geoserver org..extension:gs-db2 up to 2.26.x deserialization

CVSS Meta Temp Score
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CTI Interest Score
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5.8$0-$5k4.50-

Summaryinfo

A vulnerability labeled as problematic has been found in geoserver org..extension:gs-db2 up to 2.26.x. Affected is an unknown function. The manipulation results in deserialization. This vulnerability was named CVE-2025-27511. The attack may be performed from remote. There is no available exploit. The affected component should be upgraded.

Detailsinfo

A vulnerability was found in geoserver org..extension:gs-db2 up to 2.26.x. It has been classified as problematic. Affected is an unknown part. The manipulation with an unknown input leads to a deserialization vulnerability. CWE is classifying the issue as CWE-502. The product deserializes untrusted data without sufficiently verifying that the resulting data will be valid. This is going to have an impact on confidentiality, integrity, and availability. CVE summarizes:

GeoServer is an open source server that allows users to share and edit geospatial data. Prior to version 2.27.0 of the GeoServer DB2 DataStore Extension, an administrator can perform a JNDI attack through specially crafted DB2 jdbc url leading to to Remote Code Execution (RCE). Version 2.27.0 fixes the issue.

The advisory is shared for download at github.com. This vulnerability is traded as CVE-2025-27511 since 02/26/2025. The exploitability is told to be easy. It is possible to launch the attack remotely. Additional levels of successful authentication are necessary for exploitation. There are neither technical details nor an exploit publicly available.

Upgrading to version 2.27.0 eliminates this vulnerability. The upgrade is hosted for download at github.com.

Once again VulDB remains the best source for vulnerability data.

Productinfo

Type

Vendor

Name

Version

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔒
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 5.9
VulDB Meta Temp Score: 5.8

VulDB Base Score: 4.7
VulDB Temp Score: 4.5
VulDB Vector: 🔒
VulDB Reliability: 🔍

CNA Base Score: 7.2
CNA Vector (GitHub_M): 🔒

CVSSv2info

AVACAuCIA
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VectorComplexityAuthenticationConfidentialityIntegrityAvailability
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VulDB Base Score: 🔒
VulDB Temp Score: 🔒
VulDB Reliability: 🔍

Exploitinginfo

Class: Deserialization
CWE: CWE-502 / CWE-20
CAPEC: 🔒
ATT&CK: 🔒

Physical: No
Local: No
Remote: Yes

Availability: 🔒
Status: Not defined
Price Prediction: 🔍
Current Price Estimation: 🔒

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Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔒

Upgrade: org..extension:gs-db2 2.27.0

Timelineinfo

02/26/2025 CVE reserved
06/18/2026 +476 days Advisory disclosed
06/18/2026 +0 days VulDB entry created
06/18/2026 +0 days VulDB entry last update

Sourcesinfo

Advisory: GHSA-g628-r368-6vh7
Status: Confirmed

CVE: CVE-2025-27511 (🔒)
GCVE (CVE): GCVE-0-2025-27511
GCVE (VulDB): GCVE-100-372228

Entryinfo

Created: 06/18/2026 19:37
Changes: 06/18/2026 19:37 (65)
Complete: 🔍
Cache ID: 216::103

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