Prometheus Collection Agent Plugin 6.x Release Notes
Overview Copied
This page provides information about the Prometheus Collection Agent plugin version 6.x release, including new features and resolved issues.
For a detailed overview of the Geneos 7.x.x release, including key highlights for other components, see Geneos 7.x Release Notes.
Prometheus Collection Agent plugin 6.4.1 Copied
Released: 28 April 2026 Standalone release
New features and enhancements Copied
These are the new features and enhancements of this release:
| Issue key | Release description |
|---|---|
| COL-13140 | The Prometheus Collection Agent plugin has been upgraded to use collection-plugin-parent version 6.5.1 to address the Netty security vulnerability CVE-2026-33871. |
Prometheus Collection Agent plugin 6.4.0 Copied
Released:
- 15 April 2026 Packaged with Geneos 7.9.0
- 25 March 2026 Standalone release
New features and enhancements Copied
These are the new features and enhancements of this release:
| Issue key | Release description |
|---|---|
| COL-12973 | Prometheus alerts that exceed the previous character limit are now truncated instead of dropped, ensuring long alert messages are still delivered to Geneos. |
| COL-13004 | Alerts are no longer dropped when the description annotation is missing. The plugin now falls back to using the message or summary fields, and logs a warning only if none of these fields are present. |
| COL-13046 | This release updates the Prometheus Collection Agent plugin to version 6.4.0, which also requires a minimum Collection Agent version 6.5.0 for proper functionality. |
Prometheus Collection Agent plugin 6.3.4 Copied
Released: 22 April 2026 Standalone release
New features and enhancements Copied
These are the new features and enhancements of this release:
| Issue key | Release description |
|---|---|
| COL-13093 | The Prometheus Collection Agent plugin has been upgraded to use
|
Prometheus Collection Agent plugin 6.3.3 Copied
Released:
- 18 March 2026 Packaged with Geneos 7.8.3
- 12 March 2026 Standalone release
New features and enhancements Copied
These are the new features and enhancements of this release:
| Issue key | Release description |
|---|---|
| C2-504, COL-13039 | Updated jackson-core to resolve the security vulnerability GHSA-72hv-8253-57qq, which may allow a denial-of-service condition. |
Prometheus Collection Agent plugin 6.3.2 Copied
Released:
- 29 January 2026 Packaged with Geneos 7.8.0
- 20 January 2026 Standalone release
New features and enhancements Copied
These are the new features and enhancements of this release:
| Issue key | Release description |
|---|---|
| C2-500 | This release updates the Vert.x dependencies used by the Prometheus Collection Agent plugin to version 4.5.24. In addition, CVE-2026-1002 has been disclosed and fixed in this release. |
| COL-12911 | Blank metric dimensions are now filtered out to prevent invalid dimension errors. |
Prometheus Collection Agent plugin 6.3.1 Copied
Released: 15 January 2026 Standalone release
New features and enhancements Copied
These are the new features and enhancements of this release:
| Issue key | Release description |
|---|---|
| COL-12919 | Addressed the Vert.x security vulnerabilities BDSA-2025-14250 and BDSA-2025-14251. |
| COL-12951 | The Prometheus Collection Agent plugin has been upgraded to use collection-plugin-parent version 6.4.1 to address the Netty security vulnerability BDSA-2025-62789 (CVE-2025-67735). |
Prometheus Collection Agent plugin 6.3.0 Copied
Released: 24 November 2025 Standalone release
New features and enhancements Copied
These are the new features and enhancements of this release:
| Issue key | Release description |
|---|---|
| C2-478 | Upgraded the Kubernetes client to version 7.x. |
Prometheus Collection Agent plugin 6.2.0 Copied
Released:
- 27 November 2025 Packaged with Geneos 7.7.0
- 17 November 2025 Standalone release
New features and enhancements Copied
These are the new features and enhancements of this release:
| Issue key | Release description |
|---|---|
| COL-12769 | The Prometheus Collection Agent plugin now supports authenticating to Prometheus endpoints requiring bearer token authorization. |
Prometheus Collection Agent plugin 6.1.1 Copied
Released:
- 30 September 2025 Packaged with Geneos 7.6.0
- 12 September 2025 Standalone release
Issues fixed Copied
These are the issues we have fixed in this release:
| Issue key | Release description |
|---|---|
| C2-489 | Upgraded Netty to version 4.1.127 to resolve the security vulnerability CVE-2025-55163. |
Prometheus Collection Agent plugin 6.1.0 Copied
Released: 31 July 2025 Standalone release
This release updates the Prometheus Collection Agent plugin to version 6.1.0.
New features and enhancements Copied
These are the new features and enhancements of this release:
| Issue key | Release description |
|---|---|
| C2-424 | Updated the Kubernetes dimension key names to align with OpenTelemetry semantic resource attribute equivalents. |
Prometheus Collection Agent plugin 6.0.0 Copied
Released:
- 07 August 2025 Packaged with Geneos 7.5.0
- 10 July 2025 Standalone release
New features and enhancements Copied
These are the new features and enhancements of this release:
| Issue key | Release description |
|---|---|
| COL-12693 | This release updates the Prometheus Collection Agent plugin to version 6.0.0, which also requires a minimum Collection Agent version 6.0.0 for proper functionality. |
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The information contained in this document is for general information and guidance on our products, services, and other matters. It is only for information purposes and is not intended as advice which should be relied upon. We try to ensure that the content of this document is accurate and up-to-date, but this cannot be guaranteed. Changes may be made to our products, services, and other matters which are not noted or recorded herein. All liability for loss and damage arising from reliance on this document is excluded (except where death or personal injury arises from our negligence or loss or damage arises from any fraud on our part).