Vulnerability Description
A weakness has been identified in Open5GS up to 2.7.6. This vulnerability affects the function sgwc_s5c_handle_modify_bearer_response of the file src/sgwc/s5c-handler.c of the component SGWC. Executing a manipulation can lead to denial of service. The attack can be launched remotely. The exploit has been made available to the public and could be used for attacks. This patch is called b19cf6a. Applying a patch is advised to resolve this issue. The issue report is flagged as already-fixed.
CVSS Score
MEDIUM
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Open5Gs | Open5Gs | <= 2.7.6 |
Related Weaknesses (CWE)
References
- https://github.com/open5gs/open5gs/
- https://github.com/open5gs/open5gs/commit/b19cf6aPatch
- https://github.com/open5gs/open5gs/issues/4266ExploitIssue TrackingPatch
- https://github.com/open5gs/open5gs/issues/4266#event-21968568116ExploitIssue TrackingPatch
- https://github.com/open5gs/open5gs/issues/4266#issue-3794991595ExploitIssue TrackingPatch
- https://vuldb.com/?ctiid.343193Permissions RequiredVDB Entry
- https://vuldb.com/?id.343193Third Party AdvisoryVDB Entry
- https://vuldb.com/?submit.738371ExploitThird Party AdvisoryVDB Entry
FAQ
What is CVE-2026-1522?
CVE-2026-1522 is a vulnerability with a CVSS score of 5.3 (MEDIUM). A weakness has been identified in Open5GS up to 2.7.6. This vulnerability affects the function sgwc_s5c_handle_modify_bearer_response of the file src/sgwc/s5c-handler.c of the component SGWC. Executin...
How severe is CVE-2026-1522?
CVE-2026-1522 has been rated MEDIUM with a CVSS base score of 5.3/10. Review the CVSS metrics above for detailed severity breakdown.
Is there a patch for CVE-2026-1522?
Check the references section above for vendor advisories and patch information. Affected products include: Open5Gs Open5Gs.