Vulnerability Description
A vulnerability has been found in Open5GS up to 2.7.6. The affected element is the function sgwc_s11_handle_modify_bearer_request of the file /sgwc/s11-handler.c of the component SGWC. The manipulation leads to denial of service. It is possible to initiate the attack remotely. The exploit has been disclosed to the public and may be used. Applying a patch is the recommended action to fix 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/issues/4272ExploitIssue TrackingVendor Advisory
- https://github.com/open5gs/open5gs/issues/4272#event-21968635948ExploitIssue TrackingVendor Advisory
- https://github.com/open5gs/open5gs/issues/4272#issue-3795156752ExploitIssue TrackingVendor Advisory
- https://vuldb.com/?ctiid.343350Permissions RequiredVDB Entry
- https://vuldb.com/?id.343350Third Party AdvisoryVDB Entry
- https://vuldb.com/?submit.738376ExploitThird Party AdvisoryVDB Entry
FAQ
What is CVE-2026-1587?
CVE-2026-1587 is a vulnerability with a CVSS score of 5.3 (MEDIUM). A vulnerability has been found in Open5GS up to 2.7.6. The affected element is the function sgwc_s11_handle_modify_bearer_request of the file /sgwc/s11-handler.c of the component SGWC. The manipulatio...
How severe is CVE-2026-1587?
CVE-2026-1587 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-2026-1587?
Check the references section above for vendor advisories and patch information. Affected products include: Open5Gs Open5Gs.