According to its self-reported version, the Grafana install hosted on the remote host is prior to 11.6.14, or 12.1.x prior to 12.1.10, or 12.2.x prior to 12.2.8, or 12.3.x prior to 12.3.6. It is, therefore, affected by a missing protected-field authorization vulnerability.

- A vulnerability has been discovered in Grafana OSS where an authorization bypass in the provisioning contact points API allows users with Editor role to modify protected webhook URLs without the required alert.

Note that the scanner has not tested for these issues but has instead relied only on the application's self-reported version number.

There are packages installed that are affected by a vulnerability referenced in the following CVE:

  - A vulnerability has been discovered in Grafana OSS where an authorization bypass in the provisioning
    contact points API allows users with Editor role to modify protected webhook URLs without the required
    alert.notifications.receivers.protected:write permission. (CVE-2026-21724)

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available.

  - A vulnerability has been discovered in Grafana OSS where an authorization bypass in the provisioning     contact points API allows users with Editor role to modify protected webhook URLs without the required     alert.notifications.receivers.protected:write permission. (CVE-2026-21724)

Note that Nessus relies on the presence of the package as reported by the vendor.

The remote openSUSE 16 host has a package installed that is affected by multiple vulnerabilities as referenced in the openSUSE-SU-2026:20940-1 advisory.

    Changes in grafana:

    - CVE-2026-39821: Fix validation bypass and privilege escalation by       updating golang.org/x/net to version 0.55.0 (bsc#1266600)

    - Update to version 11.6.14+security-04:
      Security:
      * CVE-2026-28374: Fix insecure direct object reference in         Annotations API (bsc#1265290)
      * CVE-2026-28376: Fix unbounded memory allocation in Grafana Live         push endpoint (bsc#1265289)
      * CVE-2026-28383: Fix unbounded memory allocation in Grafana         plugin resources (bsc#1265286)
      * CVE-2026-28380: Fix broken access control in Snapshot API         (bsc#1265287)
      * CVE-2026-33376: Fix Auth Proxy IPv6 whitelist bypass         (bsc#1265285)
      * CVE-2026-28379: Fix viewer-triggered race condition in         Grafana Live (bsc#1265288)
      * CVE-2026-33377: Fix dashboard Editor Privilege Escalation         (bsc#1265284)
      * CVE-2026-33378: Fix OOM exception in Grafana Data Source Plugin         (bsc#1265283)
      * CVE-2026-33381: Prevent users from generating Service Account         tokens after permissions removal (bsc#1265281)
      * CVE-2026-33380: Fix vulnerability in SQL Expressions allowing         an authenticated attacker to read arbitrary files from the         Grafana servers filesystem (bsc#1265282)

    - CVE-2026-34986: Fix panic in JWE decryption (bsc#1262950)
    - CVE-2026-41602: Fix Integer Overflow or Wraparound vulnerability       in Apache Thrift (bsc#1263501)

    - CVE-2026-26958: Bump filippo.io/edwards25519 to version 1.1.1       (bsc#1258595)
    - CVE-2026-21725: Fix missing UID when deleting datasource by name       (bsc#1258873)

    - Update to version 11.6.14+security-01:
      Security:
      * CVE-2026-33375: Fix denial of Service via out-of-memory         exhaustion in MSSQL data source plugin (bsc#1260881)

    - Update to version 11.6.14:
      Security:
      * CVE-2026-27876: Fix remote arbitrary code execution via chained         SQL Expressions (bsc#1261025)
      * CVE-2026-27877: Fix information disclosure of data-source         passwords via public dashboards (bsc#1261026)
      * CVE-2026-28375: Fix denial of service via testdata data-source         (bsc#1261029)
      * CVE-2026-27879: Fix denial of service via resample query         (bsc#1261027)
      * CVE-2026-33186: Fix authorization bypass due to improper         validation of the HTTP/2 :path pseudo-header (bsc#1260263)
      * CVE-2026-21724: Fix authorization bypass allows modification of         protected webhook URLs (bsc#1260878)

    - Update to version 11.6.13:
      Enhancement:
      * Wire the public dashboard service to the HTTP server

    - Update to version 11.6.12:
      Enhancement:
      * Update authentication redirect logic       Bug fix:
      * Fix single panel render with variable references

Tenable has extracted the preceding description block directly from the SUSE security advisory.

Note that Nessus has not tested for these issues but has instead relied only on the application's self-reported version number.

ID	Name	Product	Family	Published	Updated	Severity
115184	Grafana 12.2.x < 12.2.8 Improper Authorization	Web App Scanning	Component Vulnerability	4/2/2026	4/2/2026	medium
115185	Grafana 12.3.x < 12.3.6 Improper Authorization	Web App Scanning	Component Vulnerability	4/2/2026	4/2/2026	medium
115182	Grafana < 11.6.14 Improper Authorization	Web App Scanning	Component Vulnerability	4/2/2026	4/2/2026	medium
115183	Grafana 12.1.x < 12.1.10 Improper Authorization	Web App Scanning	Component Vulnerability	4/2/2026	4/2/2026	medium
440798	SCA: security update for github.com/grafana/grafana (GHSA-7g92-g4vh-hp84)	Tenable Cloud Security	SCA Checks	4/24/2026	7/2/2026	medium
440798	SCA: security update for github.com/grafana/grafana (GHSA-7g92-g4vh-hp84)	Tenable Self-Hosted Container Security	SCA Checks	4/24/2026	7/2/2026	medium
304335	Linux Distros Unpatched Vulnerability : CVE-2026-21724	Nessus	Misc.	3/30/2026	4/14/2026	medium
321072	openSUSE 16 Security Update : grafana (openSUSE-SU-2026:20940-1)	Nessus	SuSE Local Security Checks	6/14/2026	6/17/2026	medium

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