CVE-2026-8269: Denial of Service in Open5GS
CVE-2026-8269 is a medium severity vulnerability in Open5GS versions up to 2.7.7 affecting the SMF component's smf_nsmf_handle_create_sm_context function. It allows remote denial of service through crafted manipulation. The vulnerability is publicly known and exploitable remotely. No official patch or remediation has been provided by the project as of the publication date.
AI Analysis
Technical Summary
This vulnerability in Open5GS (up to version 2.7.7) impacts the SMF component, specifically the smf_nsmf_handle_create_sm_context function. An attacker can remotely manipulate inputs to cause a denial of service condition. The vulnerability has a CVSS 4.0 base score of 5.3, indicating medium severity. Although the issue was reported early to the project, no response or fix has been issued. Exploit details have been made public, but there are no confirmed exploits observed in the wild.
Potential Impact
Successful exploitation results in denial of service of the SMF component in Open5GS, potentially disrupting service availability. The attack can be performed remotely without user interaction and requires low privileges. There is no indication of data confidentiality or integrity impact. The vulnerability could affect network functions relying on Open5GS SMF, causing service interruptions.
Mitigation Recommendations
No official patch or remediation is currently available from the vendor or project. Users should monitor the Open5GS project for updates or advisories. Until a fix is released, consider implementing network-level protections to limit access to the SMF component from untrusted sources. Patch status is not yet confirmed — check the vendor advisory for current remediation guidance.
CVE-2026-8269: Denial of Service in Open5GS
Description
CVE-2026-8269 is a medium severity vulnerability in Open5GS versions up to 2.7.7 affecting the SMF component's smf_nsmf_handle_create_sm_context function. It allows remote denial of service through crafted manipulation. The vulnerability is publicly known and exploitable remotely. No official patch or remediation has been provided by the project as of the publication date.
CVSS v4.0
Score 5.3medium
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 SMF component, specifically the smf_nsmf_handle_create_sm_context function. An attacker can remotely manipulate inputs to cause a denial of service condition. The vulnerability has a CVSS 4.0 base score of 5.3, indicating medium severity. Although the issue was reported early to the project, no response or fix has been issued. Exploit details have been made public, but there are no confirmed exploits observed in the wild.
Potential Impact
Successful exploitation results in denial of service of the SMF component in Open5GS, potentially disrupting service availability. The attack can be performed remotely without user interaction and requires low privileges. There is no indication of data confidentiality or integrity impact. The vulnerability could affect network functions relying on Open5GS SMF, causing service interruptions.
Mitigation Recommendations
No official patch or remediation is currently available from the vendor or project. Users should monitor the Open5GS project for updates or advisories. Until a fix is released, consider implementing network-level protections to limit access to the SMF component from untrusted sources. Patch status is not yet confirmed — check the vendor advisory for current remediation guidance.
Technical Details
- Data Version
- 5.2
- Assigner Short Name
- VulDB
- Date Reserved
- 2026-05-10T15:44:31.588Z
- Cvss Version
- 4.0
- State
- PUBLISHED
- Remediation Level
- null
Threat ID: 6a01604ccbff5d861079fca3
Added to database: 05/11/2026, 04:51:24 UTC
Last enriched: 05/18/2026, 10:44:26 UTC
Last updated: 07/31/2026, 19:23:00 UTC
Views: 76
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