How severe is CVE-2026-59652?

CVE-2026-59652 has a CVSS 4.0 base score of 6.9, rated medium severity.

Is CVE-2026-59652 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (27th percentile), an estimate of the probability of exploitation in the next 30 days.

How do I fix CVE-2026-59652?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.

When was CVE-2026-59652 published?

CVE-2026-59652 was published on 2026-08-03 and last updated on 2026-08-04.

CVE-2026-59652

CVE-2026-59652 is a medium-severity vulnerability with a CVSS 4.0 base score of 6.9. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-90.

Key facts

Severity: Medium (CVSS 4.0 base score 6.9)
EPSS exploit prediction: 0% (27th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-90
Published: 2026-08-03
Last modified: 2026-08-04

Description

In Bouncy Castle for Java before 1.85, LDAP filter injection in legacy jdk1.4 LDAPStoreHelper.

Frequently asked questions

What is CVE-2026-59652?: In Bouncy Castle for Java before 1.85, LDAP filter injection in legacy jdk1.4 LDAPStoreHelper.
How severe is CVE-2026-59652?: CVE-2026-59652 has a CVSS 4.0 base score of 6.9, rated medium severity.
Is CVE-2026-59652 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (27th percentile), an estimate of the probability of exploitation in the next 30 days.
How do I fix CVE-2026-59652?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2026-59652 published?: CVE-2026-59652 was published on 2026-08-03 and last updated on 2026-08-04.

References

Other CWE-90 (LDAP Injection) vulnerabilities

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CVE-2024-33868 — Critical (CVSS 9.8): An issue was discovered in linqi before 1.4.0.1 on Windows. There is LDAP injection.
CVE-2011-4069 — Critical (CVSS 9.8): html/admin/login.php in PacketFence before 3.0.2 allows remote attackers to conduct LDAP injection attacks and…
CVE-2017-14596 — Critical (CVSS 9.8): In Joomla! before 3.8.0, inadequate escaping in the LDAP authentication plugin can result in a disclosure of a username…

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