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add security note about accessing urls #1600

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add security note about accessing urls #1600

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160b151
add security note about accessing urls
gregsdennis Apr 26, 2025
6ef050f
update security note on URL access to actually address security issues
gregsdennis May 3, 2025
7237028
Update specs/jsonschema-core.md
gregsdennis May 7, 2025
522b4ef
remove mention of specific attacks
gregsdennis May 16, 2025
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6 changes: 6 additions & 0 deletions specs/jsonschema-core.md
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Expand Up @@ -1990,6 +1990,12 @@ A malicious schema author could place executable code or other dangerous
material within a `$comment`. Implementations MUST NOT parse or otherwise take
action based on `$comment` contents.

When encoutering an IRI that is also a valid URL, implementations SHOULD NOT
presume a network operation should be performed. Implementations which have
access to the internet SHOULD default to operating offline. Network operations
should be limited to hypermedia APIs and similar applications where this risk
already exists and is built into the architecture.

## IANA Considerations

### `application/schema+json`
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