Denial of Service Vulnerability in Hibernate Validator by IBM
CVE-2026-93879

7.5HIGH

Key Information:

Vendor

IBM
Status
Hibernate Validator
Vendor
CVE Published:
8 November 2026

What is CVE-2026-93879?

Hibernate Validator is susceptible to a Denial of Service exploit that allows remote attackers to manipulate user-controlled data within Expression Language (EL) expressions. The flaw arises from improper escaping mechanisms, leading to uncontrolled resource consumption that can disable applications effectively. Promptly addressing this vulnerability in affected versions is essential to maintaining system integrity and availability.

Affected Version(s)

Hibernate Validator 5.4.1.Final <= 6.2.5.Final

Hibernate Validator 7.0.0.Alpha1 <= 7.0.5.Final

Hibernate Validator 8.0.0.Alpha1 <= 8.0.5.Final

References

https://www.ibm.com/support/pages/node/7293301
vendor-advisorypatch

CVSS V3.1

Score:
7.5
Severity:
HIGH
Confidentiality:
None
Integrity:
None
Availability:
None
Attack Vector:
Network
Attack Complexity:
Low
Privileges Required:
None
User Interaction:
None
Scope:
Unchanged

Timeline

  • Vulnerability published

  • Vulnerability Reserved

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