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free5GC UDR: Fail-open handling in PolicyDataSubsToNotifyPost allows unintended subscription creation

Collected exploitation and prediction evidence

Risk source coverage

CISA KEV is observed exploitation evidence. FIRST EPSS is a dated prediction of exploitation in the next 30 days. Missing scores are unknown. This collector requests predictions only for explicit CVE aliases in the public NuGet archive; Microsoft release views retain their existing prediction scope.

No collected risk observation for these identifiers. This does not establish absence of exploitation or a zero probability.

Dated risk observations

Risk history is separate from CNA/OSV content history. Daily score drift is retained but only an upward crossing of 10% triggers the prediction change event.

Immutable source observations

8 recorded revisions

Each citation identifies one complete source statement. Source modification dates and the time this installation observed them are distinct. Latest history includes records historically associated by source identifiers; a removed alias is not a current equivalence claim. Exact citations show that source record's own earlier observations. Failed reads and unchanged polls do not rewrite history.

1 Nov 2026 06:16:33 UTC

free5GC UDR is the user data repository (UDR) for free5GC, an an open-source project for 5th generation (5G) mobile core networks. In versions up to and including 1.4.2, a fail-open request handling flaw in the UDR service causes the `/nudr…

euvd · EUVD-2026-24555 · Published

30 Oct 2026 06:00:41 UTC

free5GC UDR is the user data repository (UDR) for free5GC, an an open-source project for 5th generation (5G) mobile core networks. In versions up to and including 1.4.2, a fail-open request handling flaw in the UDR service causes the `/nudr…

euvd · EUVD-2026-24555 · Published

28 Oct 2026 05:02:11 UTC

free5GC UDR is the user data repository (UDR) for free5GC, an an open-source project for 5th generation (5G) mobile core networks. In versions up to and including 1.4.2, a fail-open request handling flaw in the UDR service causes the `/nudr…

euvd · EUVD-2026-24555 · Published

27 Oct 2026 10:09:56 UTC

free5GC UDR is the user data repository (UDR) for free5GC, an an open-source project for 5th generation (5G) mobile core networks. In versions up to and including 1.4.2, a fail-open request handling flaw in the UDR service causes the `/nudr…

nvd · CVE-2026-40343 · Published

25 Oct 2026 09:17:24 UTC

free5GC UDR is the user data repository (UDR) for free5GC, an an open-source project for 5th generation (5G) mobile core networks. In versions up to and including 1.4.2, a fail-open request handling flaw in the UDR service causes the `/nudr…

nvd · CVE-2026-40343 · Published

24 Oct 2026 13:19:41 UTC

free5GC UDR: Fail-open handling in PolicyDataSubsToNotifyPost allows unintended subscription creation

osv · GHSA-jwch-w7wh-gqjm · Published

24 Oct 2026 13:19:41 UTC

free5GC UDR: Fail-open handling in PolicyDataSubsToNotifyPost allows unintended subscription creation in github.com/free5gc/udr

osv · GO-2026-5482 · Published

23 Oct 2026 15:48:27 UTC

free5GC UDR: Fail-open handling in PolicyDataSubsToNotifyPost allows unintended subscription creation

cve-program · CVE-2026-40343 · Published

ChangeIntel

An IT change radar: releases, security, known issues, retirements, documentation changes, and service status from public sources. Every item links to supporting evidence; dates and statuses can change after they are read.

Sources read 1 Nov 19:21 UTC · 275 of 275 readable · 272 fully read · documentation 469/469 current