CVE-2026-8224

MEDIUM 5.3

Open5GS PCF context.c pcf_sess_set_ipv6prefix denial of service

CVSS Score

5.3

EPSS Score

0.0%

EPSS Percentile

13th

A vulnerability was determined in Open5GS up to 2.7.7. Affected by this issue is the function pcf_sess_set_ipv6prefix of the file /src/pcf/context.c of the component PCF. Executing a manipulation of the argument SmPolicyContextData.ipv6AddressPrefix can lead to denial of service. It is possible to launch the attack remotely. The exploit has been publicly disclosed and may be utilized. The vendor was contacted early about this disclosure but did not respond in any way.

CWE	CWE-404
Vendor	n/a
Product	open5gs
Published	May 10, 2026
Last Updated	May 11, 2026

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CVSS v3 Breakdown

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L/E:P/RL:X/RC:R

Attack Vector

Attack Complexity

Privileges Required

User Interaction

Scope

Confidentiality

Integrity

Availability

Affected Versions

n/a / Open5GS

2.7.0 2.7.1 2.7.2 2.7.3 2.7.4 2.7.5 2.7.6 2.7.7

References

NVD ↗ CVE.org ↗ EPSS Data ↗

vuldb.com: https://vuldb.com/vuln/362441 vuldb.com: https://vuldb.com/vuln/362441/cti vuldb.com: https://vuldb.com/submit/808443 github.com: https://github.com/open5gs/open5gs/issues/4439 github.com: https://github.com/open5gs/open5gs/

Credits

🔍 LinZiyu (VulDB User) VulDB CNA Team