CVE-2026-5360: Free5GC aper type confusion
Vulnerability summary
CVE-2026-5360 is a medium (CVSS 6.3) Type Confusion vulnerability in free5gc. EPSS estimates a 0.69% chance of exploitation in the next 30 days, higher than 52.3% of scored vulnerabilities. 1 public exploit is recorded.
Timeline
- 02-04-2026PublishedVulnerability first disclosed.
- 03-04-2026Last modifiedVulnerability information updated.
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.
CVSS metrics
7 scores · 2 sources · 4 versions- NVDNIST2.9LowCVSS:4.0/AV:N/AC:H/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/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:XDiffers
- NVDNIST3.7LowCVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:L
- NVDNIST2.6LowAV:N/AC:H/Au:N/C:N/I:N/A:P
EPSS trend
Probability
0.69%
Chance of exploitation in the next 30 days
Percentile
52%
Versus all other CVEs
30-day change
Increase +0.27 pp
From 0.43% on 22-09-2026
Known exploited
Compare KEV catalogsNot in the CISA KEV catalog.
Not in the ENISA CNW catalog.
Not in the CIRCL catalog.
Public exploits
1 foundFree5Gc
Maturity: poc
Weaknesses
CWE · root causeAffected systems
Free5gc1 product
- free5gc4.2.0
1 vendor · 1 product
References
8 links- github.com/free5gc/free5gc/issues/831Issue Tracking
- github.com/free5gc/free5gc/Product