CVE-2026-0636

Summary

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.

Affected Software

Weaknesses

• CWE-90: CWE-90 Improper neutralization of special elements used in an LDAP query ('LDAP injection')

ADP Enrichment

CISA ADP Vulnrichment

• SSVC:
• Exploitation: none
  • Automatable: yes
  • Technical Impact: partial

bouncycastle: BC-JAVA: LDAP injection vulnerability in LDAPStoreHelper.java

Additional References

• https://access.redhat.com/security/cve/CVE-2026-0636
• https://bugzilla.redhat.com/show_bug.cgi?id=2458641
• https://security.access.redhat.com/data/csaf/v2/vex/2026/cve-2026-0636.json
• https://access.redhat.com/errata/RHSA-2026:18054
• https://access.redhat.com/errata/RHSA-2026:18055
• https://access.redhat.com/errata/RHSA-2026:14276
• https://access.redhat.com/errata/RHSA-2026:14272
• https://access.redhat.com/errata/RHSA-2026:13631
• https://access.redhat.com/errata/RHSA-2026:18059
• https://access.redhat.com/errata/RHSA-2026:21772
• https://access.redhat.com/errata/RHSA-2026:17668
• https://access.redhat.com/errata/RHSA-2026:11720
• https://access.redhat.com/errata/RHSA-2026:11721

References

• https://github.com/bcgit/bc-java/wiki/CVE%E2%80%902026%E2%80%900636
• https://github.com/bcgit/bc-java/commit/d20cdb8430e09224114fec0179a71859929fcbde

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