Medium severity · published Oct 9, 2026
CVE-2026-108102
Open5GS through 2.8.0 Heap Out-of-Bounds Read via PFCP Volume Measurement IE
5.3
CVSS
0.4%
EPSS
No
On KEV
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.
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L
Attack vector
Network
Complexity
Low
Privileges
None
User interaction
None
Confidentiality
None
Integrity
None
Availability
Low
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)0.4% · higher than 33% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
OP
open5gs · open5gs
through 2.8.0 · source: vendor
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2026-108102
CVE.org
https://www.cve.org/CVERecord?id=CVE-2026-108102
patch
https://github.com/open5gs/open5gs/commit/88e64fc1f87e0d321364b3bb710ef6a8f274e568
product
https://github.com/open5gs/open5gs
vendor-advisory
https://github.com/open5gs/open5gs/security/advisories/GHSA-37c3-hv4f-688p
technical-description
https://github.com/open5gs/open5gs/blob/v2.8.0/lib/pfcp/types.c#L581-L635
third-party-advisory
https://www.vulncheck.com/advisories/open5gs-through-2.8.0-heap-out-of-bounds-read-via-pfcp-volume-measurement-ie
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