CVE-2026-7583

MEDIUM 4.3

Open5GS BSF context.c bsf_sess_find_by_ipv6prefix denial of service

CVSS Score

4.3

EPSS Score

0.0%

EPSS Percentile

0th

A flaw has been found in Open5GS up to 2.7.7. This issue affects the function bsf_sess_find_by_ipv6prefix of the file /src/bsf/context.c of the component BSF. This manipulation of the argument ipv6Prefix causes denial of service. It is possible to initiate the attack remotely. The exploit has been published and may be used. The project was informed of the problem early through an issue report but has not responded yet.

CWE	CWE-404
Vendor	n/a
Product	open5gs
Published	May 1, 2026

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CVSS v3 Breakdown

CVSS:3.1/AV:N/AC:L/PR:L/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/360530 vuldb.com: https://vuldb.com/vuln/360530/cti vuldb.com: https://vuldb.com/submit/804322 github.com: https://github.com/open5gs/open5gs/issues/4401 github.com: https://github.com/open5gs/open5gs/

Credits

🔍 ZiyuLin (VulDB User) VulDB CNA Team