CVE-2026-71676

HighCVSS 7.5

Published: 18/08/2026(UTC)Updated: 19/08/2026(UTC)Translated: 19/08/2026(UTC)NVD NIST

Exploitation Probability (EPSS)

Low risk

0.18%

8th percentile - higher than 8% of all known CVEs

Summary

Buffer overflow vulnerability in Open5GS v.2.7.0 allows a remote attacker to cause a denial of service via the NAS 5GS decoder chain, triggered when the message type byte of a NAS PDU is mutated.

Risk Assessment

An attacker can remotely crash the system, leading to disruption of network services.

Recommendation

Update Open5GS to the latest patched version and monitor vulnerability advisories.

Original NVD description (English source)

Buffer Overflow vulnerability in Open5GS v.2.7.0 allows a remote attacker to cause a denial of service via the NAS 5GS decoder chain, triggered when the message type byte of a NAS PDU is mutated