Medium 5.3Published Jan 29, 2026

CVE-2026-1586Open5GS SGWC s11-handler.c ogs_gtp2_f_teid_to_ip denial of service

Updated under an hour ago (Oct 28, 2026, 5:50 AM ET)

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It affects n/a Open5GS. Add what you run to find out whether that includes you.

No exploitation reported and no EPSS estimate yet.

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Every CVE for n/a Open5GS

Exploited in the last 30 days

A flaw has been found in Open5GS up to 2.7.5. Impacted is the function ogs_gtp2_f_teid_to_ip of the file /sgwc/s11-handler.c of the component SGWC. Executing a manipulation can lead to denial of service. The attack may be performed from remote. The exploit has been published and may be used. It is advisable to implement a patch to correct this issue. The issue report is flagged as already-fixed.

CVSS: 5.3 MEDIUM (v3.1, CNA)CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L/E:P/RL:O/RC:C
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: VulDB
NVD analysis: Modified
Record last updated: Feb 23, 2026
First seen by InfoSec Signals: Oct 9, 2026

Affected products

Affected products

n/a Open5GS open5gs:open5gs	2.7.0; 2.7.1; 2.7.2; 2.7.3; 2.7.4; 2.7.5	CNA record
open5gs open5gs open5gs:open5gs	before 2.7.6	NVD

References

References

https://vuldb.com/?id.343349	vdb-entry, technical-description, third-party-advisory
https://vuldb.com/?ctiid.343349	signature, permissions-required, vdb-entry
https://vuldb.com/?submit.738375	third-party-advisory, exploit, vdb-entry
https://github.com/open5gs/open5gs/issues/4273	issue-tracking, exploit, vendor-advisory
https://github.com/open5gs/open5gs/issues/4273#event-21968643659	issue-tracking, exploit, vendor-advisory
https://github.com/open5gs/open5gs/issues/4273#issue-3796030721	exploit, issue-tracking, vendor-advisory
https://github.com/open5gs/open5gs/	product

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.