VYPR
Moderate severityNVD Advisory· Published Dec 16, 2022· Updated Apr 17, 2025

Apache Zeppelin: Arbitrary file deletion vulnerability

CVE-2021-28655

Description

Apache Zeppelin 0.9.0 and prior have an improper input validation in the 'Move folder to Trash' feature, allowing arbitrary file deletion.

AI Insight

LLM-synthesized narrative grounded in this CVE's description and references.

Apache Zeppelin 0.9.0 and prior have an improper input validation in the 'Move folder to Trash' feature, allowing arbitrary file deletion.

Vulnerability

Description The "Move folder to Trash" feature in Apache Zeppelin versions 0.9.0 and prior is vulnerable to improper input validation, allowing an attacker to delete arbitrary files on the server [1].

Exploitation

An attacker with access to the Zeppelin web interface can craft a malicious request to the "Move folder to Trash" operation, bypassing intended path restrictions [1]. The vulnerability does not require authentication beyond the web interface access.

Impact

Successful exploitation enables the attacker to delete arbitrary files, potentially causing data loss, service downtime, or further compromise of the Zeppelin server [1].

Mitigation

Apache Zeppelin has addressed this issue in later releases. Users should upgrade to a version beyond 0.9.0. No workaround is documented [1].

AI Insight generated on May 20, 2026. Synthesized from this CVE's description and the cited reference URLs; citations are validated against the source bundle.

Affected packages

Versions sourced from the GitHub Security Advisory.

PackageAffected versionsPatched versions
org.apache.zeppelin:zeppelinMaven
< 0.10.00.10.0

Affected products

2

Patches

0

No patches discovered yet.

Vulnerability mechanics

AI mechanics synthesis has not run for this CVE yet.

References

3

News mentions

0

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