LDAP Injection in Bouncy Castle bcprov 1.741.84 (LDAPStoreHelper)
CVE-2026-0636 Published on April 15, 2026
LDAP Injection Vulnerability in LDAPStoreHelper.java
Improper neutralization of special elements used in an LDAP query ('LDAP injection') vulnerability in Legion of the Bouncy Castle Inc. BC-JAVA bcprov on all (prov modules).
This vulnerability is associated with program files LDAPStoreHelper.
This issue affects BC-JAVA: from 1.74 before 1.80.2, from 1.81 before 1.81.1, from 1.82 before 1.84.
Vulnerability Analysis
CVE-2026-0636 is exploitable 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 a small impact on confidentiality and integrity, and no impact on availability.
Weakness Type
What is a LDAP Injection Vulnerability?
The software 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.
CVE-2026-0636 has been classified to as a LDAP Injection vulnerability or weakness.
Products Associated with CVE-2026-0636
You can be notified by email with stack.watch whenever vulnerabilities like CVE-2026-0636 are published in these products:
Affected Versions
Legion of the Bouncy Castle Inc. BC-JAVA:- Version 1.74 and below 1.80.2 is affected.
- Version 1.81 and below 1.81.1 is affected.
- Version 1.82 and below 1.84 is affected.
- Version debug-jdk15on and below * is unaffected.
- Version 0:2.16.0-22.redhat_00057.1.el7eap and below * is unaffected.
- Version 0:2.3.14-11.SP11_redhat_00001.1.el7eap and below * is unaffected.
- Version 0:1.5.26-2.Final_redhat_00001.1.el7eap and below * is unaffected.
- Version 0:2.18.8-1.redhat_00003.1.el7eap and below * is unaffected.
- Version 0:2.18.8-1.redhat_00003.1.el7eap and below * is unaffected.
- Version 0:2.18.8-1.redhat_00003.1.el7eap and below * is unaffected.
- Version 0:2.18.8-1.redhat_00003.1.el7eap and below * is unaffected.
- Version 0:2.18.8-1.redhat_00003.1.el7eap and below * is unaffected.
- Version 0:2.18.8-1.redhat_00003.1.el7eap and below * is unaffected.
- Version 0:5.0.31-3.SP2_redhat_00001.1.el7eap and below * is unaffected.
- Version 0:1.10.0-46.Final_redhat_00044.1.el7eap and below * is unaffected.
- Version 0:4.1.135-1.Final_redhat_00001.1.el7eap and below * is unaffected.
- Version 0:4.1.135-1.Final_redhat_00001.1.el7eap and below * is unaffected.
- Version 0:2.5.5-30.SP12_redhat_00020.1.el7eap and below * is unaffected.
- Version 0:2.5.5-24.SP12_redhat_00016.1.el7eap and below * is unaffected.
- Version 0:2.2.40-2.SP3_redhat_00001.1.el7eap and below * is unaffected.
- Version 0:7.4.25-2.GA_redhat_00001.1.el7eap and below * is unaffected.
- Version 0:2.16.0-22.redhat_00057.1.el8eap and below * is unaffected.
- Version 0:2.3.14-11.SP11_redhat_00001.1.el8eap and below * is unaffected.
- Version 0:1.5.26-2.Final_redhat_00001.1.el8eap and below * is unaffected.
- Version 0:2.18.8-1.redhat_00003.1.el8eap and below * is unaffected.
- Version 0:2.18.8-1.redhat_00003.1.el8eap and below * is unaffected.
- Version 0:2.18.8-1.redhat_00003.1.el8eap and below * is unaffected.
- Version 0:2.18.8-1.redhat_00003.1.el8eap and below * is unaffected.
- Version 0:2.18.8-1.redhat_00003.1.el8eap and below * is unaffected.
- Version 0:2.18.8-1.redhat_00003.1.el8eap and below * is unaffected.
- Version 0:5.0.31-3.SP2_redhat_00001.1.el8eap and below * is unaffected.
- Version 0:1.10.0-46.Final_redhat_00044.1.el8eap and below * is unaffected.
- Version 0:4.1.135-1.Final_redhat_00001.1.el8eap and below * is unaffected.
- Version 0:4.1.135-1.Final_redhat_00001.1.el8eap and below * is unaffected.
- Version 0:2.5.5-30.SP12_redhat_00020.1.el8eap and below * is unaffected.
- Version 0:2.5.5-24.SP12_redhat_00016.1.el8eap and below * is unaffected.
- Version 0:2.2.40-1.SP3_redhat_00001.1.el8eap and below * is unaffected.
- Version 0:7.4.25-2.GA_redhat_00001.1.el8eap and below * is unaffected.
- Version 0:2.16.0-22.redhat_00057.1.el9eap and below * is unaffected.
- Version 0:2.3.14-11.SP11_redhat_00001.1.el9eap and below * is unaffected.
- Version 0:1.5.26-2.Final_redhat_00001.1.el9eap and below * is unaffected.
- Version 0:2.18.8-1.redhat_00003.1.el9eap and below * is unaffected.
- Version 0:2.18.8-1.redhat_00003.1.el9eap and below * is unaffected.
- Version 0:2.18.8-1.redhat_00003.1.el9eap and below * is unaffected.
- Version 0:2.18.8-1.redhat_00003.1.el9eap and below * is unaffected.
- Version 0:2.18.8-1.redhat_00003.1.el9eap and below * is unaffected.
- Version 0:2.18.8-1.redhat_00003.1.el9eap and below * is unaffected.
- Version 0:5.0.31-3.SP2_redhat_00001.1.el9eap and below * is unaffected.
- Version 0:1.10.0-46.Final_redhat_00044.1.el9eap and below * is unaffected.
- Version 0:4.1.135-1.Final_redhat_00001.1.el9eap and below * is unaffected.
- Version 0:4.1.135-1.Final_redhat_00001.1.el9eap and below * is unaffected.
- Version 0:2.5.5-30.SP12_redhat_00020.1.el9eap and below * is unaffected.
- Version 0:2.5.5-24.SP12_redhat_00016.1.el9eap and below * is unaffected.
- Version 0:2.2.40-1.SP3_redhat_00001.1.el9eap and below * is unaffected.
- Version 0:7.4.25-2.GA_redhat_00001.1.el9eap and below * is unaffected.
- Version 1.84.0.redhat-00001 and below * is unaffected.
- Version 0:1.84.0-1.redhat_00001.1.el8eap and below * is unaffected.
- Version 0:1.84.0-1.redhat_00001.1.el9eap and below * is unaffected.
- Version 1786628667 and below * is unaffected.
- Version 1786628681 and below * is unaffected.
- Version 1786533561 and below * is unaffected.
- Version 1786533565 and below * is unaffected.
- Version 1787125166 and below * is unaffected.
- Version 1787124635 and below * is unaffected.
- Version 1787125069 and below * is unaffected.
- Version 1787124632 and below * is unaffected.
- Version 1787124925 and below * is unaffected.
- Version 1787125311 and below * is unaffected.
- Version 1787124779 and below * is unaffected.
- Version 1779528224 and below * is unaffected.
- Version 1779359423 and below * is unaffected.
Exploit Probability
EPSS (Exploit Prediction Scoring System) scores estimate the probability that a vulnerability will be exploited in the wild within the next 30 days. The percentile shows you how this score compares to all other vulnerabilities.