CVE-2026-107166

Open5GS GTP-U Receive Path gtp-path.c ogs_pfcp_xact_local_create allocation of resources

State: Published
Severity: 6.9 Medium
Published: Oct 7, 2026
Updated: Oct 7, 2026
Reserved: Oct 7, 2026

Description

A weakness has been identified in Open5GS up to 2.7.7. This vulnerability affects the function ogs_pfcp_xact_local_create of the file src/upf/gtp-path.c of the component GTP-U Receive Path. This manipulation causes allocation of resources. The attack is possible to be carried out remotely. The exploit has been made available to the public and could be used for attacks. Patch name: 9ffc252482d9b03ac01abcedbe95497ff4f95dd0. It is recommended to apply a patch to fix this issue.

Scores

CVSS	Score	Vector	Source
4.0	6.9 Medium	CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N/E:P	VulDB
3.1	5.3 Medium	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	VulDB
3.0	5.3 Medium	CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L/E:P/RL:O/RC:C	VulDB
2.0	5.0 Medium	AV:N/AC:L/Au:N/C:N/I:N/A:P/E:POC/RL:OF/RC:C	VulDB

Weaknesses

CWE-770 Allocation of Resources
CWE-400 Resource Consumption

Affected Products

Product	Versions
Open5GSn/a	2.7.0Affected 2.7.1Affected 2.7.2Affected 2.7.3Affected 2.7.4Affected 2.7.5Affected 2.7.6Affected 2.7.7Affected

References

VDB-414968 | Open5GS GTP-U Receive Path gtp-path.c ogs_pfcp_xact_local_create allocation of resourcesvdb-entrytechnical-description
VDB-414968 | CTI Indicators (IOB, IOC, TTP, IOA)signaturepermissions-required
CVE-2026-107166 | CVE Analysis and Reportthird-party-advisory
Submit #994175 | Open5GS 2.7.7 Reachable Assertion leading to Remote Denial of Servicethird-party-advisory
https://github.com/open5gs/open5gs/issues/4792exploitissue-tracking
https://github.com/open5gs/open5gs/pull/4806issue-trackingpatch
https://github.com/open5gs/open5gs/commit/9ffc252482d9b03ac01abcedbe95497ff4f95dd0patch
https://github.com/open5gs/open5gs/product

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