CVE-2026-1586
MEDIUMopen5gs < 2.7.6 - Denial of Service in SGWC S11 Handler
Title source: llmDescription
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.
References (7)
Core 7
Core References
Third Party Advisory, VDB Entry vdb-entry
technical-description
https://vuldb.com/?id.343349
Permissions Required, VDB Entry signature
permissions-required
https://vuldb.com/?ctiid.343349
Third Party Advisory, VDB Entry, Exploit third-party-advisory
https://vuldb.com/?submit.738375
Exploit, Issue Tracking, Vendor Advisory issue-tracking
https://github.com/open5gs/open5gs/issues/4273
Issue Tracking, Exploit, Vendor Advisory issue-tracking
https://github.com/open5gs/open5gs/issues/4273#event-21968643659
Exploit, Issue Tracking, Vendor Advisory exploit
issue-tracking
https://github.com/open5gs/open5gs/issues/4273#issue-3796030721
Various Sources product
https://github.com/open5gs/open5gs/
Scores
CVSS v3
5.3
EPSS
0.0051
EPSS Percentile
39.2%
Attack Vector
NETWORK
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L
CISA SSVC
Vulnrichment
Exploitation
poc
Automatable
yes
Technical Impact
partial
Details
CWE
CWE-404
Status
published
Products (1)
open5gs/open5gs
< 2.7.6
Published
Jan 29, 2026
Tracked Since
Feb 18, 2026