How severe is CVE-2025-27511?

CVE-2025-27511 has a CVSS 3.x base score of 7.2, rated high severity. It is exploitable over network with low attack complexity, requires high privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.

Is CVE-2025-27511 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (64th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2025-27511?

CVE-2025-27511 affects Osgeo Geoserver. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2025-27511?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.

Does CVE-2025-27511 have an EU (EUVD) identifier?

Yes. CVE-2025-27511 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2025-210276.

When was CVE-2025-27511 published?

CVE-2025-27511 was published on 2026-06-18 and last updated on 2026-10-06.

CVE-2025-27511

CVE-2025-27511 is a high-severity vulnerability in Osgeo Geoserver with a CVSS 3.x base score of 7.2. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-74.

Key facts

Severity: High (CVSS 3.x base score 7.2)
EPSS exploit prediction: 1% (64th percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2025-210276
Weakness: CWE-74
Affected product: Osgeo Geoserver
Published: 2026-06-18
Last modified: 2026-10-06

Description

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.

Frequently asked questions

What is CVE-2025-27511?: 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.
How severe is CVE-2025-27511?: CVE-2025-27511 has a CVSS 3.x base score of 7.2, rated high severity. It is exploitable over network with low attack complexity, requires high privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2025-27511 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (64th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2025-27511?: CVE-2025-27511 affects Osgeo Geoserver. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2025-27511?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
Does CVE-2025-27511 have an EU (EUVD) identifier?: Yes. CVE-2025-27511 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2025-210276.
When was CVE-2025-27511 published?: CVE-2025-27511 was published on 2026-06-18 and last updated on 2026-10-06.

References

Affected products (1)

cpe:2.3:a:osgeo:geoserver:*:*:*:*:*:*:*:*

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