CVE-2023-27602: Apache Linkis publicsercice module unrestricted upload of file

Severity: critical (CVSS 9.8 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 2.0% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2023-04-10 · updated 2026-06-17
Weakness: CWE-434

Description

In Apache Linkis <=1.3.1, The PublicService module uploads files without restrictions on the path to the uploaded files, and file types. We recommend users upgrade the version of Linkis to version 1.3.2. For versions <=1.3.1, we suggest turning on the file path check switch in linkis.properties `wds.linkis.workspace.filesystem.owner.check=true` `wds.linkis.workspace.filesystem.path.check=true`

Affected products

Apache Software Foundation Apache Linkis: through 1.3.1

References

http://www.openwall.com/lists/oss-security/2023/04/10/1
http://www.openwall.com/lists/oss-security/2023/04/18/4
http://www.openwall.com/lists/oss-security/2023/04/19/3
https://lists.apache.org/thread/wt70jfc0yfs6s5g0wg5dr5klnc48nsp1
http://www.openwall.com/lists/oss-security/2023/04/10/1
http://www.openwall.com/lists/oss-security/2023/04/18/4
http://www.openwall.com/lists/oss-security/2023/04/19/3
https://lists.apache.org/thread/wt70jfc0yfs6s5g0wg5dr5klnc48nsp1

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