# CVE-2026-0636

## Summary

- **CVE ID:** CVE-2026-0636
- **Severity:** MEDIUM
- **CVSS Score:** 6.5 (CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N/E:P/S:N/AU:Y/R:A/RE:M/U:Amber)
- **CWE:** CWE-90
- **Published:** Apr 15, 2026
- **Last Modified:** Sep 18, 2026

## 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).
LDAP Injection Vulnerability in LDAPStoreHelper.java

This issue affects BC-JAVA: from 1.49 before 1.84.

## Affected Products

- Legion of the Bouncy Castle Inc. — BC-JAVA (1.49)
- Legion of the Bouncy Castle Inc. — BC-JAVA (1.74)
- Legion of the Bouncy Castle Inc. — BC-JAVA (1.81)
- Legion of the Bouncy Castle Inc. — BC-JAVA (1.82)

## References

- [CNA](https://github.com/bcgit/bc-java/wiki/CVE%E2%80%902026%E2%80%900636)
- [CNA](https://github.com/bcgit/bc-java/commit/d20cdb8430e09224114fec0179a71859929fcbde)
- [redhat-SADP](https://access.redhat.com/security/cve/CVE-2026-0636)
- [redhat-SADP](https://bugzilla.redhat.com/show_bug.cgi?id=2458641)
- [redhat-SADP](https://security.access.redhat.com/data/csaf/v2/vex/2026/cve-2026-0636.json)
- [redhat-SADP](https://access.redhat.com/errata/RHSA-2026:18054)
- [redhat-SADP](https://access.redhat.com/errata/RHSA-2026:18055)
- [redhat-SADP](https://access.redhat.com/errata/RHSA-2026:14276)
- [redhat-SADP](https://access.redhat.com/errata/RHSA-2026:14272)
- [redhat-SADP](https://access.redhat.com/errata/RHSA-2026:13631)
- [redhat-SADP](https://access.redhat.com/errata/RHSA-2026:18059)
- [redhat-SADP](https://access.redhat.com/errata/RHSA-2026:21772)
- [redhat-SADP](https://access.redhat.com/errata/RHSA-2026:17668)
- [redhat-SADP](https://access.redhat.com/errata/RHSA-2026:11720)
- [redhat-SADP](https://access.redhat.com/errata/RHSA-2026:11721)
- [redhat-SADP](https://access.redhat.com/errata/RHSA-2026:53644)
- [redhat-SADP](https://access.redhat.com/errata/RHSA-2026:53806)
- [redhat-SADP](https://access.redhat.com/errata/RHSA-2026:60247)
- [redhat-SADP](https://access.redhat.com/errata/RHSA-2026:60239)
- [redhat-SADP](https://access.redhat.com/errata/RHSA-2026:60251)
- [redhat-SADP](https://access.redhat.com/errata/RHSA-2026:60246)
- [redhat-SADP](https://access.redhat.com/errata/RHSA-2026:60250)
- [redhat-SADP](https://access.redhat.com/errata/RHSA-2026:60259)
- [redhat-SADP](https://access.redhat.com/errata/RHSA-2026:60254)
- [redhat-SADP](https://access.redhat.com/errata/RHSA-2026:60249)
- [redhat-SADP](https://access.redhat.com/errata/RHSA-2026:60248)
- [redhat-SADP](https://access.redhat.com/errata/RHSA-2026:60252)
- [redhat-SADP](https://access.redhat.com/errata/RHSA-2026:60256)
- [redhat-SADP](https://access.redhat.com/errata/RHSA-2026:66488)
- [redhat-SADP](https://access.redhat.com/errata/RHSA-2026:53645)
- [redhat-SADP](https://access.redhat.com/errata/RHSA-2026:53646)

## Exploitation Prediction (EPSS)

- **EPSS Score:** 0.53%
- **EPSS Percentile:** 43.4

---
_Exported from OnDuty AI Vulnerability Intelligence on 2026-09-18._