5.4

CVE-2026-21724: Missing Protected-field Authorization in Provisioning Contact Points API

Analyzed
AliasesUBUNTU-CVE-2026-21724GHSA-7g92-g4vh-hp84BIT-grafana-2026-21724
Published 26-03-2026Last modified 27-08-2026

Vulnerability summary

CVE-2026-21724 is a medium (CVSS 5.4) Improper Authorization vulnerability in grafana. EPSS estimates a 0.27% chance of exploitation in the next 30 days, higher than 19.7% of scored vulnerabilities.

Priority
Routine

Not severe (CVSS 5.4, network access); no exploitation reported by the 5 checked sources

Source freshness unavailable

How is this decided?
CVSS score
5.4/10
010
Medium · v3.1 (CVE.org)
EPSS score
0.27%
0%100%
Low · +0.01 pp in 30 days
KEVNot listedNot listed by any tracked catalog.
RansomwareNot flaggedNo ransomware use recorded.
Public exploits0No public exploits recorded

Advisory lineage

Upstream 0 · Downstream 4 · Related 5

Timeline

  1. 26-03-2026
    PublishedVulnerability first disclosed.
  2. 27-08-2026
    Last modifiedVulnerability information updated.

Description

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.

CVSS metrics

5 scores · 5 sources · 1 version

EPSS trend

Probability

0.27%

Chance of exploitation in the next 30 days

Percentile

20%

Versus all other CVEs

30-day change

Increase +0.01 pp

From 0.26% on 04-10-2026

04-10-202603-11-2026

Known exploited

Compare KEV catalogs
CISA KEV

Not in the CISA KEV catalog.

ENISA CNW

Not in the ENISA CNW catalog.

CIRCL

Not in the CIRCL catalog.

Public exploits

0 found

No public exploits indexed.

Weaknesses

CWE · root cause

Affected systems

Version check

Known conditions: network-reachable, low-privilege account, no user interaction (CVSS vector). Other conditions: not stated in public data.

Chainguard8 products
  • grafana-fips-11.6< 11.6.16-r1
  • grafana-fips-12.0< 12.0.10-r6
  • grafana-fips-12.1< 12.1.10.01-r0
  • grafana-fips-12.2< 12.2.8.01-r0
  • grafana-fips-12.3< 12.3.6.01-r0
Grafana2 products
  • 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
  • grafana oss≥ 12.3.1, < 12.3.6 | ≥ 12.2.2, < 12.2.8 | ≥ 12.1.5, < 12.1.10 | ≥ 11.6.9, < 11.6.14
Github.com/grafana1 product
  • grafana< 1.9.2-0.20260323180334-daffe750de85 | All versions (No fix recorded)
Ubuntu1 product
  • grafanaAll versions (No fix recorded)

4 vendors · 12 products

References

9 links