CVE-2025-15686CWE-404

CVE-2025-15686

Medium · published August 12, 2026

CVSS v3.1
4.3
EPSS
1%
Percentile
44.2
In the wild
Unconfirmed
What it is

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.

The record
Technical detail
CVSS v3.1
4.3 · MEDIUM
Vector
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L
CVSS v4.0
Not supplied
EPSS
0.00533 · 44.2th percentile
Weakness
CWE-404 · Improper Resource Shutdown or Release
Published
2026-08-12T07:16Z
References (7)
https://github.com/open5gs/open5gs/ · [email protected]https://github.com/open5gs/open5gs/issues/4190 · [email protected]https://github.com/user-attachments/files/23847497/HSS_ULR_error_poc.pcapng.zip · [email protected]https://vuldb.com/cve/CVE-2025-15686 · [email protected]https://vuldb.com/submit/867104 · [email protected]https://vuldb.com/vuln/387279 · [email protected]https://vuldb.com/vuln/387279/cti · [email protected]
EPSS history
Timeline
  • 12 AUG 02:30Z
    Open5GS HSS Service fd_msg_sess_get denial of service
    cvelistv5