CVE-2026-108103
Medium
Description
Open5GS through 2.8.0 contains a heap out-of-bounds read vulnerability in ogs_pfcp_parse_dropped_dl_traffic_threshold() that allows remote unauthenticated attackers to read past IE buffers via short IEs. Attackers can send PFCP Session Establishment or Modification Requests to the UPF on UDP port 8805 with DLPA and DLBY flags set, potentially crashing the UPF.
SeverityMedium
CVSS5.3
Exploit probability—
ProductOpen5gs
PublishedOct 9, 2026
First seenOct 9, 2026
Weakness typeCWE-125Out-of-bounds read
How to fix
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| open5gs open5gs | v ≤ 2.8.0 | — |
Check your version
Choose the product and enter the version you run to see whether it falls in the affected range.
In the Intelligence 360 plan
Attack Surface Management
See the assets tied to your domains, the technologies they run and known vulnerabilities in one list.