CVE-2026-27879

CVE-2026-27879 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-787.

Key facts

Description

A resample query can be used to trigger out-of-memory crashes in Grafana.

Frequently asked questions

What is CVE-2026-27879?
A resample query can be used to trigger out-of-memory crashes in Grafana.
How severe is CVE-2026-27879?
CVE-2026-27879 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-2026-27879 being actively exploited?
It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (30th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2026-27879?
CVE-2026-27879 affects Grafana. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2026-27879?
Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
Does CVE-2026-27879 have an EU (EUVD) identifier?
Yes. CVE-2026-27879 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-16636.
When was CVE-2026-27879 published?
CVE-2026-27879 was published on 2026-03-27 and last updated on 2026-06-17.

References

Affected products (1)

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