CVE-2026-1522
Open5GS SGWC s5c-handler.c sgwc_s5c_handle_modify_bearer_response denial of service
CVSS Score
5.3
EPSS Score
0.0%
EPSS Percentile
0th
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.
| CWE | CWE-404 |
| Vendor | n/a |
| Product | open5gs |
| Published | Jan 28, 2026 |
| Last Updated | Feb 23, 2026 |
Stay Ahead of the Next One
Get instant alerts for n/a open5gs
Be the first to know when new medium vulnerabilities affecting n/a open5gs are published — delivered to Slack, Telegram or Discord.
Get Free Alerts →
Free · No credit card · 60 sec setup
CVSS v3 Breakdown
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L/E:P/RL:O/RC:C Attack Vector
Attack Complexity
Privileges Required
User Interaction
Scope
Confidentiality
Integrity
Availability
Affected Versions
n/a / Open5GS
2.7.0 2.7.1 2.7.2 2.7.3 2.7.4 2.7.5 2.7.6
References
vuldb.com: https://vuldb.com/?id.343193 vuldb.com: https://vuldb.com/?ctiid.343193 vuldb.com: https://vuldb.com/?submit.738371 github.com: https://github.com/open5gs/open5gs/issues/4266 github.com: https://github.com/open5gs/open5gs/issues/4266#event-21968568116 github.com: https://github.com/open5gs/open5gs/issues/4266#issue-3794991595 github.com: https://github.com/open5gs/open5gs/commit/b19cf6a github.com: https://github.com/open5gs/open5gs/
Credits
🔍 FrankyLin (VulDB User)