Signal is active with 1 mentions in latest observed window
Recommended action window: Monitor and triage in normal cycle
NVD description
A vulnerability was determined in Open5GS up to 2.7.6. The affected element is the function smf_gx_cca_cb/smf_gy_cca_cb/smf_s6b_aaa_cb/smf_s6b_sta_cb of the component CCA Handler. This manipulation causes denial of service. The attack can be initiated remotely. The exploit has been publicly disclosed and may be utilized. Upgrading to version 2.7.7 is sufficient to fix this issue. Patch name: 80eb484a6ab32968e755e628b70d1a9c64f012ec. Upgrading the affected component is recommended.
Priority
LOW
Exploitation
NONE
PoC
YES
Patch
AVAILABLE
Momentum
STABLE
If you run products in this scope, you should treat this CVE as relevant to your environment.
| Date | Total | Labels |
|---|
| 2026-03-16 | 1 | Disclosure1 |
| 2026-03-17 | 1 | General1 |
CVE-2026-4240 Denial of Service Vulnerability in Open5GS CCA Handler via Remote Attack https://vulmon.com/vulnerabilitydetails?qid=CVE-2026-4240
Post summary
The post provides a basic vulnerability description and a link to a vulnerability details page but lacks deeper technical or exploit information.
CVE-2026-4240 A vulnerability was determined in Open5GS up to 2.7.6. The affected element is the function smf_gx_cca_cb/smf_gy_cca_cb/smf_s6b_aaa_cb/smf_s6b_sta_cb of the component C… https://www.cve.org/CVERecord?id=CVE-2026-4240
Post summary
CVE‑2026‑4240 was identified in Open5GS up to version 2.7.6, affecting specific SMF callback functions; no PoC, exploit, or patch information was shared.
1 of 1 entries
| Part | Vendor | Product | Version | Target SW | Target HW |
|---|---|---|---|---|---|
| App | open5gs | open5gs | - | - | - |