How severe is CVE-2026-59652?

CVE-2026-59652 has a CVSS 3.x base score of 6.5, rated medium severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is low, integrity low, and availability none.

Is CVE-2026-59652 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (20th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2026-59652?

CVE-2026-59652 affects Bouncycastle Bc-java. See the affected-products list for the exact vulnerable versions.

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 2026-09-02.

CVE-2026-59652

CVE-2026-59652 is a medium-severity vulnerability in Bouncycastle Bc-java with a CVSS 3.x base score of 6.5. 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 3.x base score 6.5)
CVSS v4: 6.9
EPSS exploit prediction: 0% (20th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-90
Affected product: Bouncycastle Bc-java
Published: 2026-08-03
Last modified: 2026-09-02

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 3.x base score of 6.5, rated medium severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is low, integrity low, and availability none.
Is CVE-2026-59652 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (20th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2026-59652?: CVE-2026-59652 affects Bouncycastle Bc-java. See the affected-products list for the exact vulnerable versions.
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 2026-09-02.

References

Affected products (1)

cpe:2.3:a:bouncycastle:bc-java:*:*:*:*:*:*:*:*

More vulnerabilities in Bouncycastle Bc-java

CVE-2007-6721 — Critical (CVSS 10.0): The Legion of the Bouncy Castle Java Cryptography API before release 1.38, as used in Crypto Provider Package before…
CVE-2018-1000613 — Critical (CVSS 9.8): Legion of the Bouncy Castle Legion of the Bouncy Castle Java Cryptography APIs 1.58 up to but not including 1.60…
CVE-2026-58062 — Critical (CVSS 9.1): In Bouncy Castle for Java before 1.85, Stapled OCSP response accepted without binding to the checked certificate. This…
CVE-2026-8763 — Critical (CVSS 9.1): In Bouncy Castle for Java before 1.85, Name Constraints bypass via trailing dot in rfc822Name and URI. This issue also…
CVE-2026-59650 — Critical (CVSS 9.1): In Bouncy Castle for Java before 1.85, MTI/A0 DH agreement exponentiates unvalidated peer value. This issue also…
CVE-2026-12817 — High (CVSS 8.6): In Bouncy Castle for Java before 1.85, OpenPGP AEAD decryption skips final tag on chunk-aligned data. This issue also…

All CVEs affecting Bouncycastle Bc-java →

Other CWE-90 (LDAP Injection) vulnerabilities

CVE-2026-44930 — Critical (CVSS 9.8): An LDAP injection vulnerability in the LDAP Certificate repository of the XKMS server in Apache CXF may allow an…
CVE-2026-25560 — Critical (CVSS 9.8): WeKan versions prior to 8.19 contain an LDAP filter injection vulnerability in LDAP authentication. User-supplied…
CVE-2024-54852 — Critical (CVSS 9.8): When LDAP connection is activated in Teedy versions between 1.9 to 1.12, the username field of the login form is…
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…

Browse all CWE-90 (LDAP Injection) vulnerabilities →