Reachable Assertion Affecting valkey-io/valkey package, versions [9.0.0,9.0.3)
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-UNMANAGED-VALKEYIOVALKEY-15357989
- published26 Feb 2026
- disclosed23 Feb 2026
- creditdBransky, eliyacohen-hub
Introduced: 23 Feb 2026
CVE-2026-27623 (opens in a new tab)How to fix?
Upgrade valkey-io/valkey to version 9.0.3 or higher.
Overview
Affected versions of this package are vulnerable to Reachable Assertion while processing an empty request. An attacker can cause the server to terminate by sending a malformed network request.