{"cve":"CVE-2025-15686","nvd":{"published":"2026-08-12T03:16:42.600","modified":"2026-09-29T11:10:00.150","status":"Deferred","description":"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_v4":{"vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N/E:P","score":2.1},"cvss_v3":{"version":"3.1","vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L","score":4.3},"cwes":["CWE-404"],"references":["https://github.com/open5gs/open5gs/","https://github.com/open5gs/open5gs/issues/4190","https://github.com/user-attachments/files/23847497/HSS_ULR_error_poc.pcapng.zip","https://vuldb.com/cve/CVE-2025-15686","https://vuldb.com/submit/867104"],"products":[],"source":"nvd","synced_at":"2026-10-19T22:48:17.459049833+00:00"},"epss":{"cve":"CVE-2025-15686","score":0.00533,"percentile":0.45016,"date":"2026-10-31"},"kev":null,"osv":[],"attribution":["This product uses the NVD API but is not endorsed or certified by the NVD.","EPSS scores: FIRST Exploit Prediction Scoring System, https://www.first.org/epss","Known exploited vulnerabilities: CISA Known Exploited Vulnerabilities Catalog, https://www.cisa.gov/known-exploited-vulnerabilities-catalog","Package advisories: OSV (https://osv.dev), from the GitHub Advisory Database, PyPA, Go, RustSec and other ecosystem databases, under CC-BY 4.0 or CC0","CVE records: the CVE Program's CVE List (https://www.cve.org), under its terms of use (https://www.cve.org/Legal/TermsOfUse). CVE is a registered trademark of The MITRE Corporation; this product is not affiliated with the CVE Program."]}