CVE-2026-94043: Race Condition in Free5GC
CVE-2026-94043 is a race condition vulnerability in Free5GC affecting versions 4.2.0 through 4.2.3. The flaw exists in the Gmm Handler component within the file handler.go. This vulnerability can be exploited remotely and has a medium severity rating with a CVSS score of 6.9. A patch identified by commit e323b01464355781b8b8d5dd695e05cbc00a62f2 is recommended to remediate the issue.
AI Analysis
Technical Summary
This vulnerability in Free5GC up to version 4.2.3 involves a race condition in the Gmm Handler component, specifically in the file /corefuzzer_deps/free5gc/NFs/amf/internal/gmm/handler.go. The race condition can be triggered remotely, potentially leading to unintended behavior or state corruption. The vulnerability has been assigned CVE-2026-94043 and carries a CVSS 4.0 base score of 6.9, indicating medium severity. A patch is available under the commit identifier e323b01464355781b8b8d5dd695e05cbc00a62f2 to fix this issue.
Potential Impact
The race condition vulnerability can be exploited remotely without authentication, which may lead to inconsistent or corrupted state within the affected component. The CVSS vector indicates no user interaction or privileges are required, but the impact is limited to low-level availability impact. No known exploits are reported in the wild at this time.
Mitigation Recommendations
A patch is available to remediate this vulnerability, identified by commit e323b01464355781b8b8d5dd695e05cbc00a62f2. It is recommended to apply this patch to affected Free5GC versions 4.2.0 through 4.2.3 to eliminate the race condition. No additional vendor advisory content is provided, so check official Free5GC sources for the patch details and deployment instructions.
CVE-2026-94043: Race Condition in Free5GC
Description
CVE-2026-94043 is a race condition vulnerability in Free5GC affecting versions 4.2.0 through 4.2.3. The flaw exists in the Gmm Handler component within the file handler.go. This vulnerability can be exploited remotely and has a medium severity rating with a CVSS score of 6.9. A patch identified by commit e323b01464355781b8b8d5dd695e05cbc00a62f2 is recommended to remediate the issue.
CVSS v4.0
Score 6.9medium
Affected software
Free5GC
pkg:github/free5gc/free5gccpe:2.3:a:free5gc:free5gc:*:*:*:*:*:*:*:*Run 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 Free5GC up to version 4.2.3 involves a race condition in the Gmm Handler component, specifically in the file /corefuzzer_deps/free5gc/NFs/amf/internal/gmm/handler.go. The race condition can be triggered remotely, potentially leading to unintended behavior or state corruption. The vulnerability has been assigned CVE-2026-94043 and carries a CVSS 4.0 base score of 6.9, indicating medium severity. A patch is available under the commit identifier e323b01464355781b8b8d5dd695e05cbc00a62f2 to fix this issue.
Potential Impact
The race condition vulnerability can be exploited remotely without authentication, which may lead to inconsistent or corrupted state within the affected component. The CVSS vector indicates no user interaction or privileges are required, but the impact is limited to low-level availability impact. No known exploits are reported in the wild at this time.
Mitigation Recommendations
A patch is available to remediate this vulnerability, identified by commit e323b01464355781b8b8d5dd695e05cbc00a62f2. It is recommended to apply this patch to affected Free5GC versions 4.2.0 through 4.2.3 to eliminate the race condition. No additional vendor advisory content is provided, so check official Free5GC sources for the patch details and deployment instructions.
Technical Details
- Data Version
- 5.2
- Assigner Short Name
- VulDB
- Date Reserved
- 2026-09-19T21:20:27.268Z
- Cvss Version
- 4.0
- State
- PUBLISHED
Threat ID: 6ab05a5e55bf5e2cf5988bcb
Added to database: 09/20/2026, 22:12:46 UTC
Last enriched: 09/20/2026, 22:13:35 UTC
Last updated: 09/21/2026, 01:48:55 UTC
Views: 4
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