Home/CVE/A security vulnerability has been detected in Open5GS up to 2.7.6. Impacted is the function sgwc_s11_handle_create_indir
CVE

CVE-2026-1736

A security vulnerability has been detected in Open5GS up to 2.7.6. Impacted is the function sgwc_s11_handle_create_indir

A security vulnerability has been detected in Open5GS up to 2.7.6. Impacted is the function sgwc_s11_handle_create_indirect_data_forwarding_tunnel_request of the file /src/sgwc/s11-handler.c of the component SGWC. Such manipulation leads to reachable assertion.

The attack may be launched remotely. The exploit has been disclosed publicly and may be used. A patch should be applied to remediate this issue.

The issue report is flagged as already-fixed.

MEDIUM · CVSS 5.3 EPSS 0.00052
Schedule remediation
  • Public exploit or PoC is available
  • SSVC automatable: yes - attacks can be scripted at scale
Sigma rules0 YARA rules0
⬡

Weakness Classification

CWE-617Reachable Assertion
▤

Affected Products & Versions

1
open5gs<= 2.7.6
⚠

Public Exploits & PoCs

2
pocgithub.com · 4270github.com
pocgithub.com · 4270#issue-3795141303github.com
▣

Scoring & Timeline

5.3
MEDIUM · CVSS v3.1 · cna@vuldb.com
View on NVD
Attack Vector
Network Adjacent Local Physical
Attack Complexity
Low High
Privileges Required
None Low High
User Interaction
None Required
Scope
Unchanged Changed
Confidentiality
None Low High
Integrity
None Low High
Availability
None Low High
Published to NVD02 Feb 2026 · 01:15 AM
CVSS VectorCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L
SSVC triage · cisa-vulnrichment
Exploitation
poc
Automatable
yes
Technical impact
partial
SSVC asks the questions that actually drive patch urgency: is it being exploited, can attacks be automated, and how total is the impact.
🔗

References & Sources

5
Source URLs (vendor pages, mailing lists, write-ups). Exploit/PoC links are in their own section above to avoid duplication.
https://github.com/open5gs/open5gs/Product
https://github.com/open5gs/open5gs/issues/4270#event-21968624624Issue Tracking
https://vuldb.com/?ctiid.343635Permissions RequiredVDB Entry
https://vuldb.com/?id.343635Third Party AdvisoryVDB Entry
https://vuldb.com/?submit.741191Third Party AdvisoryVDB Entry
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