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Authentication Bypass in GraphQL Queries for Users/Tokens Lacking Permissions #9743
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opened 2025-12-29 21:21:57 +01:00 by adam
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Reference: starred/netbox#9743
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Originally created by @kiraum on GitHub (May 24, 2024).
Originally assigned to: @DanSheps on GitHub.
Deployment Type
Self-hosted
NetBox Version
v4.0.3
Python Version
3.11
Steps to Reproduce
Test user does not have any permissions associated with it (I am using the admin token to make the query):
Test user token:
Now using the test user token without any permissions via Graphql:
In my understanding, if a user/token has no permissions, it should reject by default.
Version:
This may be related with the issue#16228.
Expected Behavior
The system should reject GraphQL queries from users or tokens that do not have the necessary permissions.
Observed Behavior
During testing, it was discovered that if a user or token lacks permissions, the system does not enforce authentication for GraphQL queries. This was observed using a test user with no permissions, where GraphQL queries still returned sensitive data.
GraphQL queries are processed and data is returned even when the user or token has no permissions.
Further investigation is needed to confirm the scope and cause of the authentication bypass. Additional details will be provided upon request.
@arthanson commented on GitHub (May 24, 2024):
@kiraum are you sure this is NetBox 4.0.3? This sounds like #16228 which was in NetBox 4.0.2 but fixed in 4.0.3
@kiraum commented on GitHub (May 24, 2024):
@arthanson, I was running 4.0.2, but pulled new image, and via API/UI, I do see version 4.0.3:



3f345cdbeeShould I rely on those versions or do we have a better (more reliable) way to check it?
I've destroyed the environment, and recreated to see if there wasn't left overs from the old build, but still the same.
@DanSheps commented on GitHub (May 27, 2024):
I just tested this. I am not able to reproduce.
Please provide more comprehensive steps including what objects to create for testing against (I see you are querying ASN's but I don't see how to create that ASN specifically)
@kiraum commented on GitHub (May 27, 2024):
@DanSheps , thanks for checking, follow the step by step:
Here, I can get data without permissions set to the user:
If I try to get user details with the token without permissions, I do see a reject:
Using a superuser token, just to show the current permissions and tokens:
Thanks, and please let me know if you need something else.
@kiraum commented on GitHub (May 28, 2024):
Hi, I noticed that I left write enable during the latest test, follow the result with write_enable as false for the test token in the same environment/deploy:
@github-actions[bot] commented on GitHub (Jun 5, 2024):
This is a reminder that additional information is needed in order to further triage this issue. If the requested details are not provided, the issue will soon be closed automatically.
@kiraum commented on GitHub (Jun 5, 2024):
@DanSheps do you need more details? Received a message from @github telling if details are not provided issue will be resolved.
@DanSheps commented on GitHub (Aug 22, 2024):
Alright,
The fundamental issue is that for a single ASN query, we have:
the
models.ASN.objects.get(pk=id)is just simply not calling restrict. AFAIK, all models are impacted by this.