CVE-2025-15531: Open5GS context.c sgwc_bearer_add assertion

Severity: medium (CVSS 5.3 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 0.8% probability of exploitation in the next 30 days
Public exploit or detection template: yes
Published: 2026-01-17 · updated 2026-06-17
Weakness: CWE-617

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.

Affected products

Open5GS: through 2.7.5

References

https://github.com/open5gs/open5gs/
https://github.com/open5gs/open5gs/issues/4233
https://github.com/open5gs/open5gs/issues/4233#issue-3776216182
https://vuldb.com/?ctiid.341598
https://vuldb.com/?id.341598
https://vuldb.com/?submit.729339

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