CVE-2026-0636

Aliases:GHSA-c3fc-8qff-9hwx
Awaiting Analysis
Published: 15 Apr 2026, 08:59
Last modified:16 Jul 2026, 12:04

Vulnerability Summary

Overall Risk (default)
medium
26/100
CVSS Score
6.5 MEDIUM
v3.1 (cve.org)
EPSS Score
0.53% LOW
1% probability 0.00%
KEV
Not listed
Ransomware
No reports
Public exploits
None found
Dark Web
Not detected

Timeline

15 Apr 2026, 08:59
Published
Vulnerability first disclosed
16 Jul 2026, 12:04
Last Modified
Vulnerability information updated

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

  • v4.0MEDIUMScore: 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
  • v4.0MEDIUMScore: 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
  • v4.0MEDIUMScore: 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
  • v3.1MEDIUMScore: 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: 41%

Techniques & Countermeasures

  • CWE-90Improper 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

  • legion of the bouncy castle inc.bc-java

    ≥ 1.74, < 1.84 | ≥ 1.74, < 1.80.2 | ≥ 1.81, < 1.81.1 | ≥ 1.82, < 1.84

  • org.bouncycastlebcprov-jdk14

    ≥ 1.74, < 1.84

  • org.bouncycastlebcprov-jdk15to18

    ≥ 1.74, < 1.84

  • org.bouncycastlebcprov-jdk18on

    ≥ 1.74, < 1.84

References (17)