CVE-2022-36073: RubyGems.org is the Ruby community gem host

Q: How do I fix CVE-2022-36073?

rubygems: upgrade to 2022-08-31. Exact commands for each OS are on this page.

Q: Is CVE-2022-36073 being exploited?

CVE-2022-36073 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.

Q: What does CVE-2022-36073 affect?

CVE-2022-36073 affects rubygems. Severity is high (CVSS 8.3). RubyGems.org is the Ruby community gem host. A bug in password & email change confirmation code allowed an attacker to change their RubyGems.org account's email to an unowned email address. Having access to an account whose email has been c

This month

HIGH 8.3UPGRADE

CVE-2022-36073 is a high-severity flaw (CVSS 8.3) affecting rubygems. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

RubyGems.org is the Ruby community gem host. A bug in password & email change confirmation code allowed an attacker to change their RubyGems.org account's email to an unowned email address. Having access to an account whose email has been changed could enable an attacker to save API keys for that account, and when a legitimate user attempts to create an account with their email (and has to reset password to gain access) and is granted access to o

Why this priority

High severity

A fixed release or distro patch exists.

Risk facts

CVSS score	8.3 (High)
Attack vector	Network (remote)
Attack complexity	Low
Privileges needed	Low
User interaction	None
EPSS exploit chance	1.0% (top 37%)
CISA exploited list	No
Weakness	CWE-287
Published	2022-09-07
Last modified	2026-06-17

Publisher (CNA): GitHub, Inc. · Vendor: rubygems

Last updated 2026-06-17 · Sources: CVE Program, NVD, CISA KEV, EPSS and vendor advisories · How we score

Am I affected?

Timeline

2022-09-07 20:15 UTCPublished CVE record published
2026-06-17 04:52 UTCUpdated Record last modified

rubygems rubygems UPGRADE

Affected: < 2022-08-31

Fixed in: 2022-08-31

Safe to downgrade to: no unaffected older release

1. Check installed version

apt-cache policy rubygems || rpm -q rubygems || rubygems --version

2. UPGRADE to 2022-08-31 (Debian / Ubuntu)

sudo apt update && sudo apt install --only-upgrade rubygems

2. UPGRADE (RHEL / Amazon Linux / Fedora)

sudo dnf upgrade rubygems

Note

Distros often backport fixes without changing the version number. Confirm with the distro advisory or changelog.

Verify at the official source NVD · CVE Program · Report a problem with this page
Scores and fixes here are computed automatically from those and other public sources. Confirm with the vendor advisory before changing production systems.

Quick answers

How do I fix CVE-2022-36073?

rubygems: upgrade to 2022-08-31. Exact commands for each OS are on this page.

Is CVE-2022-36073 being exploited?

CVE-2022-36073 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.

What does CVE-2022-36073 affect?

CVE-2022-36073 affects rubygems. Severity is high (CVSS 8.3). RubyGems.org is the Ruby community gem host. A bug in password & email change confirmation code allowed an attacker to change their RubyGems.org account's email to an unowned email address. Having access to an account whose email has been c

How urgent is CVE-2022-36073?

Priority 45/100. High severity

Software pages

Ruby vulnerabilities

Related CVEs

CVE-2019-8325 HIGH 7.5 UPGRADE MITIGATE An issue was discovered in RubyGems 2.6 and later through 3.0.2
CVE-2019-8324 HIGH 8.8 UPGRADE MITIGATE An issue was discovered in RubyGems 2.6 and later through 3.0.2
CVE-2019-8323 HIGH 7.5 UPGRADE MITIGATE An issue was discovered in RubyGems 2.6 and later through 3.0.2
CVE-2019-8322 HIGH 7.5 UPGRADE MITIGATE An issue was discovered in RubyGems 2.6 and later through 3.0.2
CVE-2019-8321 HIGH 7.5 UPGRADE MITIGATE An issue was discovered in RubyGems 2.6 and later through 3.0.2

References

← Back to latest CVEs