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ruby: WEBrick CGI source disclosure

🗓️ 09 Apr 2026 12:37:08Reported by RedHatType 
redhat
 redhat🔗 access.redhat.com👁 15 Views

WeBrick CGI source disclosure lets remote attackers read CGI files via crafted URI on vulnerable Ruby versions.

Related
Packages
Refs
ReporterTitlePublishedViews
Family
nessus
Tenable Nessus		Rocky Linux 9.2 [CIQ] Security Update: ruby / ruby-debuginfo / ruby-debugsource / ruby-default-gems / etc Multiple Vulnerabilities (ciqsa-2026_0492)
1 Oct 202600:00
–nessus
nessus
Tenable Nessus		Fedora 8 : ruby-1.8.6.230-1.fc8 (2008-5649)
26 Jun 200800:00
–nessus
nessus
Tenable Nessus		Fedora 9 : ruby-1.8.6.230-1.fc9 (2008-5664)
26 Jun 200800:00
–nessus
nessus
Tenable Nessus		Fedora 9 : ruby-1.8.6.230-4.fc9 (2008-6033)
8 Jul 200800:00
–nessus
nessus
Tenable Nessus		Fedora 8 : ruby-1.8.6.230-4.fc8 (2008-6094)
8 Jul 200800:00
–nessus
nessus
Tenable Nessus		Mandriva Linux Security Advisory : ruby (MDVSA-2008:140)
23 Apr 200900:00
–nessus
nessus
Tenable Nessus		Mandriva Linux Security Advisory : ruby (MDVSA-2008:141)
23 Apr 200900:00
–nessus
nessus
Tenable Nessus		NewStart CGSL MAIN 6.06 : ruby Multiple Vulnerabilities (NS-SA-2025-0208)
30 Sep 202500:00
–nessus
nessus
Tenable Nessus		NewStart CGSL MAIN 6.06 (SP) : ruby Multiple Vulnerabilities (NS-SA-2026-0023)
6 Mar 202600:00
–nessus
nessus
Tenable Nessus		Oracle Linux 8 : ruby:2.5 (ELSA-2023-7025)
21 Nov 202300:00
–nessus
Rows per page
OSOS VersionArchitecturePackagePackage VersionFilename
Red Hat Hardened Imagesanyaarch64ruby3.43.4.8-31.1.hum1ruby3.4-3.4.8-31.1.hum1.aarch64.rpm
Red Hat Hardened Imagesanyx86_64ruby3.43.4.8-31.1.hum1ruby3.4-3.4.8-31.1.hum1.x86_64.rpm
Red Hat Hardened Imagesanyaarch64ruby3.4-bundled-gems3.4.8-31.1.hum1ruby3.4-bundled-gems-3.4.8-31.1.hum1.aarch64.rpm
Red Hat Hardened Imagesanyx86_64ruby3.4-bundled-gems3.4.8-31.1.hum1ruby3.4-bundled-gems-3.4.8-31.1.hum1.x86_64.rpm
Red Hat Hardened Imagesanynoarchruby3.4-default-gems3.4.8-31.1.hum1ruby3.4-default-gems-3.4.8-31.1.hum1.noarch.rpm
Red Hat Hardened Imagesanyaarch64ruby3.4-devel3.4.8-31.1.hum1ruby3.4-devel-3.4.8-31.1.hum1.aarch64.rpm
Red Hat Hardened Imagesanyx86_64ruby3.4-devel3.4.8-31.1.hum1ruby3.4-devel-3.4.8-31.1.hum1.x86_64.rpm
Red Hat Hardened Imagesanynoarchruby3.4-doc3.4.8-31.1.hum1ruby3.4-doc-3.4.8-31.1.hum1.noarch.rpm
Red Hat Hardened Imagesanyaarch64ruby3.4-libs3.4.8-31.1.hum1ruby3.4-libs-3.4.8-31.1.hum1.aarch64.rpm
Red Hat Hardened Imagesanyx86_64ruby3.4-libs3.4.8-31.1.hum1ruby3.4-libs-3.4.8-31.1.hum1.x86_64.rpm

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05 Oct 2026 18:26Current
8.4High risk
Vulners AI Score8.4
CVSS 25
EPSS0.02789
webrickcgi filesdirectory traversalremote accessruby versions
15