# SUSE-SU-2026:3718-1: grafana security update

SUSE-SU-2026:3718-1, released August 24, 2026, fixes 21 CVEs in grafana (version 12.4.5-150200.3.91.1). None of them is reported as exploited. Patch Radar priority: Urgent.

- Web page: https://patchblox.com/security/fix/linux/suse-su-2026-3718-1
- Platform: Linux
- Released: Aug 24, 2026
- Priority: Urgent (Closes CVE-2026-39821, rated Critical)
- CVEs: 21, exploited: 0, on CISA KEV: 0
- Vendor advisory: https://osv.dev/vulnerability/SUSE-SU-2026:3718-1

## Applies to

| Product | Release | Fixed in |
|---|---|---|
| [grafana](https://patchblox.com/security/data/product/linux/grafana.md) | sles 15.7 | 12.4.5-150200.3.91.1 |

## CVEs this fix closes

| CVE | Priority | Title | CVSS | EPSS | Exploitation |
|---|---|---|---:|---:|---|
| [CVE-2026-39821](https://patchblox.com/security/data/cve/CVE-2026-39821.md) | Urgent | Invoking failure to reject ASCII-only Punycode-encoded labels in golang.org/x/net/idna | 10.0 | 0.0183 |  |
| [CVE-2025-30153](https://patchblox.com/security/data/cve/CVE-2025-30153.md) | High | grafana: Security update for grafana | 7.5 | 0.0062 |  |
| [CVE-2026-33382](https://patchblox.com/security/data/cve/CVE-2026-33382.md) | High | golang-github-prometheus-alertmanager: Limit the size of the request body before processing it at several Grafana API endpoints (bsc#1271331) | 7.4 | 0.0039 |  |
| [CVE-2026-33376](https://patchblox.com/security/data/cve/CVE-2026-33376.md) | High | grafana: When using an IPv6 allow-list for the Auth Proxy feature, it defaults to /32 addresses | 7.4 | 0.0028 |  |
| [CVE-2026-33377](https://patchblox.com/security/data/cve/CVE-2026-33377.md) | High | grafana: Security update for grafana | 7.5 | 0.0023 |  |
| [CVE-2026-25681](https://patchblox.com/security/data/cve/CVE-2026-25681.md) | High | Invoking  incorrect handling of character references in DOCTYPE nodes in golang.org/x/net/html | 8.7 | 0.0022 |  |
| [CVE-2026-27136](https://patchblox.com/security/data/cve/CVE-2026-27136.md) | High | Invoking  duplicate attributes can cause XSS in golang.org/x/net/html | 8.7 | 0.0022 |  |
| [CVE-2026-42502](https://patchblox.com/security/data/cve/CVE-2026-42502.md) | High | Invoking  incorrect handling of HTML elements in foreign content in golang.org/x/net/html | 8.2 | 0.0022 |  |
| [CVE-2026-41607](https://patchblox.com/security/data/cve/CVE-2026-41607.md) | Routine | Apache Thrift: C++ JSON OOB read | 6.5 | 0.0090 |  |
| [CVE-2026-33380](https://patchblox.com/security/data/cve/CVE-2026-33380.md) | Routine | grafana: Security update for grafana | n/a | 0.0037 |  |
| [CVE-2026-33381](https://patchblox.com/security/data/cve/CVE-2026-33381.md) | Routine | grafana: Security update for grafana | n/a | 0.0034 |  |
| [CVE-2026-28376](https://patchblox.com/security/data/cve/CVE-2026-28376.md) | Routine | grafana: Security update for grafana | n/a | 0.0033 |  |
| [CVE-2026-28383](https://patchblox.com/security/data/cve/CVE-2026-28383.md) | Routine | grafana: Security update for grafana | n/a | 0.0033 |  |
| [CVE-2026-33378](https://patchblox.com/security/data/cve/CVE-2026-33378.md) | Routine | grafana: Security update for grafana | n/a | 0.0033 |  |
| [CVE-2026-25680](https://patchblox.com/security/data/cve/CVE-2026-25680.md) | Routine | Invoking denial of service when parsing arbitrary HTML in golang.org/x/net/html | 6.5 | 0.0033 |  |
| [CVE-2026-28379](https://patchblox.com/security/data/cve/CVE-2026-28379.md) | Routine | grafana: Security update for grafana | n/a | 0.0026 |  |
| [CVE-2025-12141](https://patchblox.com/security/data/cve/CVE-2025-12141.md) | Routine | golang-github-prometheus-alertmanager: Fixed information leakage in Grafana Alerting (bsc#1262187) | n/a | 0.0026 |  |
| [CVE-2026-42506](https://patchblox.com/security/data/cve/CVE-2026-42506.md) | Routine | Invoking  incorrect handling of namespaced elements in foreign content in golang.org/x/net/html | 6.1 | 0.0024 |  |
| [CVE-2026-28380](https://patchblox.com/security/data/cve/CVE-2026-28380.md) | Routine | grafana: Security update for grafana | n/a | 0.0023 |  |
| [CVE-2026-28374](https://patchblox.com/security/data/cve/CVE-2026-28374.md) | Routine | grafana: Security update for grafana | n/a | 0.0020 |  |
| [CVE-2026-21725](https://patchblox.com/security/data/cve/CVE-2026-21725.md) | Routine | grafana: Security update for grafana | n/a | 0.0018 |  |

---

Data as of 2026-11-11T19:49:26Z 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

Free to use with attribution: show "Data: Patchblox Patch Radar" with a link to https://patchblox.com/security/patch-radar. Terms, including what needs a written agreement: https://patchblox.com/security/patch-radar/use-the-data

Product names, logos and trademarks shown on Patch Radar belong to their respective owners. They are used only to identify the software each security fix applies to and to help readers find their platform. Their use does not imply any affiliation with, or endorsement by, those owners, and Patchblox is not affiliated with any of them.