Hibernate Validator EL Injection DoS (CVE-2026-93879)
CVE-2026-93879 Published on November 8, 2026

Hibernate Validator is affected by an expression language injection vulnerability
Hibernate Validator could allow a remote attacker to cause a denial of service due to uncontrolled resource consumption resulting from improper escaping of user-controlled data in Expression Language (EL) expressions.

Vendor Advisory NVD

Vulnerability Analysis

CVE-2026-93879 can be exploited with network access, and does not require authorization privileges or user interaction. This vulnerability is considered to have a low attack complexity. The potential impact of an exploit of this vulnerability is considered to have no impact on confidentiality and integrity, and a high impact on availability.

Attack Vector:
NETWORK
Attack Complexity:
LOW
Privileges Required:
NONE
User Interaction:
NONE
Scope:
UNCHANGED
Confidentiality Impact:
NONE
Integrity Impact:
NONE
Availability Impact:
HIGH

Weakness Type

What is a Resource Exhaustion Vulnerability?

The software does not properly control the allocation and maintenance of a limited resource, thereby enabling an actor to influence the amount of resources consumed, eventually leading to the exhaustion of available resources.

CVE-2026-93879 has been classified to as a Resource Exhaustion vulnerability or weakness.


Products Associated with CVE-2026-93879

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IBM Hibernate Validator

Affected Versions

IBM Hibernate Validator: