What’s Vulnerable › Vulnerabilities

CVE-2022-0839: Improper Restriction of XML External Entity Reference in liquibase/liquibase

• Severity: critical (CVSS 9.8 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 3.0% probability of exploitation in the next 30 days
• Public exploit or detection template: yes
• Published: 2022-03-04 · updated 2026-06-17
• Weakness: CWE-611

Description

Improper Restriction of XML External Entity Reference in GitHub repository liquibase/liquibase prior to 4.8.0.

Affected products

• Liquibase: before 4.8.0 — fixed in 4.8.0
• Oracle Sqlcl: 19c

How to fix

Upgrade to a fixed version: Liquibase 4.8.0. Check the vendor advisory for mitigations.

References

• https://github.com/liquibase/liquibase/commit/33d9d925082097fb1a3d2fc8e44423d964cd9381
• https://huntr.dev/bounties/f1ae5779-b406-4594-a8a3-d089c68d6e70
• https://www.oracle.com/security-alerts/cpujul2022.html
• http://seclists.org/fulldisclosure/2025/Apr/14
• https://github.com/liquibase/liquibase/commit/33d9d925082097fb1a3d2fc8e44423d964cd9381
• https://huntr.dev/bounties/f1ae5779-b406-4594-a8a3-d089c68d6e70
• https://www.oracle.com/security-alerts/cpujul2022.html

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