CVE-2026-8187: Resource Consumption in Open5GS
A flaw has been found in Open5GS up to 2.7.7. This impacts the function _gtpv1_u_recv_cb of the file src/upf/gtp-path.c of the component UPF. Executing a manipulation can lead to resource consumption. The attack may be performed from remote. The project was informed of the problem early through an issue report but has not responded yet.
AI Analysis
Technical Summary
This vulnerability in Open5GS (up to version 2.7.7) impacts the function _gtpv1_u_recv_cb within the src/upf/gtp-path.c file of the User Plane Function (UPF) component. A remote attacker can manipulate input to trigger excessive resource consumption, potentially degrading service availability. The vulnerability has a CVSS 4.0 base score of 6.9, indicating medium severity. No official patch or remediation guidance has been published by the vendor as of now.
Potential Impact
Successful exploitation can lead to resource exhaustion on the affected Open5GS UPF component, which may degrade or disrupt service availability. No evidence of privilege escalation, data confidentiality, or integrity impact is indicated. No known active exploitation has been reported.
Mitigation Recommendations
Patch status is not yet confirmed — check the vendor advisory for current remediation guidance. Since the project has not responded or released a fix, users should monitor official Open5GS channels for updates. In the meantime, consider limiting exposure of the UPF service to untrusted networks to reduce risk.
CVE-2026-8187: Resource Consumption in Open5GS
Description
A flaw has been found in Open5GS up to 2.7.7. This impacts the function _gtpv1_u_recv_cb of the file src/upf/gtp-path.c of the component UPF. Executing a manipulation can lead to resource consumption. The attack may be performed from remote. The project was informed of the problem early through an issue report but has not responded yet.
CVSS v4.0
Score 6.9medium
Affected software
pkg:github/open5gs/open5gsRun on your own infrastructure? Check whether these packages are installed with threat-finder — our free open-source scanner.
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
This vulnerability in Open5GS (up to version 2.7.7) impacts the function _gtpv1_u_recv_cb within the src/upf/gtp-path.c file of the User Plane Function (UPF) component. A remote attacker can manipulate input to trigger excessive resource consumption, potentially degrading service availability. The vulnerability has a CVSS 4.0 base score of 6.9, indicating medium severity. No official patch or remediation guidance has been published by the vendor as of now.
Potential Impact
Successful exploitation can lead to resource exhaustion on the affected Open5GS UPF component, which may degrade or disrupt service availability. No evidence of privilege escalation, data confidentiality, or integrity impact is indicated. No known active exploitation has been reported.
Mitigation Recommendations
Patch status is not yet confirmed — check the vendor advisory for current remediation guidance. Since the project has not responded or released a fix, users should monitor official Open5GS channels for updates. In the meantime, consider limiting exposure of the UPF service to untrusted networks to reduce risk.
Technical Details
- Data Version
- 5.2
- Assigner Short Name
- VulDB
- Date Reserved
- 2026-05-08T19:47:09.540Z
- Cvss Version
- 4.0
- State
- PUBLISHED
- Remediation Level
- null
Threat ID: 69ff1530cbff5d8610070a07
Added to database: 05/09/2026, 11:06:24 UTC
Last enriched: 05/17/2026, 10:47:11 UTC
Last updated: 07/31/2026, 19:23:00 UTC
Views: 134
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