Vulnerability · Published Apr 2, 2026 · Assigned by VulDB
CVE-2026-5360Free5GC aper type confusion
Low 3.7
In plain English
A low-severity type confusion in Free5GC. Proof-of-concept exploit code is public. The chance it is exploited in the next 30 days is estimated at 0.4% (higher than 38% of all known vulnerabilities).
Official description
A vulnerability has been found in Free5GC 4.2.0. The affected element is an unknown function of the component aper. Such manipulation leads to type confusion. The attack may be launched remotely. This attack is characterized by high complexity. The exploitability is described as difficult. The exploit has been disclosed to the public and may be used. The name of the patch is 26205eb01705754b7b902ad6c4b613c96c881e29. It is best practice to apply a patch to resolve this issue.
Affected products (as reported)
Weakness: CWE-843 · Vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:L/E:P/RL:O/RC:C
References
- VDB-354735 | Free5GC aper type confusion vdb-entry
- VDB-354735 | CTI Indicators (IOB, IOC) signature, permissions-required
- Submit #781573 | Linux Foundation free5GC 4.2.0 Type Confusion third-party-advisory
- https://github.com/free5gc/free5gc/issues/831 issue-tracking
- https://github.com/free5gc/aper/pull/11 issue-tracking, patch
- https://github.com/free5gc/free5gc/issues/831#issue-3996453112 exploit, issue-tracking
- https://github.com/free5gc/aper/commit/26205eb01705754b7b902ad6c4b613c96c881e29 patch
- https://github.com/free5gc/free5gc/ product