CVE-2026-27880: OpenFeature evaluation API reads input data with no bounds
High · CVSS 7.5 (CVSS 3.1)EPSS 0.79%, 56th percentilePublished Updated Assigner: GRAFANA
Description
The OpenFeature feature toggle evaluation endpoint reads unbounded values into memory, which can cause out-of-memory crashes.
Vector CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Tracked companies
Mapped from the CVE’s affected-product data, NVD CPE matches, vendor advisories or package feeds. A mapping means the vendor’s software is named, not that its hosted service was exposed.
Status incidents that name it
No tracked status incident names this CVE.
Affected vendors and products
Grafana: GrafanaRed Hat: Red Hat Enterprise Linux 10Red Hat: Red Hat Enterprise Linux 8Red Hat: Red Hat Enterprise Linux 9
References
- CVE record on cve.org (opens in new tab)
- NVD entry (opens in new tab)
- grafana.com/security/security-advisories/cve-2026-27880 (opens in new tab)
- CVE records from the CVE Program (cve.org). CVE® is a registered trademark of The MITRE Corporation. (opens in new tab)
- This product uses data from the NVD API but is not endorsed or certified by the NVD. (opens in new tab)
- Known Exploited Vulnerabilities catalog from CISA. (opens in new tab)
- EPSS scores from FIRST (Exploit Prediction Scoring System). (opens in new tab)