CVE-2026-59652
Received Received - Intake

LDAP Filter Injection in Bouncy Castle for Java

Publication date: 2026-08-03

Last updated on: 2026-08-03

Assigner: bcorg

Description
In Bouncy Castle for Java before 1.85, LDAP filter injection in legacy jdk1.4 LDAPStoreHelper.

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Meta Information

Published
2026-08-03
Last Modified
2026-08-03
Generated
2026-08-03
AI Q&A
2026-08-03
EPSS Evaluated
N/A
NVD
CVE-2026-59652
EUVD
EUVD-2026-52022

Affected Vendors & Products

Showing 1 associated CPE
Vendor Product Version / Range
bouncy_castle bcprov_jdk15on to 1.85 (exc)

Helpful Resources

Exploitability

CWE
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KEV
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CWE ID Description
CWE-90 The product constructs all or part of an LDAP query using externally-influenced input from an upstream component, but it does not neutralize or incorrectly neutralizes special elements that could modify the intended LDAP query when it is sent to a downstream component.

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Executive Summary

This vulnerability involves LDAP filter injection in the legacy jdk1.4 LDAPStoreHelper component of Bouncy Castle for Java before version 1.85. Attackers could potentially manipulate LDAP queries to execute unauthorized actions or access sensitive data.

Detection Guidance

This vulnerability involves LDAP filter injection in Bouncy Castle for Java before version 1.85. To detect it, check the version of Bouncy Castle libraries in use on your system. Commands like 'find / -name "bcprov*.jar" -exec ls -l {} \;' can help locate the library files. Verify if the version is below 1.85.

Impact Analysis

An attacker could exploit this to inject malicious LDAP filters, leading to unauthorized data access, modification, or denial of service. Systems using affected Bouncy Castle versions may be at risk of data breaches or service disruptions.

Compliance Impact

This vulnerability could lead to unauthorized data exposure, violating GDPR's data protection principles or HIPAA's security requirements. Organizations may face compliance violations, fines, or reputational damage if exploited.

Mitigation Strategies

Upgrade Bouncy Castle for Java to version 1.85 or later to address the LDAP filter injection vulnerability in legacy jdk1.4 LDAPStoreHelper.

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