Allocation of Resources Without Limits or Throttling Affecting github.com/grafana/grafana/pkg/expr/mathexp package, versions >=8.0.0 <11.6.4>=12.0.0 <12.1.10>=12.2.0 <12.2.8>=12.3.0 <12.3.6>=12.4.0 <12.4.2
Threat Intelligence
The probability is the direct output of the EPSS model, and conveys an overall sense of the threat of exploitation in the wild. The percentile measures the EPSS probability relative to all known EPSS scores. Note: This data is updated daily, relying on the latest available EPSS model version. Check out the EPSS documentation for more details.
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- published2 Apr 2026
- disclosed27 Mar 2026
- creditUnknown
Introduced: 27 Mar 2026
CVE-2026-27879 Â (opens in a new tab)How to fix?
Upgrade github.com/grafana/grafana/pkg/expr/mathexp to version 11.6.4, 12.1.10, 12.2.8, 12.3.6, 12.4.2 or higher.
Overview
Affected versions of this package are vulnerable to Allocation of Resources Without Limits or Throttling due to the lack of the upsample size in mathexp.Resample query. An attacker can cause the system to crash or become unresponsive by sending specially crafted queries that trigger excessive memory consumption.