CVE-2026-27880
HIGHCVSS 7.5/10EPSS 0.77%
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 0.77% 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/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Weakness Enumeration
Affected Software
| Vendor | Product | Versions |
|---|---|---|
| Grafana | Grafana | < 12.1.0 |
| Grafana | Grafana | >= 12.1.10, < 12.2.0 |
| Grafana | Grafana | >= 12.2.8, < 12.3.0 |
| Grafana | Grafana | >= 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 0.77% 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.
How Strix Helps
- How Strix found a critical auth bypass in etcdStrix autonomously discovered a critical authentication bypass in etcd, later designated CVE-2026-33413.
- Autonomous PentestingAI agents that find and validate exploitable vulnerabilities like this one across your applications.
- PR ReviewsPentest every pull request so vulnerable code is caught before it ships to production.
- AI Penetration TestingHow AI-driven penetration testing continuously covers your attack surface.
Related CVEs from 2026
- CVE-2026-27870An attacker with access via network to the Regesta Smart HD-…4.8
- CVE-2026-27876A chained attack via SQL Expressions and a Grafana Enterpris…9.1
- CVE-2026-27877When using public dashboards and direct data-sources, all di…7.5
- CVE-2026-27878A TraceQL query in Grafana Tempo with a large exemplars hint…6.5
- CVE-2026-27879A resample query can be used to trigger out-of-memory crashe…6.5
- CVE-2026-2788Incorrect boundary conditions in the Audio/Video: GMP compon…9.8
- CVE-2026-27881Coolify is an open-source and self-hostable tool for managin…5
- CVE-2026-27882Coolify is an open-source and self-hostable tool for managin…4.8
- CVE-2026-27883Coolify is an open-source and self-hostable tool for managin…5
- CVE-2026-27884NetExec is a network execution tool. Prior to version 1.5.1,…5.3
- CVE-2026-27885Piwigo is an open source photo gallery application for the w…7.2
- CVE-2026-27886Strapi is an open source headless content management system.…7.5
Are you affected by CVE-2026-27880?
Run a free Strix scan to check your systems for this vulnerability.
Scan your code nowSource: NVD / NIST