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GHSA-mpwp-4h2m-765c

Active Job - Object injection security vulnerability

6.6 MediumFix available

Active Job vulnerability: An Active Job bug allowed String arguments to be deserialized as if they were Global IDs, an object injection security vulnerability.

Attack profile

How easy it is to exploit

Attack vector
Network
Complexity
Low
Privileges needed
None
User interaction
None

What an attacker can affect

Confidentiality
None
Integrity
High
Availability
None

What each source reports

GitHub Advisories Score used 6.6

Active Job - Object injection security vulnerability

Active Job vulnerability: An Active Job bug allowed String arguments to be deserialized as if they were Global IDs, an object injection security vulnerability.

Record
GHSA-mpwp-4h2m-765c
CVSS 4.0
6.6 MediumCVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:H/VA:N/SC:N/SI:N/SA:N/E:U
Weakness
CWE-74
Updated
2026-11-02
OSV 6.6

Active Job - Object injection security vulnerability

Active Job vulnerability: An Active Job bug allowed String arguments to be deserialized as if they were Global IDs, an object injection security vulnerability.

Record
GHSA-mpwp-4h2m-765c
CVSS 4.0
6.6 MediumCVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:H/VA:N/SC:N/SI:N/SA:N/E:U
Weakness
CWE-74
Updated
2026-11-02

Affected packages

Affected packages
PackageAffectedFixed
activejob
RubyGems
before 4.2.0.beta2
4.2.0.beta2
activejob
RubyGems
before 4.2.0.beta2, plus listed versions
4.2.0.beta1
4.2.0.beta2

History

History
RecordedChangedSources
first indexedGitHub Advisories, OSV

Dates are when Every CVE recorded each change. Upstream dates may differ.

In short

GHSA-mpwp-4h2m-765c is a medium vulnerability (CVSS 6.6) in activejob, published January 16, 2026. No source lists public exploit code. Fixed in activejob 4.2.0.beta2.

References

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