CVE-2026-107166: DoS (CVSS 5.3)

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.

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CVSS v3.1 Score

5.3

MEDIUM

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

Weakness Type (CWE)

CWE-400 Uncontrolled Resource Consumption

CWE-770 CWE-770

References

Other References

https://github.com/open5gs/open5gs/ https://github.com/open5gs/open5gs/commit/9ffc252482d9b03ac01abcedbe95497ff4f95dd0 https://github.com/open5gs/open5gs/issues/4792 https://github.com/open5gs/open5gs/pull/4806 https://vuldb.com/cve/CVE-2026-107166 https://vuldb.com/submit/994175 https://vuldb.com/vuln/414968 https://vuldb.com/vuln/414968/cti

Frequently Asked Questions

What is CVE-2026-107166? +

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. It has a CVSS v3.1 base score of 5.3 (MEDIUM).

How severe is CVE-2026-107166? +

CVE-2026-107166 has a CVSS v3.1 score of 5.3 out of 10, rated MEDIUM. This is a medium-severity vulnerability that should be remediated as part of regular maintenance.

How do I check if I'm vulnerable to CVE-2026-107166? +

You can use Secably's free Website Scanner to check your website for known vulnerabilities. For infrastructure scanning, use the Port Scanner to identify exposed services that may be affected. Check the vendor advisories linked above for specific patch and version information.

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