Vulnerability · Published Oct 9, 2026 · Assigned by VulnCheck

CVE-2026-108102Open5GS through 2.8.0 Heap Out-of-Bounds Read via PFCP Volume Measurement IE

Medium 5.3

In plain English

A medium-severity out-of-bounds read in open5gs from open5gs. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.4% (higher than 33% of all known vulnerabilities).

Severity (CVSS 3.1)5.3Medium

Exploit odds (30 days)0.4%top 67.0% of all CVEs

Exploited in the wildNo reportsCISA SSVC: none

Attack toolingNoneno public tooling known

Official description

Open5GS through 2.8.0 contains a heap out-of-bounds read vulnerability in ogs_pfcp_parse_volume_measurement() in lib/pfcp/types.c that allows remote unauthenticated attackers to read past IE buffers. Attackers can send a PFCP Session Report Request to the SMF on UDP port 8805 with a short, all-flags Volume Measurement IE, reading up to 48 bytes and potentially crashing the SMF.

Affected products (as reported)

Vendor	Product	Versions
open5gs	open5gs	0 – through 2.8.0

Weakness: CWE-125 · Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L

References

Patch Commit patch
https://github.com/open5gs/open5gs product
GitHub Security Advisory (GHSA-37c3-hv4f-688p) vendor-advisory
https://github.com/open5gs/open5gs/blob/v2.8.0/lib/pfcp/types.c#L581-L635 technical-description
VulnCheck Advisory: Open5GS through 2.8.0 Heap Out-of-Bounds Read via PFCP Volume Measurement IE third-party-advisory