CVE-2025-56568

CVSS 7.5 HIGHEPSS 0.3%CWE-617

Vexday Risk Score

21Low

SSVC decision (CISA)

Track

No exploitation signal → monitor

CVSS 7.5EPSS 0.3%KEV nãoPoC —Nuclei —Metasploit —Patch —

Lifecycle

30 Apr 2026Published on NVD

Recommendation: Monitor — no exploitation signal at the moment.

Assertion failure vulnerability in the PCO (Protocol Configuration Options) parser in the SMF (Session Management Function) component of Open5GS before v2.7.5 allows remote attackers to cause denial of service via specially crafted NGAP messages containing malformed length fields in protocol configuration data.

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Affected products

n/a · n/a

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References

https://github.com/open5gs/open5gs/commit/d7707879c943d2c952235382154d835b5849d54e https://github.com/open5gs/open5gs/issues/3969