GeoserverApplication · Osgeo

CVE-2025-30145

HIGH · 7.5 CVSS v3.1 Published 2025-06-10
Fix available
A fix is available. Upgrade to 2.25.7 / 2.26.3 or later.
See remediation →
84/100
Remediation priority · High
Remotely reachable No privileges Zero-click Patch available

Official description Straight from the sourceThe vendor's or NVD's own wording, published unedited. Authoritative, but often terse — it says what broke, rarely what to do.

NVD · unedited
GeoServer is an open source server that allows users to share and edit geospatial data. Malicious Jiffle scripts can be executed by GeoServer, either as a rendering transformation in WMS dynamic styles or as a WPS process, that can enter an infinite loop to trigger denial of service. This vulnerability is fixed in 2.27.0, 2.26.3, and 2.25.7. This vulnerability can be mitigated by disabling WMS dynamic styling and the Jiffle process.

Technical summary Written by usOur analysis, written from the advisory, the CVSS vector and the affected-version data. It adds context the advisory leaves out, and never invents facts that are not in the source.

dbcve analysis
How this class of weakness works · CWE-835

Crafted input drives a loop whose exit condition is never satisfied, hanging the thread and starving the service of the resource it occupies. A single request can be enough to take a worker down. Remediation is bounding iteration counts and validating the conditions that are supposed to terminate the loop.

General guidance for the infinite loop class — the official description and references above are authoritative for this specific CVE. Want a bespoke review and a reviewed fix? Ask our team →

Affected products & versions What the vendor confirmedThe version ranges the vendor confirmed as vulnerable. If your version sits inside a range here, treat yourself as exposed until you have upgraded.

NVD · CPE data
GeoserverApplication
Affected:< 2.25.7>= 2.26.0, < 2.26.3

CVSS breakdown How the score is builtThe industry scoring standard. It rates how the flaw is reached, what it takes to exploit, and what an attacker gains — the score is derived from those, not the other way round.

From the vector
Attack vector
Network
Complexity
Low
Privileges
None
User interaction
None
Scope
Unchanged
Confidentiality
None
Integrity
None
Availability
High

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

Remediation Closing itWhat it takes to close this. Where a vendor fix exists we point at it; where none exists we say so plainly, and can build one. Effort estimates are scoped from the advisory, not from your codebase.

dbcve · scoped
Upgrade available Upgrade to 2.25.7 / 2.26.3 or later
Fixed in 2.25.72.26.3
Vendor patch github.com →
Recommended fix High confidence

2.27.0 (or nearest fixed patch: 2.26.3 for 2.26.x, 2.25.7 for 2.25.x)

  1. 1. Identify the current GeoServer version by checking the GeoServer admin interface or the installed geosever.war file name
  2. 2. Stop the GeoServer service to prevent data corruption during upgrade
  3. 3. Create a complete backup of the GeoServer data directory (usually $GEOSERVER_DATA_DIR) and configuration files
  4. 4. Download the appropriate fixed version based on your current version: for 2.25.x upgrade to 2.25.7, for 2.26.x upgrade to 2.26.3, or for 2.24.x/2.23.x upgrade to 2.27.0
  5. 5. If using WAR deployment, replace the geoserver.war file in your application server (Tomcat, Jetty, etc.) with the new version
  6. 6. If using installer, run the installer for the new version
  7. 7. Restore the backed-up data directory and configuration to the new installation
  8. 8. Start the GeoServer service

Generated from the published advisory — verify against the referenced sources before acting.

We can perform the upgrade in your staging environment and verify nothing breaks — typical engagement from $1,950. Get the upgrade done

Scan for this in your stack

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References Go to the primary sourcePrimary sources — vendor advisories, patches and trackers. Where our summary and a reference disagree, the reference wins.

Primary sources

Practitioner notes

Contributed

Peer-ranked notes from engineers who’ve handled CVE-2025-30145 in production — separate from our analysis above.

No notes yet

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What this is

A place for practitioners to share what actually worked: a mitigation you’ve tested, a configuration change, a version- or environment-specific caveat, or a link to a verified patch. The most useful notes rise to the top as peers upvote them, so the signal stays high.

What belongs here
  • Verified mitigations, workarounds, and config changes
  • Version or environment caveats, and links to real fixes
  • No weaponised exploit code, or anything meant to cause harm
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