RHSA-2026:50827: ruby Red Hat

CVSS: 7.3v3.1HighPublished

Published 27-08-2026Last modified 17-10-2026

Open JSON

Vulnerability summary

RHSA-2026:50827 is a high (CVSS 7.3) vulnerability in ruby Red Hat.

Overall risk

29/100

0100

Medium · default modelHow is this calculated?

CVSS score

7.3/10

010

High · v3.1 (OSV · Red hat), selected by version preference

EPSS score

Not scored

0%100%

No EPSS score yet

KEVNot listedIn no KEV catalog

RansomwareNone recordedNo known use recorded

Public exploits0No public exploits recorded

Advisory lineage

Upstream 6 · Downstream 0

CVE-2026-27820 CVE-2026-42256 CVE-2026-42257 CVE-2026-47240 CVE-2026-47241 CVE-2026-47242

Timeline

27-08-2026
PublishedVulnerability first disclosed.
17-10-2026
Last modifiedVulnerability information updated.

Description

Red Hat Security Advisory: ruby:4.0 security, bug fix, and enhancement update

CVSS metrics

1 score · 1 source · 1 version

v3.17.3

EPSS trend

No EPSS score has been published for this record yet.

Known exploited

Compare KEV catalogs

Not in any of the 3 tracked catalogs.

Public exploits

0 found

No public exploits indexed.

Weaknesses

CWE · root cause

No weakness data has been published for this record.

Affected systems

Redhat42 products

ruby< 0:4.0.6-34.module+el9.8.0+24564+e55418dc
ruby-bundled-gems< 0:4.0.6-34.module+el9.8.0+24564+e55418dc
ruby-bundled-gems-debuginfo< 0:4.0.6-34.module+el9.8.0+24564+e55418dc
ruby-debuginfo< 0:4.0.6-34.module+el9.8.0+24564+e55418dc
ruby-debugsource< 0:4.0.6-34.module+el9.8.0+24564+e55418dc

ruby-default-gems< 0:4.0.6-34.module+el9.8.0+24564+e55418dc
ruby-devel< 0:4.0.6-34.module+el9.8.0+24564+e55418dc
ruby-doc< 0:4.0.6-34.module+el9.8.0+24564+e55418dc
ruby-libs< 0:4.0.6-34.module+el9.8.0+24564+e55418dc
ruby-libs-debuginfo< 0:4.0.6-34.module+el9.8.0+24564+e55418dc
rubygem-bigdecimal< 0:4.0.1-34.module+el9.8.0+24564+e55418dc
rubygem-bigdecimal-debuginfo< 0:4.0.1-34.module+el9.8.0+24564+e55418dc
rubygem-bundler< 0:4.0.16-34.module+el9.8.0+24564+e55418dc
rubygem-io-console< 0:0.8.2-34.module+el9.8.0+24564+e55418dc
rubygem-io-console-debuginfo< 0:0.8.2-34.module+el9.8.0+24564+e55418dc
rubygem-irb< 0:1.16.0-34.module+el9.8.0+24564+e55418dc
rubygem-json< 0:2.18.0-34.module+el9.8.0+24564+e55418dc
rubygem-json-debuginfo< 0:2.18.0-34.module+el9.8.0+24564+e55418dc
rubygem-minitest< 0:6.0.0-34.module+el9.8.0+24564+e55418dc
rubygem-mysql2< 0:0.5.7-1.module+el9.8.0+24428+77f1d00a
rubygem-mysql2-debuginfo< 0:0.5.7-1.module+el9.8.0+24428+77f1d00a
rubygem-mysql2-debugsource< 0:0.5.7-1.module+el9.8.0+24428+77f1d00a
rubygem-mysql2-doc< 0:0.5.7-1.module+el9.8.0+24428+77f1d00a
rubygem-pg< 0:1.6.3-1.module+el9.8.0+24428+77f1d00a
rubygem-pg-debuginfo< 0:1.6.3-1.module+el9.8.0+24428+77f1d00a
rubygem-pg-debugsource< 0:1.6.3-1.module+el9.8.0+24428+77f1d00a
rubygem-pg-doc< 0:1.6.3-1.module+el9.8.0+24428+77f1d00a
rubygem-power_assert< 0:3.0.1-34.module+el9.8.0+24564+e55418dc
rubygem-psych< 0:5.3.1-34.module+el9.8.0+24564+e55418dc
rubygem-psych-debuginfo< 0:5.3.1-34.module+el9.8.0+24564+e55418dc
rubygem-racc< 0:1.8.1-34.module+el9.8.0+24564+e55418dc
rubygem-racc-debuginfo< 0:1.8.1-34.module+el9.8.0+24564+e55418dc
rubygem-rake< 0:13.3.1-34.module+el9.8.0+24564+e55418dc
rubygem-rbs< 0:3.10.0-34.module+el9.8.0+24564+e55418dc
rubygem-rbs-debuginfo< 0:3.10.0-34.module+el9.8.0+24564+e55418dc
rubygem-rdoc< 0:7.0.4-34.module+el9.8.0+24564+e55418dc
rubygem-rexml< 0:3.4.4-34.module+el9.8.0+24564+e55418dc
rubygem-rss< 0:0.3.2-34.module+el9.8.0+24564+e55418dc
rubygem-test-unit< 0:3.7.5-34.module+el9.8.0+24564+e55418dc
rubygem-typeprof< 0:0.31.1-34.module+el9.8.0+24564+e55418dc
rubygems< 0:4.0.16-34.module+el9.8.0+24564+e55418dc
rubygems-devel< 0:4.0.16-34.module+el9.8.0+24564+e55418dc