GO-2026-5407

vendorUSosv

free5gc UDR fail-open request handling in PolicyDataSubsToNotifySubsIdPut may allow unintended subscription updates after input errors in github.com/free5gc/udr

view advisory published 2026-06-25Licence: per source

free5gc UDR fail-open request handling in PolicyDataSubsToNotifySubsIdPut may allow unintended subscription updates after input errors in github.com/free5gc/udr

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describes (1)

Related CVEs.

IDseverity exploitable
CVE-2026-40249USmedium5.3—
free5GC is an open-source implementation of the 5G core network. In versions 4.2.1 and below of the UDR service, the PUT handler for updating Policy Data notification subscriptions…
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references

External citations — patches, advisories, analysis.

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