CVEvulnerability
CVE-2026-2521
5.5 MEDIUM
Official page ↗
- Status
- Analyzed
- Published
- 2026-02-15
- Last modified
- 2026-06-17
- Assigner
- [email protected]
- CVSS 4.0 ([email protected])
- 5.5 MEDIUM — CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N/E:P/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
- CVSS 3.1 ([email protected])
- 5.3 MEDIUM — CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L
- CVSS 3.1 ([email protected])
- 9.8 CRITICAL — CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
- CVSS 2.0 ([email protected])
- 5.0 MEDIUM — AV:N/AC:L/Au:N/C:N/I:N/A:P
- Weaknesses
- CWE-119
Description
A weakness has been identified in Open5GS up to 2.7.6. This issue affects the function sgwc_s5c_handle_create_session_response of the component SGW-C. Executing a manipulation can lead to memory corruption. The attack may be performed from remote. The exploit has been made available to the public and could be used for attacks. The project was informed of the problem early through an issue report but has not responded yet.
Affected configurations
• open5gs open5gs (<= 2.7.6)
Related
Weakness · CWE (1)
- CWE-119 Improper Restriction of Operations within the Bounds of a Memory Buffer weakness
References
- https://github.com/open5gs/open5gs/ Product
- https://github.com/open5gs/open5gs/issues/4282 Exploit, Issue Tracking, Vendor Advisory
- https://github.com/open5gs/open5gs/issues/4282#issue-3807902188 Exploit, Issue Tracking, Vendor Advisory
- https://vuldb.com/?ctiid.346109 Permissions Required, VDB Entry
- https://vuldb.com/?id.346109 Third Party Advisory, VDB Entry
- https://vuldb.com/?submit.738334 Third Party Advisory, VDB Entry