Path traversal vulnerability in Apache Zeppelin. When FileSystemNotebookRepo is configured, an authenticated attacker with permission to rename a note, or access to folder operations, could supply traversal segments in note or folder paths. Zeppelin composed these values into filesystem paths using the server's filesystem or Hadoop identity without ensuring that the result remained under the configured notebook directory. This could allow notebook files or directories to be moved, written, or deleted outside the notebook root. This issue affects Apache Zeppelin versions 0.9.0 through 0.12.0. Users are recommended to upgrade to version 0.12.1, which fixes this issue.
CVE-2026-44615
Score 6.5 from GitHub Security Advisory published 2026-07-31. CISA-ADP (Vulnrichment) CVSS v3.1 baseline 6.5; sources differ by 0.0.
- Lower severity and no public exploit yet
A fix is available — apply it.
- CVSS v3
- 6.5
- EG Score
- 6.5MEDIUMmedium confidence
- EG Risk
- 30EG Risk 30/100CISA SSVC
EG Risk is EchelonGraph's 0–100 priority score: it fuses intrinsic severity with real-world exploitation and automatability so you can rank equal-severity CVEs and fix the most dangerous first. Higher = act sooner. Distinct from the 0–10 EG Score (severity).
How it’s computedSeverity65% × 45%Exploitation1% × 40%Automatability0% × 15%CISA SSVC: Track at every mission impact level.Action: A fix is available. Apply it within your standard update timelines. - EPSS PROB
- 0.8%
- EPSS %ILE
- 55th
- KEV
- Not listed
CISA SSVCTrack at every mission impact level.
A fix is available. Apply it within your standard update timelines.
Exploitation none (CISA Vulnrichment) · Automatable no (CISA Vulnrichment) · Technical impact partial (CISA Vulnrichment). Mission impact is CISA's Mission & Well-being decision point, and only you can judge it: high means the affected system is essential to your organisation's mission, or its compromise could cause irreversible harm to people. CISA's decision table
Published
July 31, 2026
Last Modified
August 10, 2026
Advisory Details (3)
Auto-updated Jul 31, 2026[MINOR] Reject traversal segments in note and folder paths
Fix merged in apache/zeppelin PR #5248 on 2026-05-14 — awaiting tagged release
https://github.com/apache/zeppelin/pull/5248[MINOR] Reject traversal segments in note and folder paths
Fix merged in apache/zeppelin PR #5227 on 2026-05-14 — awaiting tagged release
https://github.com/apache/zeppelin/pull/5227Vendor Advisories for CVE-2026-44615(1)
These vendors published their own advisory mentioning this CVE — often with vendor-specific remediation steps + affected product lists not in NVD.
Weakness Classification(1)
MITRE Common Weakness Enumeration — the root-cause categories this CVE belongs to.
Data Freshness Timeline
(refreshed 12× in last 7d / 64× in last 30d)
Each row is a source pipeline that fetched or updated this CVE on that date, with what changed. For example, "NVD update" means NVD published or revised its analysis for this CVE; "MITRE cvelistV5" means we ingested or refreshed it from the CNA feed. Most recent first.
Showing the most recent 100 of 171 total refreshes for this CVE.
- 2026-10-04 23:22 UTCEPSS rescore
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- 2026-10-04 06:32 UTCGHSA enrichment
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- 2026-09-20 20:15 UTCEPSS rescore
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- 2026-09-07 16:01 UTCEPSS rescore
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- 2026-09-06 08:21 UTCEG score recompute
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- 2026-09-04 11:21 UTCGHSA enrichment
- 2026-09-04 05:06 UTCEPSS rescore
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- 2026-09-03 09:13 UTCGHSA enrichment
- 2026-09-02 14:12 UTCEPSS rescore
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- 2026-09-01 13:54 UTCEPSS rescore
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- 2026-08-30 20:52 UTCGHSA enrichment
- 2026-08-30 19:17 UTCEPSS rescore
- 2026-08-30 01:22 UTCEPSS rescore
- 2026-08-29 22:22 UTCEG score recompute
- 2026-08-29 22:22 UTCGHSA enrichment
- 2026-08-28 21:41 UTCEPSS rescore
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- 2026-08-27 11:27 UTCEG score recompute
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- 2026-08-22 18:56 UTCGHSA enrichment
- 2026-08-21 23:49 UTCEPSS rescore
- 2026-08-21 20:26 UTCEG score recompute
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Frequently asked(5)
What is CVE-2026-44615?
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Dependency Blast Radius
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