CVE-2026-0636
LDAP Injection Vulnerability in LDAPStoreHelper.java
Description
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 1.84.
INFO
Published Date :
April 15, 2026, 10:16 a.m.
Last Modified :
April 17, 2026, 3:38 p.m.
Remotely Exploit :
Yes !
Source :
91579145-5d7b-4cc5-b925-a0262ff19630
CVSS Scores
| Score | Version | Severity | Vector | Exploitability Score | Impact Score | Source |
|---|---|---|---|---|---|---|
| CVSS 4.0 | CRITICAL | 91579145-5d7b-4cc5-b925-a0262ff19630 | ||||
| CVSS 4.0 | MEDIUM | 91579145-5d7b-4cc5-b925-a0262ff19630 |
Solution
- Update BC-JAVA library to version 1.84 or later.
- Review and sanitize all LDAP query inputs.
- Implement proper input validation for LDAP queries.
References to Advisories, Solutions, and Tools
Here, you will find a curated list of external links that provide in-depth
information, practical solutions, and valuable tools related to
CVE-2026-0636.
| URL | Resource |
|---|---|
| https://github.com/bcgit/bc-java/commit/d20cdb8430e09224114fec0179a71859929fcbde | |
| https://github.com/bcgit/bc-java/wiki/CVE%E2%80%902026%E2%80%900636 |
CWE - Common Weakness Enumeration
While CVE identifies
specific instances of vulnerabilities, CWE categorizes the common flaws or
weaknesses that can lead to vulnerabilities. CVE-2026-0636 is
associated with the following CWEs:
Common Attack Pattern Enumeration and Classification (CAPEC)
Common Attack Pattern Enumeration and Classification
(CAPEC)
stores attack patterns, which are descriptions of the common attributes and
approaches employed by adversaries to exploit the CVE-2026-0636
weaknesses.
We scan GitHub repositories to detect new proof-of-concept exploits. Following list is a collection of public exploits and proof-of-concepts, which have been published on GitHub (sorted by the most recently updated).
Results are limited to the first 15 repositories due to potential performance issues.
The following list is the news that have been mention
CVE-2026-0636 vulnerability anywhere in the article.
The following table lists the changes that have been made to the
CVE-2026-0636 vulnerability over time.
Vulnerability history details can be useful for understanding the evolution of a vulnerability, and for identifying the most recent changes that may impact the vulnerability's severity, exploitability, or other characteristics.
-
New CVE Received by 91579145-5d7b-4cc5-b925-a0262ff19630
Apr. 15, 2026
Action Type Old Value New Value Added Description 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 1.84. Added CVSS V4.0 AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N/E:P/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:N/AU:Y/R:A/V:X/RE:M/U:Amber Added CWE CWE-90 Added Reference https://github.com/bcgit/bc-java/commit/d20cdb8430e09224114fec0179a71859929fcbde Added Reference https://github.com/bcgit/bc-java/wiki/CVE%E2%80%902026%E2%80%900636