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CVE-2026-41316 ERB has an @_init deserialization guard bypass via def_module / def_method / def_class

🗓️ 24 Apr 2026 02:35:41Reported by GitHub_MType 
vulnrichment
 vulnrichment🔗 github.com👁 9 Views

CVE-2026-41316: ERB deserialization guard bypass via def_module, def_method, def_class enables code execution.

Related
Affected
Refs
ReporterTitlePublishedViews
Family
ibm
IBM Security Bulletins		Security Bulletin: Multiple vulnerabilities in IBM Aspera Faspex
5 May 202616:50
–ibm
ibm
IBM Security Bulletins		Security Bulletin: Multiple vulnerabilities in IBM Aspera Orchestrator
4 Jun 202622:09
–ibm
ibm
IBM Security Bulletins		Security Bulletin: Multiple vulnerabilities have been addressed in IBM Aspera Shares
12 Jun 202602:27
–ibm
attackerkb
ATTACKERKB		CVE-2026-41316
24 Apr 202602:35
–attackerkb
nessus
Tenable Nessus		Amazon Linux 2023 : ruby3.4, ruby3.4-bundled-gems, ruby3.4-default-gems (ALAS2023-2026-1690)
16 May 202600:00
–nessus
nessus
Tenable Nessus		Amazon Linux 2 : ruby, --advisory ALAS2-2026-3284 (ALAS-2026-3284)
14 May 202600:00
–nessus
nessus
Tenable Nessus		AlmaLinux 9 : ruby:3.3 (ALSA-2026:18030)
19 May 202600:00
–nessus
nessus
Tenable Nessus		AlmaLinux 9 : ruby (ALSA-2026:18039)
19 May 202600:00
–nessus
nessus
Tenable Nessus		AlmaLinux 10 : ruby (ALSA-2026:18065)
19 May 202600:00
–nessus
nessus
Tenable Nessus		AlmaLinux 9 : ruby:4.0 (ALSA-2026:20596)
27 May 202600:00
–nessus
Rows per page
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24 Apr 2026 02:35Current
6Medium risk
Vulners AI Score6
CVSS 3.18.1
EPSS0.01131
SSVC
CWE-693
deserializationmarshal loadcode executiondef_moduledef_methoddef_class
9