An IndexError exception can be raised if stale cable paths exist #277

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MrUnknownDE · 2026-04-05T16:24:27+02:00

MrUnknownDE commented

2026-04-05 16:24:27 +02:00

Originally created by @jeremystretch on 2/25/2026

NetBox Edition

NetBox Community

NetBox Version

v4.5.3

Python Version

3.12

Steps to Reproduce

In a scenario where stale cable paths exist, an IndexError exception may be raised. For example, this may occur when querying for /api/circuits/circuit-terminations/<id>/paths/. This is because the get_path() method on CablePathSerializer assumes that every set of nodes within path_objects will have at least one node.

(Stale cable paths should be removed automatically, preventing this scenario, but we have observed it in production.)

Expected Behavior

Invalid paths should be silently ignored.

Observed Behavior

An IndexError exception is raised.

*Originally created by @jeremystretch on 2/25/2026* ### NetBox Edition NetBox Community ### NetBox Version v4.5.3 ### Python Version 3.12 ### Steps to Reproduce In a scenario where stale cable paths exist, an `IndexError` exception may be raised. For example, this may occur when querying for `/api/circuits/circuit-terminations/<id>/paths/`. This is because the `get_path()` method on CablePathSerializer assumes that every set of nodes within `path_objects` will have at least one node. (Stale cable paths _should_ be removed automatically, preventing this scenario, but we have observed it in production.) ### Expected Behavior Invalid paths should be silently ignored. ### Observed Behavior An `IndexError` exception is raised.

MrUnknownDE closed this issue

2026-04-05 16:24:27 +02:00

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Reference: github/netbox#277

An IndexError exception can be raised if stale cable paths exist #277