CVE-2026-1522
A weakness has been identified in Open5GS up to 2.7.6.
Does this matter?
Lower severity and a low EPSS score (0.68%). Track it; it rarely justifies an emergency change on its own.
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 4.0
- 5.5 MEDIUMCVSS: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/M
- EPSS
- 0.68% probability · 50th percentile
- CISA KEV
- Not listed
- Weakness
- CWE-404
- Affected
- open5gs/open5gs
- Source
- cna@vuldb.com
References
- https://github.com/open5gs/open5gs/
- https://github.com/open5gs/open5gs/commit/b19cf6aPatch
- 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
Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.