Medium severity · published Jan 17, 2026
CVE-2025-15531
Open5GS context.c sgwc_bearer_add assertion
5.3
CVSS
0.8%
EPSS
No
On KEV
Description
A vulnerability was identified in Open5GS up to 2.7.5. This vulnerability affects the function sgwc_bearer_add of the file src/sgwc/context.c. The manipulation leads to reachable assertion. The attack is possible to be carried out remotely. The exploit is publicly available and might be used. The issue report is flagged as already-fixed.
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L
Attack vector
Network
Complexity
Low
Privileges
None
User interaction
None
Confidentiality
None
Integrity
None
Availability
Low
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)0.8% · higher than 56% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
OP
Open5GS · Open5gs
2.7.0; 2.7.1; 2.7.2; 2.7.3; 2.7.4; 2.7.5 · source: vendor, NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2025-15531
CVE.org
https://www.cve.org/CVERecord?id=CVE-2025-15531
github.com
https://github.com/open5gs/open5gs/
Exploit
https://github.com/open5gs/open5gs/issues/4233
Exploit
https://github.com/open5gs/open5gs/issues/4233#issue-3776216182
Permissions Required
https://vuldb.com/?ctiid.341598
Third Party Advisory
https://vuldb.com/?id.341598
Third Party Advisory
https://vuldb.com/?submit.729339
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