CVE-2025-15686
mediumpriority · track · 0EPSS 0.005 · 45 %ileEUEPSS · scored 2026-10-28
A vulnerability has been found in Open5GS up to 2.7.6. Affected by this issue is the function fd_msg_sess_get of the component HSS Service. Such manipulation of the argument Session-Id leads to denial of service. The attack may be performed from remote. The exploit has been disclosed to the public and may be used. The project locked and limited conversation to collaborators.
cvss
Technical severity, 0–10. One row per scoring source.
base score 0–10 · higher = more severe · hover a vector to decode⚠ sources disagree · low–medium · 1.3–5.3
ssvc
A stakeholder decision — act, attend, or track — from exploitation and impact.
weaknesses
The CWE weakness classes this flaw belongs to.
affected products (7)
Products and version ranges known to be affected.
also known as (3)
Other names and identifiers for this entity.
sources
Which sources assert this record, and when.
references (22)
External citations — patches, advisories, analysis.
- https://github.com/open5gs/open5gs/cnnvd
- https://github.com/open5gs/open5gs/issues/4190cnnvd
- https://github.com/open5gs/open5gs/releasesPatchcnnvd
- https://github.com/user-attachments/files/23847497/HSS_ULR_error_poc.pcapng.zipcnnvd
- https://vuldb.com/cve/CVE-2025-15686cnnvd
- https://vuldb.com/submit/867104cnnvd
- https://vuldb.com/vuln/387279cnnvd
- https://vuldb.com/vuln/387279/cticnnvd
Attackers weaponise vulnerabilities like this against internet-exposed services. See what is exposed on your perimeter with a free passive scan.
Free scan