VulnerabilityModified
CVE-2026-27880
The OpenFeature feature toggle evaluation endpoint reads unbounded values into memory, which can cause out-of-memory crashes.
HIGH 7.5EPSS 0.77%
Does this matter?
High impact if exploited, but EPSS currently rates exploitation as unlikely (0.77%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit.
Description
The OpenFeature feature toggle evaluation endpoint reads unbounded values into memory, which can cause out-of-memory crashes.
- CVSS 3.1
- 7.5 HIGHCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
- EPSS
- 0.77% probability · 54th percentile
- CISA KEV
- Not listed
- Weakness
- CWE-787, CWE-125, CWE-770
- Affected
- grafana/grafana
- Source
- security@grafana.com
References
- https://grafana.com/security/security-advisories/cve-2026-27880Vendor 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-2026-27880Vendor Advisory
- https://security.access.redhat.com/data/csaf/v2/vex/2026/cve-2026-27880.json
Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.