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erb: ERB: Arbitrary code execution via deserialization bypass

🗓️ 26 May 2026 07:42:21Reported by RedHatType 
redhat
 redhat
🔗 access.redhat.com👁 20 Views

ERB vulnerability allows arbitrary code execution by deserializing untrusted data to bypass protections.

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Refs
OSOS VersionArchitecturePackagePackage VersionFilename
Red Hat Enterprise Linux9aarch64ruby0:4.0.3-32.module+el9.8.0+24280+122d8796ruby-0:4.0.3-32.module+el9.8.0+24280+122d8796.aarch64.rpm
Red Hat Enterprise Linux9ppc64leruby0:4.0.3-32.module+el9.8.0+24280+122d8796ruby-0:4.0.3-32.module+el9.8.0+24280+122d8796.ppc64le.rpm
Red Hat Enterprise Linux9s390xruby0:4.0.3-32.module+el9.8.0+24280+122d8796ruby-0:4.0.3-32.module+el9.8.0+24280+122d8796.s390x.rpm
Red Hat Enterprise Linux9x86_64ruby0:4.0.3-32.module+el9.8.0+24280+122d8796ruby-0:4.0.3-32.module+el9.8.0+24280+122d8796.x86_64.rpm
Red Hat Enterprise Linux9anyruby0:4.0.3-32.module+el9.8.0+24280+122d8796.i686ruby-0:4.0.3-32.module+el9.8.0+24280+122d8796.i686.noarch.rpm
Red Hat Enterprise Linux9aarch64ruby-bundled-gems0:4.0.3-32.module+el9.8.0+24280+122d8796ruby-bundled-gems-0:4.0.3-32.module+el9.8.0+24280+122d8796.aarch64.rpm
Red Hat Enterprise Linux9ppc64leruby-bundled-gems0:4.0.3-32.module+el9.8.0+24280+122d8796ruby-bundled-gems-0:4.0.3-32.module+el9.8.0+24280+122d8796.ppc64le.rpm
Red Hat Enterprise Linux9s390xruby-bundled-gems0:4.0.3-32.module+el9.8.0+24280+122d8796ruby-bundled-gems-0:4.0.3-32.module+el9.8.0+24280+122d8796.s390x.rpm
Red Hat Enterprise Linux9x86_64ruby-bundled-gems0:4.0.3-32.module+el9.8.0+24280+122d8796ruby-bundled-gems-0:4.0.3-32.module+el9.8.0+24280+122d8796.x86_64.rpm
Red Hat Enterprise Linux9anyruby-bundled-gems0:4.0.3-32.module+el9.8.0+24280+122d8796.i686ruby-bundled-gems-0:4.0.3-32.module+el9.8.0+24280+122d8796.i686.noarch.rpm
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09 Jul 2026 17:54Current
6.3Medium risk
Vulners AI Score6.3
CVSS 3.18.1
EPSS0.01131
SSVC
20