How severe is CVE-2026-28374?

CVE-2026-28374 has a CVSS 3.x base score of 4.3, rated medium severity. It is exploitable over network with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is none, integrity low, and availability none.

Is CVE-2026-28374 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (10th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2026-28374?

CVE-2026-28374 primarily affects Grafana. In total, 10 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2026-28374?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.

Does CVE-2026-28374 have an EU (EUVD) identifier?

Yes. CVE-2026-28374 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-30137.

When was CVE-2026-28374 published?

CVE-2026-28374 was published on 2026-05-13 and last updated on 2026-06-17.

CVE-2026-28374

CVE-2026-28374 is a medium-severity vulnerability in Grafana with a CVSS 3.x base score of 4.3. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-284.

Key facts

Severity: Medium (CVSS 3.x base score 4.3)
EPSS exploit prediction: 0% (10th percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2026-30137
Weakness: CWE-284
Affected product: Grafana
Published: 2026-05-13
Last modified: 2026-06-17

Description

Editors could delete any annotation, even those they do not have read access to. The editor user cannot create or read the annotations.

Frequently asked questions

What is CVE-2026-28374?: Editors could delete any annotation, even those they do not have read access to. The editor user cannot create or read the annotations.
How severe is CVE-2026-28374?: CVE-2026-28374 has a CVSS 3.x base score of 4.3, rated medium severity. It is exploitable over network with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is none, integrity low, and availability none.
Is CVE-2026-28374 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (10th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2026-28374?: CVE-2026-28374 primarily affects Grafana. In total, 10 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2026-28374?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
Does CVE-2026-28374 have an EU (EUVD) identifier?: Yes. CVE-2026-28374 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-30137.
When was CVE-2026-28374 published?: CVE-2026-28374 was published on 2026-05-13 and last updated on 2026-06-17.

References

https://grafana.com/security/security-advisories/cve-2026-28374

Affected products (10)

cpe:2.3:a:grafana:grafana:*:*:*:*:*:*:*:*
cpe:2.3:a:grafana:grafana:11.6.14:-:*:*:*:*:*:*
cpe:2.3:a:grafana:grafana:11.6.14:security01:*:*:*:*:*:*
cpe:2.3:a:grafana:grafana:12.2.8:-:*:*:*:*:*:*
cpe:2.3:a:grafana:grafana:12.2.8:security01:*:*:*:*:*:*
cpe:2.3:a:grafana:grafana:12.3.6:-:*:*:*:*:*:*
cpe:2.3:a:grafana:grafana:12.3.6:security01:*:*:*:*:*:*
cpe:2.3:a:grafana:grafana:12.4.3:-:*:*:*:*:*:*
cpe:2.3:a:grafana:grafana:13.0.0:*:*:*:*:*:*:*
cpe:2.3:a:grafana:grafana:13.0.1:-:*:*:*:*:*:*

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Threat intelligence

Threat-intel indicators referencing this CVE:

167.172.93.203 (ipv4-addr)
103.199.117.203 (ipv4-addr)
46.38.146.46 (ipv4-addr)
221.224.194.3 (ipv4-addr)
139.99.217.78 (ipv4-addr)
102.182.92.126 (ipv4-addr)
202.61.238.208 (ipv4-addr)
165.227.163.142 (ipv4-addr)