CVE-2026-44617

mediumCVSS 6.5covered by 1 sourcefirst seen 2026-07-30

LDAP filter injection vulnerability in Apache Zeppelin. LdapRealm used RFC 4514 distinguished-name escaping when constructing LDAP search filters instead of RFC 4515 filter escaping, leaving special filter characters insufficiently escaped. This is an incomplete fix of CVE-2024-31867. This issue affects Apache Zeppelin versions 0.11.1, 0.11.2, and 0.12.0. Users are recommended to upgrade to version 0.12.1, which fixes this issue.

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Exploitation outlook

Low exploitation risk0.36% 30-day exploitation probability — currently an unlikely target, but scores change as exploit code circulates. Riskier than 29% of all EPSS-scored CVEs.

Advisory coverage (1)

mediumCVE-2026-44617: LDAP filter injection vulnerability in Apache Zeppelin. LdapRealm used RFC 4514 distinguished-…nvd · 2026-07-30

External references

NVD record for CVE-2026-44617

CVE.org record

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