LDAP injection in The Bouncy Castle Crypto Package For Java - CVE-2026-0636

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Main Vulnerability Database Vulnerabilities #VU132261

LDAP injection in The Bouncy Castle Crypto Package For Java - CVE-2026-0636

Published: May 25, 2026


Vulnerability identifier: #VU132261
CSH Severity: Medium
CVSS v4.0: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:L/VA:N/SC:N/SI:N/SA:N/E:U/U:Green
CVE-ID: CVE-2026-0636
CWE-ID: CWE-90
Exploitation vector: Remote access
Exploit availability: No public exploit available
Vendor: Legion of the Bouncy Castle Inc.
Affected software:
The Bouncy Castle Crypto Package For Java

Detailed vulnerability description

The vulnerability allows a remote attacker to manipulate LDAP queries.

The vulnerability exists due to improper neutralization of special elements used in an LDAP query in LDAPStoreHelper when processing user-supplied input for LDAP queries. A remote attacker can supply crafted input to manipulate LDAP queries.

This issue is associated with the prov modules.


How to mitigate CVE-2026-0636

Install security update from vendor's website.

Sources