CVEvulnerability
CVE-2026-4988
2.9 LOW
Official page ↗
- Status
- Analyzed
- Published
- 2026-03-27
- Last modified
- 2026-06-17
- Assigner
- [email protected]
- CVSS 4.0 ([email protected])
- 2.9 LOW — CVSS:4.0/AV:N/AC:H/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])
- 3.7 LOW — CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:L
- CVSS 3.1 ([email protected])
- 5.9 MEDIUM — CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H
- CVSS 2.0 ([email protected])
- 2.6 LOW — AV:N/AC:H/Au:N/C:N/I:N/A:P
- Weaknesses
- CWE-404
Description
A security flaw has been discovered in Open5GS 2.7.6. This issue affects the function smf_gx_cca_cb/smf_gy_cca_cb/smf_s6b of the component CCA Message Handler. The manipulation results in denial of service. The attack may be launched remotely. Attacks of this nature are highly complex. The exploitability is assessed as difficult. The exploit has been released to the public and may be used for attacks.
Affected configurations
• open5gs open5gs 2.7.6
Related
Weakness · CWE (1)
- CWE-404 Improper Resource Shutdown or Release weakness
References
- https://github.com/open5gs/open5gs/ Product
- https://github.com/open5gs/open5gs/issues/4342 Exploit, Issue Tracking
- https://github.com/open5gs/open5gs/issues/4342#issue-4021772232 Issue Tracking
- https://vuldb.com/?ctiid.353875 Permissions Required, VDB Entry
- https://vuldb.com/?id.353875 Third Party Advisory, VDB Entry
- https://vuldb.com/?submit.771349 Exploit, Third Party Advisory, VDB Entry