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Go/github.com/free5gc/udm CVE-2026-33191: high 8.6, EPSS 0.36%

free5GC UDM vulnerable to null byte injection in URL path parameters causing 500 Internal Server Error

Action: Upgrade github.com/free5gc/udm to 1.4.2 or later.

go get github.com/free5gc/udm@v1.4.2

Affected

introducedfixedlast affected
01.4.2-

Fixed versions

1.4.2

Sources

CVE-2026-33191 · published · modified · JSON