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 1.80.2, from 1.81 before 1.81.1, from 1.82 before 1.84.
Published: 2026-04-15
Score: 5.5 Medium
EPSS: < 1% Very Low
KEV: No
Impact: n/a
Action: n/a
AI Analysis

Analysis and contextual insights are available on OpenCVE Cloud.

Remediation

No vendor fix or workaround currently provided.

Additional remediation guidance may be available on OpenCVE Cloud.

Tracking

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Advisories
Source ID Title
Github GHSA Github GHSA GHSA-c3fc-8qff-9hwx Bouncy Castle has an LDAP injection
References
Link Providers
https://access.redhat.com/errata/RHSA-2026:11720 cve-icon
https://access.redhat.com/errata/RHSA-2026:11721 cve-icon
https://access.redhat.com/errata/RHSA-2026:13631 cve-icon
https://access.redhat.com/errata/RHSA-2026:14272 cve-icon
https://access.redhat.com/errata/RHSA-2026:14276 cve-icon
https://access.redhat.com/errata/RHSA-2026:17668 cve-icon
https://access.redhat.com/errata/RHSA-2026:18054 cve-icon
https://access.redhat.com/errata/RHSA-2026:18055 cve-icon
https://access.redhat.com/errata/RHSA-2026:18059 cve-icon
https://access.redhat.com/errata/RHSA-2026:21772 cve-icon
https://access.redhat.com/errata/RHSA-2026:53644 cve-icon
https://access.redhat.com/errata/RHSA-2026:53806 cve-icon
https://access.redhat.com/errata/RHSA-2026:60239 cve-icon
https://access.redhat.com/errata/RHSA-2026:60246 cve-icon
https://access.redhat.com/errata/RHSA-2026:60247 cve-icon
https://access.redhat.com/errata/RHSA-2026:60248 cve-icon
https://access.redhat.com/errata/RHSA-2026:60249 cve-icon
https://access.redhat.com/errata/RHSA-2026:60250 cve-icon
https://access.redhat.com/errata/RHSA-2026:60251 cve-icon
https://access.redhat.com/errata/RHSA-2026:60252 cve-icon
https://access.redhat.com/errata/RHSA-2026:60254 cve-icon
https://access.redhat.com/errata/RHSA-2026:60256 cve-icon
https://access.redhat.com/errata/RHSA-2026:60259 cve-icon
https://access.redhat.com/security/cve/CVE-2026-0636 cve-icon
https://bugzilla.redhat.com/show_bug.cgi?id=2458641 cve-icon
https://github.com/bcgit/bc-java/commit/d20cdb8430e09224114fec0179a71859929fcbde cve-icon cve-icon cve-icon
https://github.com/bcgit/bc-java/wiki/CVE%E2%80%902026%E2%80%900636 cve-icon cve-icon cve-icon
https://nvd.nist.gov/vuln/detail/CVE-2026-0636 cve-icon
https://security.access.redhat.com/data/csaf/v2/vex/2026/cve-2026-0636.json cve-icon
https://www.cve.org/CVERecord?id=CVE-2026-0636 cve-icon
History

Thu, 27 Aug 2026 13:30:00 +0000


Wed, 26 Aug 2026 15:45:00 +0000


Wed, 12 Aug 2026 12:30:00 +0000


Mon, 18 May 2026 23:30:00 +0000

Type Values Removed Values 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. 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.

Wed, 29 Apr 2026 00:15:00 +0000

Type Values Removed Values Added
References
Metrics threat_severity

None

cvssV3_1

{'score': 6.5, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N'}

threat_severity

Important


Wed, 15 Apr 2026 15:15:00 +0000

Type Values Removed Values Added
First Time appeared Bouncycastle
Bouncycastle bc-java
Vendors & Products Bouncycastle
Bouncycastle bc-java

Wed, 15 Apr 2026 14:15:00 +0000

Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'yes', 'Exploitation': 'none', 'Technical Impact': 'partial'}, 'version': '2.0.3'}


Wed, 15 Apr 2026 10:00:00 +0000

Type Values Removed Values 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). LDAP Injection Vulnerability in LDAPStoreHelper.java This issue affects BC-JAVA: from 1.49 before 1.84. 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.
References
Metrics cvssV4_0

{'score': 10, 'vector': 'CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:H/SI:H/SA:H'}

cvssV4_0

{'score': 5.5, 'vector': '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'}


Wed, 15 Apr 2026 09:30:00 +0000

Type Values Removed Values 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). LDAP Injection Vulnerability in LDAPStoreHelper.java This issue affects BC-JAVA: from 1.49 before 1.84.
Title LDAP Injection Vulnerability in LDAPStoreHelper.java
Weaknesses CWE-90
References
Metrics cvssV4_0

{'score': 10, 'vector': 'CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:H/SI:H/SA:H'}


Subscriptions

Bouncycastle Bc-java
cve-icon MITRE

Status: PUBLISHED

Assigner: bcorg

Published:

Updated: 2026-08-27T12:04:40.521Z

Reserved: 2026-01-06T03:18:21.572Z

Link: CVE-2026-0636

cve-icon Vulnrichment

Updated: 2026-08-26T12:05:05.103Z

cve-icon NVD

Status : Awaiting Analysis

Published: 2026-04-15T10:16:38.413

Modified: 2026-08-27T13:16:54.427

Link: CVE-2026-0636

cve-icon Redhat

Severity : Important

Publid Date: 2026-04-15T08:59:12Z

Links: CVE-2026-0636 - Bugzilla

cve-icon OpenCVE Enrichment

Updated: 2026-05-19T01:30:26Z

Weaknesses