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KO

GO-2026-5809

Hysteria has an authenticated UDP ACL bypass that enables localhost and private-network UDP SSRF in github.com/apernet/hysteria/core

Details

Hysteria has an authenticated UDP ACL bypass that enables localhost and private-network UDP SSRF in github.com/apernet/hysteria/core.

NOTE: The source advisory for this report contains additional versions that could not be automatically mapped to standard Go module versions.

(If this is causing false-positive reports from vulnerability scanners, please suggest an edit to the report.)

The additional affected modules and versions are: .

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Affected packages

Go / github.com/apernet/hysteria/core
Introduced in: 0

No fixed version published yet for github.com/apernet/hysteria/core (go modules). Pin to a known-safe version or switch to an alternative.

Go / github.com/apernet/hysteria/core/v2
Introduced in: 0 Fixed in: 2.9.2
Fix go get github.com/apernet/hysteria/core/v2@v2.9.2

References