CVE-2026-1522
Last modified
CVE-2026-1522 is a high-severity vulnerability rated 7.5/10 on the CVSS scale. 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. EPSS estimates a 0.66% chance of exploitation in the next 30 days.
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.
Metrics
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N/E:P/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
Weakness Enumeration
Affected Software
| Vendor | Product | Versions |
|---|---|---|
| Open5gs | Open5gs | <= 2.7.6 |
References
- https://github.com/open5gs/open5gs/issues/4266Exploit, Issue Tracking, Patch, Vendor Advisory
- https://github.com/open5gs/open5gs/issues/4266#event-21968568116Exploit, Issue Tracking, Patch
- https://github.com/open5gs/open5gs/issues/4266#issue-3794991595Exploit, Issue Tracking, Patch, Vendor Advisory
- https://vuldb.com/?ctiid.343193Permissions Required, VDB Entry
- https://vuldb.com/?id.343193Third Party Advisory, VDB Entry
- https://vuldb.com/?submit.738371Exploit, Third Party Advisory, VDB Entry
Timeline
- Published
- Last Modified
- Status
- Modified
Frequently Asked Questions
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How Strix Helps
- How Strix found a critical auth bypass in etcdStrix autonomously discovered a critical authentication bypass in etcd, later designated CVE-2026-33413.
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