Reachable Assertion Affecting open5gs/open5gs package, versions [,2.7.6)
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-OPEN5GSOPEN5GS-16353422
- published3 May 2026
- disclosed30 Apr 2026
- creditUnknown
Introduced: 30 Apr 2026
CVE-2025-56568 (opens in a new tab)How to fix?
Upgrade open5gs/open5gs to version 2.7.6 or higher.
Overview
Affected versions of this package are vulnerable to Reachable Assertion through the PCO parser in the SMF component when processing NGAP messages containing malformed length fields in protocol configuration data. An attacker can cause the process to terminate unexpectedly by sending specially crafted messages.