CVE-2025-63811 Affecting grafana-alloy package, versions <1.11.3-r2
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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Test your applications- Snyk IDSNYK-CHAINGUARDLATEST-GRAFANAALLOY-14041045
- published18 Nov 2025
- disclosed12 Nov 2025
Introduced: 12 Nov 2025
NewCVE-2025-63811 (opens in a new tab)How to fix?
Upgrade Chainguard grafana-alloy to version 1.11.3-r2 or higher.
NVD Description
Note: Versions mentioned in the description apply only to the upstream grafana-alloy package and not the grafana-alloy package as distributed by Chainguard.
See How to fix? for Chainguard relevant fixed versions and status.
An issue was discovered in dvsekhvalnov jose2go 1.5.0 thru 1.7.0 allowing an attacker to cause a Denial-of-Service (DoS) via crafted JSON Web Encryption (JWE) token with an exceptionally high compression ratio.