CVE-2025-15687
Published:August 12, 2026
Updated:September 01, 2026
A security flaw has been discovered in Open5GS up to 2.7.6. Impacted is the function smf_gx_cca_cb of the component SMF Diameter Gx Credit-Control-Answer Handler. The manipulation results in denial of service. The attack can be launched remotely. The exploit has been released to the public and may be used for attacks. Upgrading to version 2.7.7 is recommended to address this issue. The patch is identified as f23d7a5e959acd8f37b925dc29b85f26b7d391cb. Upgrading the affected component is advised.
Affected Packages
https://github.com/open5gs/open5gs.git (GITHUB):
Affected version(s) >=v0.1.0 <v2.7.7Fix Suggestion:
Update to version v2.7.7Related Resources (12)
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Contact UsCVSS v4
Base Score:
2.1
Attack Vector
NETWORK
Attack Complexity
LOW
Attack Requirements
NONE
Privileges Required
LOW
User Interaction
NONE
Vulnerable System Confidentiality
NONE
Vulnerable System Integrity
NONE
Vulnerable System Availability
LOW
Subsequent System Confidentiality
NONE
Subsequent System Integrity
NONE
Subsequent System Availability
NONE
Exploit Maturity
POC
CVSS v3
Base Score:
4.3
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
LOW
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
NONE
Integrity
NONE
Availability
LOW
Exploit Maturity
PROOF-OF-CONCEPT
Weakness Type (CWE)
Improper Resource Shutdown or Release
EPSS
Base Score:
0.36