Vulnerability in Bouncy Castle for Java (CVE-2026-59652)
Summary
Vulnerability in Bouncy Castle for Java (CVE-2026-59652). Risk of unauthorized operations or information disclosure.
Original description
The description as published by the source.
In Bouncy Castle for Java before 1.85, LDAP filter injection in legacy jdk1.4 LDAPStoreHelper.
Source: NIST National Vulnerability Database NVD GitHub Advisory
Auto-generated summary
Assembled by SecPulse from the source data (CVSS, CWE, affected versions) using templates — no AI involved. Check the original description and references below for exact details.
A weakness called CVE-2026-59652 was discovered in Bouncy Castle for Java.
Severity is Medium (CVSS 6.5/10). Exploitation requires specific conditions but can cause real harm if successful.
What you should do: update the affected software to the latest version. If unsure, ask your IT team or search the vendor's site for "Bouncy Castle for Java CVE-2026-59652".
CVE-2026-59652 (Bouncy Castle for Java). Severity: Medium / CVSSv3 6.5. Category: CWE-90.
Response plan:
- Check the vendor advisory for affected versions and the patched release.
- If a vulnerable version is running in production, schedule maintenance (urgency from KEV/CVSS).
- If no patch yet, mitigate via WAF rule, disabling the affected feature, etc.
- Monitor logs / SIEM for known IOC and PoC signatures of this CVE.
PoCs and fix commits: see the 'References' section, MITRE, and NVD.
A weakness (CVE-2026-59652) in Bouncy Castle for Java. A serious software flaw has been identified.
Target versions of Bouncy Castle for Java (see vendor advisory). If running in production, identify exposure immediately.
Severity: Medium (CVSS 6.5/10). Exploitation requires specific conditions but can cause real harm if successful.
Update to the patched release as listed in the vendor advisory. (Typical mitigation pattern for CWE-90)
If a patch is not yet available, consider disabling the affected feature, applying WAF rules, blocking via network ACLs, or isolating the vulnerable version.
Check version information, scan dependencies via SBOM, and monitor SIEM for IOC and PoC signatures related to this CVE.
Fix status by distribution
Fixed packages published by each distribution for this CVE
- Debian DEBIAN-CVE-2026-59652 bouncycastle
- Ubuntu UBUNTU-CVE-2026-59652 bouncycastle
References
- advisory nvd.nist.gov
- advisory github.com
- advisory github.com
- package github.com
- patch github.com
- web github.com
- web github.com
- web bouncycastle.org