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Fencer Vulns
medium 5.4

CVE-2026-21724 json

Missing Protected-field Authorization in Provisioning Contact Points API

published 2026-03-26 7 mo ago modified 2026-09-10 1 mo ago also BIT-grafana-2026-21724 , EUVD-2026-16338 , GHSA-7g92-g4vh-hp84 , GO-2026-5219

cvss
5.4
version 3.1, CNA
cisa kev
Not listed
not in CISA's catalog
epss
0.3%
EPSS 0.3% chance of exploitation in 30 days, percentile 19%
public exploits
0
none known

Summary

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.

Patch / fix

  • go github.com/grafana/grafana 1.9.2-0.20260323180334-daffe750de85
  • bitnami grafana 11.6.14, 12.1.10, 12.2.8, 12.3.6
  • Grafana Grafana OSS 11.6.14, 12.1.10, 12.2.8, 12.3.6
  • grafana Multi Linux Manager Tools SLE-15 11.6.14+security01-150002.4.14.1
  • spacecmd Multi Linux Manager Tools SLE-15 5.1.13-150002.3.9.3
  • uyuni-tools Multi Linux Manager Tools SLE-Micro-5, Multi Linux Manager Tools SLE-15 5.1.26-150002.3.12.1
  • prometheus-blackbox_exporter Multi Linux Manager Tools SLE-Micro-5, Multi Linux Manager Tools SLE-15 0.26.0-150002.3.6.1
  • golang-github-prometheus-prometheus Multi Linux Manager Tools SLE-15 3.5.0-150002.3.8.1
  • golang-github-lusitaniae-apache_exporter Multi Linux Manager Tools SLE-15 1.0.10-150002.3.6.1

suse advisories SUSE-SU-2026:1524-1

  • govulncheck-vulndb openSUSE Leap 16.0 0.0.20260723T184607-160000.1.1
  • grafana openSUSE Leap 16.0 11.6.14+security04-bp160.1.1
  • grafana openSUSE Tumbleweed 11.6.14+security01-1.1

opensuse advisories openSUSE-SU-2026:21483-1openSUSE-SU-2026:20940-1openSUSE-SU-2026:10601-1

Vendor advisories

What the vendors themselves say about their products: affected, fixed or not affected, and what to do.

red hat product security vex CVE-2026-21724 updated cvss 5.4

Grafana OSS: Grafana OSS: Authorization bypass allows modification of protected webhook URLs

  • Red Hat Enterprise Linux 8 grafana, grafana-loki, grafana-mssql, grafana-mysql, grafana-selinux, grafana-graphite, +8 more Red Hat Enterprise Linux 9 grafana, grafana-selinux Red Hat Enterprise Linux 10 grafana
    not affected: vulnerable code not present

Red Hat CSAF VEX © Red Hat, Inc., from https://security.access.redhat.com/data/csaf/v2/vex/; changed: reduced to product statuses and remediations. CC BY 4.0 · csaf

CISA SSVC

Exploitation
none
Automatable
no
Technical impact
partial
Assessed
7 mo ago

Exploit prediction

0.27% chance of exploitation in the next 30 days, higher than 19% of all scored CVEs (FIRST EPSS, 2026-11-08).

CVSS scores

assigned by version score vector
CNA 3.1 5.4 CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:N
GitHub 3.1 5.4 CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:N
NVD 3.1 4.3 CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N
OSV 3.1 4.3 CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N

Affected packages

ecosystem package affected fixed in
go github.com/grafana/grafana
<1.9.2-0.20260323180334-daffe750de85
all versions
1.9.2-0.20260323180334-daffe750de85
bitnami grafana
>=11.6.9, <11.6.14
>=12.1.5, <12.1.10
>=12.2.2, <12.2.8
>=12.3.1, <12.3.6
11.6.14
12.1.10
12.2.8
12.3.6

Affected products

  • Grafana Grafana OSS

Classification

Weakness

References

Sources

Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.

CPEs and fixed versions use Anchore's correction of NVD's data: Added CPE configurations because not yet analyzed by NVD.