GHSA-mfx4-hv73-q22v: Pip/aiohttp vulnerability

Published Aug 3, 2026
·
Updated

Summary

The HTTP parsers were vulnerable to a request smuggling attack relating to WebSocket upgrades.

Impact

If using the server-side component, it may be possible for an attacker to execute a request smuggling vulnerability using an edge case in the WebSocket upgrade procedure. AIOHTT is unaware of any public exploit code.

---

Patch: https://github.com/aio-libs/aiohttp/commit/6ae358f0983c3f4d6f67692b2f8e65dc8e091c98

Affected Software

1 affected componentFixes available
pip/aiohttp<=3.14.1
3.14.2

Remediation

Recommended actions to resolve this vulnerability, in priority order.

  1. Upgrade

    Upgrade pip/aiohttp to a version that resolves this vulnerability.

    Fixed in 3.14.2
  2. Upgrade

    Upgrade aio-libs/aiohttp to a version that resolves this vulnerability.

    Patch 6ae358f0983c3f4d6f67692b2f8e65dc8e091c98
  3. Compensating control

    If using the server-side component, mitigate potential request smuggling via WebSocket upgrade procedure by addressing the HTTP parser vulnerability described (request smuggling relating to WebSocket upgrades).

Event History

Aug 3, 2026
Advisory Published
via GitHub·08:46 PM
Data Sourced
via GitHub·08:46 PM
DescriptionWeaknessAffected Software
Free Weekly Intel

Don't miss critical vulnerabilities

Join thousands of security professionals who receive our weekly digest of trending CVEs, zero-days, and exploited vulnerabilities.

No spam. Unsubscribe anytime.

Company

Resources

Contact

SecAlerts Pty Ltd.
132 Wickham Terrace
Fortitude Valley,
QLD 4006, Australia
info@secalerts.co
By using SecAlerts services, you agree to our services end-user license agreement. This website is safeguarded by reCAPTCHA and governed by the Google Privacy Policy and Terms of Service. All names, logos, and brands of products are owned by their respective owners, and any usage of these names, logos, and brands for identification purposes only does not imply endorsement. If you possess any content that requires removal, please get in touch with us.
© 2026 SecAlerts Pty Ltd.
ABN: 70 645 966 203, ACN: 645 966 203