# CVE-2026-21720: golang-github-prometheus-promu: Fixed unauthenticated DoS (bsc#1257349)

CVE-2026-21720 is fixed in 8 products on 1 platform, first by SUSE-SU-2026:1013-1, released March 25, 2026. It is not reported as exploited. Patch Radar priority: Routine.

- Web page: https://patchblox.com/security/cve/CVE-2026-21720
- Priority: Routine
- CVSS: n/a
- EPSS: 0.0069
- CISA KEV: not listed
- Exploited (vendor report): no
- Publicly disclosed: no
- Published: Mar 25, 2026

## Description

Fixed unauthenticated DoS (bsc#1257349)

## Where it's fixed

| Platform | Product | Fixed in | Fix | Released |
|---|---|---|---|---|
| Linux | dracut-saltboot opensuse-leap 15.6 | 1.1.0-150000.1.65.1 | [SUSE-SU-2026:1013-1](https://patchblox.com/security/data/fix/linux/suse-su-2026-1013-1.md) | Mar 25, 2026 |
| Linux | golang-github-QubitProducts-exporter_exporter opensuse-leap 15.6 | 0.4.0-150000.1.21.1 | [SUSE-SU-2026:1013-1](https://patchblox.com/security/data/fix/linux/suse-su-2026-1013-1.md) | Mar 25, 2026 |
| Linux | golang-github-boynux-squid_exporter opensuse-leap 15.6 | 1.13.0-150000.1.12.1 | [SUSE-SU-2026:1013-1](https://patchblox.com/security/data/fix/linux/suse-su-2026-1013-1.md) | Mar 25, 2026 |
| Linux | golang-github-lusitaniae-apache_exporter opensuse-leap 15.6 | 1.0.10-150000.1.26.1 | [SUSE-SU-2026:1013-1](https://patchblox.com/security/data/fix/linux/suse-su-2026-1013-1.md) | Mar 25, 2026 |
| Linux | golang-github-prometheus-promu opensuse-leap 15.6 | 0.17.0-150000.3.30.1 | [SUSE-SU-2026:1013-1](https://patchblox.com/security/data/fix/linux/suse-su-2026-1013-1.md) | Mar 25, 2026 |
| Linux | golang-github-prometheus-promu sles 15.7 | 0.17.0-150000.3.30.1 | [SUSE-SU-2026:1013-1](https://patchblox.com/security/data/fix/linux/suse-su-2026-1013-1.md) | Mar 25, 2026 |
| Linux | grafana opensuse-leap 15.6 | 11.6.11-150200.3.83.1 | [SUSE-SU-2026:1037-1](https://patchblox.com/security/data/fix/linux/suse-su-2026-1037-1.md) | Mar 25, 2026 |
| Linux | grafana sles 15.7 | 11.6.11-150200.3.83.1 | [SUSE-SU-2026:1037-1](https://patchblox.com/security/data/fix/linux/suse-su-2026-1037-1.md) | Mar 25, 2026 |
| Linux | prometheus-blackbox_exporter opensuse-leap 15.6 | 0.26.0-150000.1.30.2 | [SUSE-SU-2026:1013-1](https://patchblox.com/security/data/fix/linux/suse-su-2026-1013-1.md) | Mar 25, 2026 |
| Linux | spacecmd opensuse-leap 15.6 | 5.0.15-150000.3.142.1 | [SUSE-SU-2026:1013-1](https://patchblox.com/security/data/fix/linux/suse-su-2026-1013-1.md) | Mar 25, 2026 |

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Data as of 2026-11-11T07:45:43Z UTC. Source: Patchblox Patch Radar (https://patchblox.com/security/patch-radar). Patchblox finds out-of-date software on Windows, macOS and Linux and updates it through release rings: https://patchblox.com/demo

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