How severe is CVE-2026-28379?

CVE-2026-28379 has a CVSS 3.x base score of 6.5, 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 none, and availability high.

Is CVE-2026-28379 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (18th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2026-28379?

CVE-2026-28379 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-2026-28379?

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

Does CVE-2026-28379 have an EU (EUVD) identifier?

Yes. CVE-2026-28379 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-30139.

When was CVE-2026-28379 published?

CVE-2026-28379 was published on 2026-05-13 and last updated on 2026-06-17.

CVE-2026-28379

CVE-2026-28379 is a medium-severity vulnerability in Grafana with a CVSS 3.x base score of 6.5. 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-362.

Key facts

Severity: Medium (CVSS 3.x base score 6.5)
EPSS exploit prediction: 0% (18th percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2026-30139
Weakness: CWE-362
Affected product: Grafana
Published: 2026-05-13
Last modified: 2026-06-17

Description

A race condition in Grafana Live allows authenticated users with Viewer role to trigger a server crash by sending concurrent requests that cause a fatal map access error. This results in complete service unavailability requiring restart of the Grafana server.

Frequently asked questions

What is CVE-2026-28379?: A race condition in Grafana Live allows authenticated users with Viewer role to trigger a server crash by sending concurrent requests that cause a fatal map access error. This results in complete service unavailability requiring restart of the Grafana server.
How severe is CVE-2026-28379?: CVE-2026-28379 has a CVSS 3.x base score of 6.5, 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 none, and availability high.
Is CVE-2026-28379 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (18th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2026-28379?: CVE-2026-28379 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-2026-28379?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
Does CVE-2026-28379 have an EU (EUVD) identifier?: Yes. CVE-2026-28379 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-30139.
When was CVE-2026-28379 published?: CVE-2026-28379 was published on 2026-05-13 and last updated on 2026-06-17.

References

https://grafana.com/security/security-advisories/cve-2026-28379

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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Other CWE-362 (Race Condition) vulnerabilities

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CVE-2014-0703 — Critical (CVSS 10.0): Cisco Wireless LAN Controller (WLC) devices 7.4 before 7.4.110.0 distribute Aironet IOS software with a race condition…
CVE-2010-1228 — Critical (CVSS 10.0): Multiple race conditions in the sandbox infrastructure in Google Chrome before 4.1.249.1036 have unspecified impact and…
CVE-2008-6598 — Critical (CVSS 10.0): Multiple race conditions in WANPIPE before 3.3.6 have unknown impact and attack vectors related to "bri restart logic."
CVE-2026-46137 — Critical (CVSS 9.8): In the Linux kernel, the following vulnerability has been resolved: mptcp: pm: ADD_ADDR rtx: fix potential…

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Threat intelligence

Threat-intel indicators referencing this CVE:

167.172.93.203 (ipv4-addr)
139.99.217.78 (ipv4-addr)
102.182.92.126 (ipv4-addr)