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Package details: pkg:gem/activemodel@4.2
purl pkg:gem/activemodel@4.2
Tags Ghost
Next non-vulnerable version 4.2.5.1
Latest non-vulnerable version 5.0.0.beta1.1
Risk 3.1
Vulnerabilities affecting this package (1)
Vulnerability Summary Fixed by
VCID-3yvz-dmrg-bfcf
Aliases:
GHSA-v543-gqhh-6gww
Duplicate Advisory: Moderate severity vulnerability that affects activemodel ## Duplicate advisory This advisory has been withdrawn because it is a duplicate of [GHSA-543v-gj2c-r3ch](https://github.com/advisories/GHSA-543v-gj2c-r3ch). This link is maintained to preserve external references. ## Original Description Active Model in Ruby on Rails 4.1.x before 4.1.14.1, 4.2.x before 4.2.5.1, and 5.x before 5.0.0.beta1.1 supports the use of instance-level writers for class accessors, which allows remote attackers to bypass intended validation steps via crafted parameters.
4.2.5.1
Affected by 0 other vulnerabilities.
Vulnerabilities fixed by this package (0)
Vulnerability Summary Aliases
This package is not known to fix vulnerabilities.

Date Actor Action Vulnerability Source VulnerableCode Version
2026-04-01T15:56:40.715331+00:00 GHSA Importer Affected by VCID-3yvz-dmrg-bfcf https://github.com/advisories/GHSA-v543-gqhh-6gww 38.0.0