CVE-2026-27880

HIGHCVSS 7.5/10EPSS 0.56%

Last modified

CVE-2026-27880 is a high-severity vulnerability rated 7.5/10 on the CVSS scale. The OpenFeature feature toggle evaluation endpoint reads unbounded values into memory, which can cause out-of-memory crashes.. EPSS estimates a 0.56% chance of exploitation in the next 30 days.

Description

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

Metrics

CVSS 3.1
7.5/10

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

EPSS Probability
0.56%

42.3th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

Affected Software

VendorProductVersions
GrafanaGrafana< 12.1.0
GrafanaGrafana>= 12.1.10, < 12.2.0
GrafanaGrafana>= 12.2.8, < 12.3.0
GrafanaGrafana>= 12.3.6, < 12.4.0

References

Timeline

Published
Last Modified
Status
Modified

Frequently Asked Questions

What is CVE-2026-27880?
The OpenFeature feature toggle evaluation endpoint reads unbounded values into memory, which can cause out-of-memory crashes.
How severe is CVE-2026-27880?
CVE-2026-27880 has a CVSS score of 7.5/10 (HIGH severity). The EPSS model estimates a 0.56% probability of exploitation in the next 30 days.
How do I fix CVE-2026-27880?
Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2026-27880?

Run a free Strix scan to check your systems for this vulnerability.

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Source: NVD / NIST