CVE-2026-116543 Open5GS - Denial of Service

Open5GS 1.3.0 through 2.8.0 contains a heap out-of-bounds write caused by improper handling of empty multipart boundaries in parse_multipart(), letting unauthenticated attackers corrupt memory and crash the SBI interface via crafted multipart/related requests.

CVSS base score 7.5 /10
High
CISA KEV
Not listed
Public exploit
None known
Authentication
Not required
View the NVD record ↗

Details

Type
Denial of Service
Impact
Denial Of Service
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Published
26 October 2026
Updated
27 October 2026
Weakness
CWE-787

Vendor fix

Update to the latest version beyond 2.8.0.

Patching closes this CVE. It does not tell you which of your systems run the affected version, or what else is exposed alongside them.

References

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