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VulnerabilityPublished Updated

CVE-2026-44617: Apache Zeppelin · LDAP Injection

Affects Apache ZeppelinSource CVE Database V5

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Mentioned vulnerabilities

Not known to be exploited · CVSS 6.5 Medium : upgrade to 0.12.1 when convenient.

Data as of 29 Oct 2026, 07:15 UTC

CVSS 3.1 base score
6.5Medium
How severe the flaw is on the 0–10 CVSS scale.
EPSS
0.8% chance of exploitation in 30 days – higher than 57% of CVEsExploit Prediction Scoring System: the likelihood attackers will use this flaw soon.
Patch
Available – fixed in 0.12.1
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N

Exploitation evidence

  1. Disclosed: evidence found.

    CVE published 30 Jul 2026

  2. Detectable: no evidence on record.

    No public nuclei template indexed

  3. Weaponized: no evidence on record.

    No public exploit code indexed in Metasploit or Exploit-DB

  4. Exploited in the wild: no evidence on record.

    Not in CISA KEV and no source reports exploitation

  5. Observed by OffSeq Mirage: no evidence on record.

    No attack traffic recorded by OffSeq Mirage sensors

A missing step is not evidence of safety. Sources: cve.org (opens in a new tab), the Metasploit, Exploit-DB and nuclei-templates index as of 29 Oct 2026.

What to do

Upgrade Apache Zeppelin to 0.12.1.

Affected software

ProductAffectedFixed in
Apache Software FoundationApache ZeppelinAffected
  • >=0.11.1 <0.12.1
Fixed in
  • 0.12.1
Mavenorg.apache.zeppelin/zeppelinpkg:maven/org.apache.zeppelin/zeppelinOther threatsAffected
  • =0.11.1
  • =0.11.2
  • =0.12.0
Fixed in–

Check your own hosts for these packages with threat-finder (opens in a new tab), our free open-source scanner.

AI-suggested

Users should upgrade Apache Zeppelin to version 0.12.1, which contains the official fix for this LDAP injection vulnerability. No other mitigation steps are indicated by the vendor. Patch status is confirmed by the vendor advisory stating the fix is in version 0.12.1.

Description

Apache Zeppelin versions 0.11.1, 0.11.2, and 0.12.0 contain an LDAP injection vulnerability due to improper escaping of special characters in LDAP search filters. This vulnerability is an incomplete fix of a previous issue (CVE-2024-31867). The issue is resolved in version 0.12.1. The CVSS score is 6.5, indicating a medium severity risk.

References

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