A vulnerability in Apache Linkis.

Problem Description
When using the JDBC engine and da
When using the JDBC engine and data source functionality, if the URL parameter configured on the frontend has undergone multiple rounds of URL encoding, it may bypass the system's checks. This bypass can trigger a vulnerability that allows unauthorized access to system files via JDBC parameters.

Scope of Impact


This issue affects Apache Linkis: from 1.3.0 through 1.7.0.

Severity level


moderate
Solution
Continuously check if the connection information contains the "%" character; if it does, perform URL decoding.

Users are recommended to upgrade to version 1.8.0, which fixes the issue.




More questions about this vulnerability can be discussed here:  https://lists.apache.org/list?dev@linkis.apache.org:2025-9:cve
Advisories

No advisories yet.

Fixes

Solution

No solution given by the vendor.


Workaround

No workaround given by the vendor.

History

Mon, 19 Jan 2026 10:30:00 +0000

Type Values Removed Values Added
References

Mon, 19 Jan 2026 09:00:00 +0000

Type Values Removed Values Added
Description A vulnerability in Apache Linkis. Problem Description When using the JDBC engine and da When using the JDBC engine and data source functionality, if the URL parameter configured on the frontend has undergone multiple rounds of URL encoding, it may bypass the system's checks. This bypass can trigger a vulnerability that allows unauthorized access to system files via JDBC parameters. Scope of Impact This issue affects Apache Linkis: from 1.3.0 through 1.7.0. Severity level moderate Solution Continuously check if the connection information contains the "%" character; if it does, perform URL decoding. Users are recommended to upgrade to version 1.8.0, which fixes the issue. More questions about this vulnerability can be discussed here:  https://lists.apache.org/list?dev@linkis.apache.org:2025-9:cve
Title Apache Linkis: Arbitrary File Read via Double URL Encoding Bypass
Weaknesses CWE-20
CWE-22
References

Projects

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cve-icon MITRE

Status: PUBLISHED

Assigner: apache

Published:

Updated: 2026-01-19T09:11:59.096Z

Reserved: 2025-03-12T03:28:05.936Z

Link: CVE-2025-29847

cve-icon Vulnrichment

No data.

cve-icon NVD

Status : Received

Published: 2026-01-19T09:16:01.237

Modified: 2026-01-19T10:16:06.987

Link: CVE-2025-29847

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

No data.

Weaknesses