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Vulnerability record · CVE-2026-27880 · published 27 March 2026

CVE-2026-27880: Grafana out-of-bounds write vulnerability

Grafana · Grafana

The OpenFeature feature toggle evaluation endpoint reads unbounded values into memory, which can cause out-of-memory crashes.

7.5 CVSS 3.1 High EPSS 0.63% · top 51.9% CWE-787 · Out-of-bounds writeCWE-125 · Out-of-bounds read
7.5CVSS 3.1 base score
0.63%EPSS exploitation probability, 30 days
NoNot in CISA KEV
1Affected product versions listed by NVD
5References
15 Jul 2026Last modified by NVD

Description

The OpenFeature feature toggle evaluation endpoint reads unbounded values into memory, which can cause out-of-memory crashes.

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Affected products

1 vulnerable configurations from NVD's CPE data, grouped by vendor and product.

References

LinkTags
https://grafana.com/security/security-advisories/cve-2026-27880 Vendor Advisory
https://access.redhat.com/security/cve/CVE-2026-27880
https://bugzilla.redhat.com/show_bug.cgi?id=2452295
https://grafana.com/security/security-advisories/cve-2026-27880 Vendor Advisory
https://security.access.redhat.com/data/csaf/v2/vex/2026/cve-2026-27880.json

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Source: NIST National Vulnerability Database (record CVE-2026-27880), CISA KEV, FIRST EPSS (scores of 2026-09-26). This page is refreshed as NVD updates the record.