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CVE-2026-4988

LOW

3.7

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.

CVE Details

CVSS v3.1 Score3.7

SeverityLOW

CVSS VectorCVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:L

Attack VectorNETWORK

ComplexityHIGH

Privileges RequiredNONE

User InteractionNONE

Published3/27/2026

Last Modified3/30/2026

Sourcenvd

Honeypot Sightings0

Affected Products

open5gs:open5gs

Weaknesses (CWE)

CWE-404

References

https://github.com/open5gs/open5gs/(cna@vuldb.com)

https://github.com/open5gs/open5gs/issues/4342(cna@vuldb.com)

https://github.com/open5gs/open5gs/issues/4342#issue-4021772232(cna@vuldb.com)

https://vuldb.com/?ctiid.353875(cna@vuldb.com)

https://vuldb.com/?id.353875(cna@vuldb.com)

https://vuldb.com/?submit.771349(cna@vuldb.com)

IOC Correlations

No correlations recorded

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