← Vulnerability feed

Vulnerability record · CVE-2025-29847 · published 19 January 2026

CVE-2025-29847: Apache linkis improper input validation vulnerability

Apache · Linkis

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/[email protected]:2025-9:cve

7.5 CVSS 3.1 High EPSS 0.85% · top 43.5% CWE-20 · Improper input validationCWE-22 · Path traversal
7.5CVSS 3.1 base score
0.85%EPSS exploitation probability, 30 days
NoNot in CISA KEV
1Affected product versions listed by NVD
2References
17 Jun 2026Last modified by NVD

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/[email protected]:2025-9:cve

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N

Affected products

1 vulnerable configurations from NVD's CPE data, grouped by vendor and product.

References

LinkTags
https://lists.apache.org/thread/03l5rfkgdt022o75jp8x4tzpqxz8g057 Mailing List
http://www.openwall.com/lists/oss-security/2025/09/19/2 Mailing ListThird Party Advisory

Track CVE-2025-29847 inside VULONE

Watch it alongside the ransomware crews, C2 infrastructure and forum chatter that reference it, query it through the API and pull it into your SIEM over TAXII.

Start free Open in platform

Related vulnerabilities

Same products first, then exploited flaws of the same weakness class.

9.8CVE-2023-27603Apache linkis path traversal vulnerabilityIn Apache Linkis <=1.3.1, due to the Manager module engineConn material upload does not check the zip path, This is a Zip Slip issue, which will lead…EPSS 1.8%9.8CVE-2023-29215Apache linkis deserialization of untrusted data vulnerabilityIn Apache Linkis <=1.3.1, due to the lack of effective filtering of parameters, an attacker configuring malicious Mysql JDBC parameters in JDBC Eengi…EPSS 2.1%9.8CVE-2023-29216Apache linkis deserialization of untrusted data vulnerabilityIn Apache Linkis <=1.3.1, because the parameters are not effectively filtered, the attacker uses the MySQL data source and malicious parameters to co…EPSS 2.1%9.8CVE-2023-27602Apache linkis unrestricted file upload vulnerabilityIn Apache Linkis <=1.3.1, The PublicService module uploads files without restrictions on the path to the uploaded files, and file types. We recommend…EPSS 2.0%9.1CVE-2023-27987Apache linkis inadequate encryption strength vulnerabilityIn Apache Linkis <=1.3.1, due to the default token generated by Linkis Gateway deployment being too simple, it is easy for attackers to obtain the de…EPSS 0.81%8.8CVE-2024-27181Apache linkis improper privilege management vulnerabilityIn Apache Linkis <= 1.5.0, Privilege Escalation in Basic management services where the attacking user is a trusted account allows access to Linkis's …EPSS 0.64%8.8CVE-2023-46801Apache linkis deserialization of untrusted data vulnerabilityIn Apache Linkis <= 1.5.0, data source management module, when adding Mysql data source, exists remote code execution vulnerability for java version …EPSS 1.2%8.8CVE-2023-49566Apache linkis deserialization of untrusted data vulnerabilityIn Apache Linkis <=1.5.0, due to the lack of effective filtering of parameters, an attacker configuring malicious db2 parameters in the DataSource Ma…EPSS 0.85%

Source: NIST National Vulnerability Database (record CVE-2025-29847), CISA KEV, FIRST EPSS (scores of 2026-09-27). This page is refreshed as NVD updates the record.