fixed versions and status.

toml-node is a TOML parser for Node.js and the browser. Prior to 4.1.2, toml.parse() in lib/compiler.js can be tricked by a table path such as a.b.y.proto.proto, allowing traversal from a scalar value into Number.prototype and Object.prototype. The currentPath tracking value uses both arrays and strings, so valueAssignments records a comma-joined path such as a,b.y while deepRef checks the dot-joined path a.b.y, allowing the duplicate-key guard to miss and attacker-controlled keys to be written to Object.prototype. A table-array prefix-clearing path in addTableArray can also erase guard state before the same proto traversal. Injected properties become visible throughout the Node.js process and can cause denial of service, logic or authorization bypass, or code execution when an application contains a suitable gadget. This issue is fixed in version 4.1.2.

CVSS Base Scores

version 3.1