VDB-414968 · Submit #994175 · CVE-2026-107166

Open5GS up to 2.7.7 GTP-U Receive Path src/upf/gtp-path.c ogs_pfcp_xact_local_create allocation of resources

CVSS Meta Temp Score CVSS is a standardized scoring system to determine possibilities of attacks. The Temp Score considers temporal factors like disclosure, exploit and countermeasures. The unique Meta Score calculates the average score of different sources to provide a normalized scoring system.	Current Exploit Price (≈) Our analysts are monitoring exploit markets and are in contact with vulnerability brokers. The range indicates the observed or calculated exploit price to be seen on exploit markets. A good indicator to understand the monetary effort required for and the popularity of an attack.	CTI Interest Score Our Cyber Threat Intelligence team is monitoring different web sites, mailing lists, exploit markets and social media networks. The CTI Interest Score identifies the interest of attackers and the security community for this specific vulnerability in real-time. A high score indicates an elevated risk to be targeted for this vulnerability.
4.8	$0-$5k	1.62-

Summaryinfo

A vulnerability categorized as problematic has been discovered in Open5GS up to 2.7.7. This issue affects the function ogs_pfcp_xact_local_create of the file src/upf/gtp-path.c of the component GTP-U Receive Path. Such manipulation leads to allocation of resources. This vulnerability is listed as CVE-2026-107166. The attack may be performed from remote. In addition, an exploit is available. Applying a patch is advised to resolve this issue.

Detailsinfo

A vulnerability was found in Open5GS up to 2.7.7 and classified as problematic. Affected by this issue is the function ogs_pfcp_xact_local_create of the file src/upf/gtp-path.c of the component GTP-U Receive Path. The manipulation with an unknown input leads to a allocation of resources vulnerability. Using CWE to declare the problem leads to CWE-770. The product allocates a reusable resource or group of resources on behalf of an actor without imposing any restrictions on the size or number of resources that can be allocated, in violation of the intended security policy for that actor. Impacted is availability.

The advisory is shared for download at github.com. This vulnerability is handled as CVE-2026-107166. The exploitation is known to be easy. The attack may be launched remotely. No form of authentication is required for exploitation. Technical details as well as a public exploit are known. The MITRE ATT&CK project declares the attack technique as T1499.

The exploit is available at github.com. It is declared as proof-of-concept.

Applying the patch 9ffc252482d9b03ac01abcedbe95497ff4f95dd0 is able to eliminate this problem. The bugfix is ready for download at github.com.

VulDB is the best source for vulnerability data and more expert information about this specific topic.

Productinfo

Name

Open5GS

Version

License

open-source

Website

Product: https://github.com/open5gs/open5gs/

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔒
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 5.3
VulDB Meta Temp Score: 4.8

VulDB Base Score: 5.3
VulDB Temp Score: 4.8
VulDB Vector: 🔒
VulDB Reliability: 🔍

CVSSv2info

AV	AC	Au	C	I	A
💳	💳	💳	💳	💳	💳
💳	💳	💳	💳	💳	💳
💳	💳	💳	💳	💳	💳

Vector	Complexity	Authentication	Confidentiality	Integrity	Availability
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VulDB Base Score: 🔒
VulDB Temp Score: 🔒
VulDB Reliability: 🔍

Exploitinginfo

Class: Allocation of resources
CWE: CWE-770 / CWE-400 / CWE-404
CAPEC: 🔒
ATT&CK: 🔒

Physical: No
Local: No
Remote: Yes

Availability: 🔒
Access: Public
Status: Proof-of-Concept
Download: 🔒
Price Prediction: 🔍
Current Price Estimation: 🔒

0-Day	Unlock	Unlock	Unlock	Unlock
Today	Unlock	Unlock	Unlock	Unlock

Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: Patch
Status: 🔍

0-Day Time: 🔒

Patch: 9ffc252482d9b03ac01abcedbe95497ff4f95dd0

Timelineinfo

10/07/2026 Advisory disclosed
10/07/2026 +0 days VulDB entry created
10/07/2026 +0 days VulDB entry last update

Sourcesinfo

Product: github.com

Advisory: 4792
Status: Confirmed
Confirmation: 🔒

CVE: CVE-2026-107166 (🔒)
GCVE (CVE): GCVE-0-2026-107166
GCVE (VulDB): GCVE-100-414968
scip Labs: https://www.scip.ch/en/?labs.20161013

Entryinfo

Created: 10/07/2026 13:32
Changes: 10/07/2026 13:32 (60)
Complete: 🔍
Submitter: ea1809
Cache ID: 216::103

Submitinfo

Accepted

Submit #994175: Open5GS 2.7.7 Reachable Assertion leading to Remote Denial of Service (by ea1809)