CVE-2026-7780: Denial of Service in Open5GS
CVE-2026-7780 is a medium-severity denial of service vulnerability in Open5GS versions up to 2. 7. 7. It affects the function udm_state_operational in the smf-registrations endpoint component. The vulnerability can be exploited remotely without user interaction or elevated privileges. Although a public exploit exists, the Open5GS project has not yet responded or issued a patch. No official remediation or workaround is currently available.
AI Analysis
Technical Summary
This vulnerability in Open5GS (up to version 2.7.7) involves the udm_state_operational function within the smf-registrations endpoint component, specifically in the source file /src/udm/udm-sm.c. An attacker can remotely manipulate this function to cause a denial of service condition. The vulnerability has a CVSS 4.0 base score of 5.3, indicating medium severity, with network attack vector, low attack complexity, no privileges or user interaction required, and partial impact on availability. The Open5GS project has been informed but has not yet provided a fix or official response.
Potential Impact
Successful exploitation results in denial of service, potentially disrupting the availability of the Open5GS service. The attack can be performed remotely without authentication or user interaction. There is no indication of confidentiality or integrity impact. No known exploits are reported in the wild beyond the publicly available proof-of-concept code.
Mitigation Recommendations
No official patch or remediation is currently available from the vendor. The Open5GS project has not responded to the issue report. Users should monitor the vendor's advisories for updates and consider implementing network-level protections to limit exposure of the vulnerable endpoint until a fix is released.
CVE-2026-7780: Denial of Service in Open5GS
Description
CVE-2026-7780 is a medium-severity denial of service vulnerability in Open5GS versions up to 2. 7. 7. It affects the function udm_state_operational in the smf-registrations endpoint component. The vulnerability can be exploited remotely without user interaction or elevated privileges. Although a public exploit exists, the Open5GS project has not yet responded or issued a patch. No official remediation or workaround is currently available.
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
This vulnerability in Open5GS (up to version 2.7.7) involves the udm_state_operational function within the smf-registrations endpoint component, specifically in the source file /src/udm/udm-sm.c. An attacker can remotely manipulate this function to cause a denial of service condition. The vulnerability has a CVSS 4.0 base score of 5.3, indicating medium severity, with network attack vector, low attack complexity, no privileges or user interaction required, and partial impact on availability. The Open5GS project has been informed but has not yet provided a fix or official response.
Potential Impact
Successful exploitation results in denial of service, potentially disrupting the availability of the Open5GS service. The attack can be performed remotely without authentication or user interaction. There is no indication of confidentiality or integrity impact. No known exploits are reported in the wild beyond the publicly available proof-of-concept code.
Mitigation Recommendations
No official patch or remediation is currently available from the vendor. The Open5GS project has not responded to the issue report. Users should monitor the vendor's advisories for updates and consider implementing network-level protections to limit exposure of the vulnerable endpoint until a fix is released.
Technical Details
- Data Version
- 5.2
- Assigner Short Name
- VulDB
- Date Reserved
- 2026-05-04T15:50:19.524Z
- Cvss Version
- 4.0
- State
- PUBLISHED
- Remediation Level
- null
Threat ID: 69f91c23cbff5d8610512c2e
Added to database: 5/4/2026, 10:22:27 PM
Last enriched: 5/4/2026, 10:36:23 PM
Last updated: 5/4/2026, 11:35:28 PM
Views: 4
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