What’s Vulnerable › Vulnerabilities

CVE-2026-10156: Open5GS nf-instances Endpoint nnrf-handler.c handle_amf_info resource consumption

• Severity: medium (CVSS 4.3 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.3% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2026-05-31 · updated 2026-07-22
• Weakness: CWE-400

Description

A vulnerability was determined in Open5GS up to 2.7.7. This affects the function handle_amf_info in the library /lib/sbi/nnrf-handler.c of the component nf-instances Endpoint. Executing a manipulation of the argument nf_info_pool can lead to resource consumption. The attack may be performed from remote. The exploit has been publicly disclosed and may be utilized. Applying a patch is advised to resolve this issue. The issue report is flagged as already-fixed.

Affected products

• Open5GS: 2.7.0, 2.7.1, 2.7.2, 2.7.3, 2.7.4, 2.7.5 (+2)

References

• https://github.com/open5gs/open5gs/
• https://github.com/open5gs/open5gs/issues/4480
• https://vuldb.com/submit/818598
• https://vuldb.com/vuln/367409
• https://vuldb.com/vuln/367409/cti

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