CVE-2026-4988A security flaw has been discovered in Open5GS 2.7.6.
Updated under an hour ago ()
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No exploitation reported and no EPSS estimate yet.
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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.
- CVSS
- 5.9 MEDIUM (v3.1, NVD)CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H
- Weakness (CWE)
- CWE-404
- Known exploited
- Not in CISA's KEV catalog
- EPSS (exploitation in the next 30 days)
- Not loaded for this CVE
- Assigned by
- Not given
- NVD analysis
- Analyzed
- Record last updated
- Jun 17, 2026
- First seen by InfoSec Signals
- Oct 9, 2026
Affected products
open5gs open5gs open5gs:open5gs | 2.7.6 | NVD |
References
- https://github.com/open5gs/open5gs/product
- https://github.com/open5gs/open5gs/issues/4342exploit, issue-tracking
- https://github.com/open5gs/open5gs/issues/4342#issue-4021772232issue-tracking
- https://vuldb.com/?ctiid.353875permissions-required, vdb-entry
- https://vuldb.com/?id.353875third-party-advisory, vdb-entry
- https://vuldb.com/?submit.771349exploit, third-party-advisory, vdb-entry
The CVE record on cve.org NVD's entry
The CVE record is authoritative. Products marked “from the name” were identified from the CNA's free-text names, not a CPE, and are matched less certainly. This product uses the NVD API but is not endorsed or certified by the NVD.