CVE-2026-27880

HIGHNVD 7.57.5—

7.5

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

CVSS v3: 7.5
EG Score: 7.5(medium)
EPSS: 10.8%
KEV: Not listed

Published

March 27, 2026

Last Modified

May 10, 2026

Advisory Details (1)

Auto-updated May 10, 2026

No patch confirmed yet.

generic

OpenFeature evaluation API reads input data with no bounds | Grafana Labs

https://grafana.com/security/security-advisories/cve-2026-27880

Data Freshness Timeline

(refreshed 17× in last 7d / 20× in last 30d)

Every time one of our enrichment pipelines (NVD, MITRE cvelistV5, EPSS, CISA KEV, GHSA, OSV, vendor advisories) ran against this CVE. Most recent first.

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Frequently asked(5)

What is CVE-2026-27880?

CVE-2026-27880 is a high vulnerability published on March 27, 2026. The OpenFeature feature toggle evaluation endpoint reads unbounded values into memory, which can cause out-of-memory crashes.

When was CVE-2026-27880 disclosed?

CVE-2026-27880 was first published in the National Vulnerability Database on March 27, 2026, with the most recent update on May 10, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.

Is CVE-2026-27880 actively exploited?

CVE-2026-27880 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 10.8% percentile likelihood of exploitation in the next 30 days — higher percentiles indicate greater predicted risk.

What is the CVSS score of CVE-2026-27880?

CVE-2026-27880 has a CVSS v3 base score of 7.5 (NVD).

How do I remediate CVE-2026-27880?

Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2026-27880, EchelonGraph cross-links them in the Vendor Advisories panel below — those typically contain the canonical remediation steps, fixed version numbers, and any vendor-specific mitigations.

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CVE-2026-27880

📅 Published

🔄 Last Modified

📋 Advisory Details (1)