CVE-2026-0636
Vulnerability Summary
Timeline
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.
CVSS Metrics
- v4.0•MEDIUM•Score: 5.5CVSS: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
- v4.0•MEDIUM•Score: 5.5CVSS: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/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
- v4.0•MEDIUM•Score: 6.9CVSS: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/RE:M/U:Amber
- v3.1•MEDIUM•Score: 6.5CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N
EPSS Trends
Current EPSS score: 0.53%• Percentile: 44%
Techniques & Countermeasures
- CWE-90•Improper Neutralization of Special Elements used in an LDAP Query ('LDAP Injection')
The product constructs all or part of an LDAP query using externally-influenced input from an upstream component, but it does not neutralize or incorrectly neutralizes special elements that could modify the intended LDAP query when it is sent to a downstream component.
Affected Systems
- chainguard•apache-hop
< 2.17.0-r9
- chainguard•apache-nifi
< 2.9.0-r0 | < 2.9.0-r3
- chainguard•apache-nifi-registry
< 2.9.0-r3
- chainguard•apache-nifi-registry-toolkit
< 2.9.0-r3
- chainguard•apache-pulsar-4.0
< 4.0.10-r0
- chainguard•apache-pulsar-4.1
all
- chainguard•apache-pulsar-4.2
< 4.2.1-r0
- chainguard•camunda-8.8
< 8.8.22-r2
- chainguard•camunda-8.9
< 8.9.1-r0
- chainguard•camunda-zeebe-8.6
all
- chainguard•camunda-zeebe-8.7
< 8.7.28-r0
- chainguard•camunda-zeebe-8.8
< 8.8.23-r0
- chainguard•camunda-zeebe-8.9
< 8.9.1-r0
- chainguard•commercial-elasticsearch-8.17
all
- chainguard•commercial-elasticsearch-8.18
all
- chainguard•commercial-elasticsearch-8.19
< 8.19.15-r0
- chainguard•commercial-elasticsearch-9.0
all
- chainguard•commercial-elasticsearch-9.1
all
- chainguard•commercial-elasticsearch-9.2
all
- chainguard•commercial-elasticsearch-9.3
< 9.3.5-r0
- chainguard•druid
< 36.0.0-r15
- chainguard•eco-java-gradle-7.6.5
all
- chainguard•eco-java-gradle-7.6.6
all
- chainguard•eco-java-gradle-8.10
all
- chainguard•eco-java-gradle-8.10.1
all
- chainguard•eco-java-gradle-8.10.2
all
- chainguard•eco-java-gradle-8.11
all
- chainguard•eco-java-gradle-8.11.1
all
- chainguard•eco-java-gradle-8.12
all
- chainguard•eco-java-gradle-8.12.1
all
- chainguard•eco-java-gradle-8.13
all
- chainguard•eco-java-gradle-8.14
all
- chainguard•eco-java-gradle-8.14.1
all
- chainguard•eco-java-gradle-8.14.2
all
- chainguard•eco-java-gradle-8.14.3
all
- chainguard•eco-java-gradle-8.14.4
all
- chainguard•eco-java-gradle-8.8
all
- chainguard•eco-java-gradle-8.9
all
- chainguard•eco-java-gradle-9.0.0
all
- chainguard•eco-java-gradle-9.1.0
all
- chainguard•eco-java-gradle-9.2.0
all
- chainguard•eco-java-gradle-9.2.1
all
- chainguard•eco-java-gradle-9.3.0
all
- chainguard•eco-java-gradle-9.3.1
all
- chainguard•eco-java-gradle-9.4.0
all
- chainguard•eco-java-gradle-9.4.1
all
- chainguard•elasticsearch-7
< 7.17.29-r12
- chainguard•elasticsearch-7-iamguarded
< 7.17.29-r12
- chainguard•elasticsearch-8.17
< 8.17.10-r21
- chainguard•elasticsearch-8.18
all
Showing first 50 affected entries in server-rendered view.
References (36)
- https://github.com/bcgit/bc-java/wiki/CVE%E2%80%902026%E2%80%900636
- https://github.com/bcgit/bc-java/commit/d20cdb8430e09224114fec0179a71859929fcbde
- https://nvd.nist.gov/vuln/detail/CVE-2026-0636
- https://github.com/bcgit/bc-java
- 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
- https://access.redhat.com/errata/RHSA-2026:53644
- https://access.redhat.com/errata/RHSA-2026:53806
- https://security-tracker.debian.org/tracker/CVE-2026-0636
- https://access.redhat.com/errata/RHSA-2026:60247
- https://access.redhat.com/errata/RHSA-2026:60239
- https://access.redhat.com/errata/RHSA-2026:60251
- https://access.redhat.com/errata/RHSA-2026:60246
- https://access.redhat.com/errata/RHSA-2026:60250
- https://access.redhat.com/errata/RHSA-2026:60259
- https://access.redhat.com/errata/RHSA-2026:60254
- https://access.redhat.com/errata/RHSA-2026:60249
- https://access.redhat.com/errata/RHSA-2026:60248
- https://access.redhat.com/errata/RHSA-2026:60252
- https://access.redhat.com/errata/RHSA-2026:60256
- https://www.bouncycastle.org/download/bouncy-castle-java/
- https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/0xxx/CVE-2026-0636.json
- https://access.redhat.com/errata/RHSA-2026:66488
- https://access.redhat.com/errata/RHSA-2026:53645
- https://access.redhat.com/errata/RHSA-2026:53646