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GHSA-g628-r368-6vh7

HighCVSS 7.2 / 10
Published Jun 11, 2026·Last modified Jun 11, 2026
Affected Components(0)

No affected components available

Description

Summary

Administrator can perform JNDI attack through specially crafted DB2 jdbc url leading to Remote Code Execution (RCE).

Impact

If GeoServer has DB2 extension installed, this vulnerability can lead to executing arbitrary code.

Details

Authenticated users can access Vector Data Sources page to creating a new data store through db2 jdbc connection, performing JNDI attack due to unrestricted connection parameters, and then achieve RCE with deserialization of untrusted data.

Remediation

This issue has been fixed in this release: https://github.com/geoserver/geoserver/releases/tag/2.27.0.

References

  • https://osgeo-org.atlassian.net/browse/GEOT-7725
  • https://nvd.nist.gov/vuln/detail/cve-2023-27867
Risk Scores
Base Score
7.2

The vulnerability can be exploited over the network without needing physical access. It is easy for an attacker to exploit this vulnerability. An attacker needs high-level or administrative privileges. No user interaction is needed for the attacker to exploit this vulnerability. The impact is confined to the system where the vulnerability exists. There is a high impact on the confidentiality of the information. There is a high impact on the integrity of the data. There is a high impact on the availability of the system.

Threat Intelligence
6.6

Exploitation attempts have been detected. Elevated vigilance and prompt remediation are advised.

EPSS
1.07%

The exploit probability is very low. The vulnerability is unlikely to be exploited in the next 30 days.

Exploit
Not available

We did not find any exploit available. Neither in GitHub repositories nor in the Exploit-Database.

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