Linux Distros Unpatched Vulnerability : CVE-2026-84381

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - HTTPX2 is a next generation HTTP client for Python. Prior to 2.10.0, httpcore2 fails to start TLS in src/httpcore2/httpcore2/sync/socksproxy.py and...

Fedora 44 : python-httpx2 (2026-a69588e2cd)

The remote Fedora 44 host has a package installed that is affected by multiple vulnerabilities as referenced in the FEDORA-2026-a69588e2cd advisory. Update httpcore2 and httpx2 to 2.13.1. This is a security fix for CVE-2026-84378, CVE-2026-84379, and CVE-2026-84380. Tenable has extracted the...

ROOT-APP-PYPI-CVE-2026-84381 CVE-2026-84381 in httpcore2 - Patched by Root

Root has patched CVE-2026-84381 in the httpcore2 package for Root:PyPI. Multiple fixed versions available...

aetherpost (>=1.1.0, <=1.9.0), afterdark-llm-firewall (0.1.0) +153 more potentially affected by CVE-2026-84381 via httpcore2 (>=2.0.0b1, <=2.9.1)

httpcore2 PYPI version =2.0.0b1, =1.1.0, =0.1.5, =0.1.12, =1.3.155, =0.0.2, =0.2.0, =0.1.0, =0.1.1, =0.1.2, =0.8.3, =0.3.4, =0.1.0, =0.0.1, =0.1.8, =0.1.12 and more Source cves: CVE-2026-84381 Source advisory: OSV:PYSEC-2026-3844...

HTTPX2: Secure WebSocket traffic sent without TLS through SOCKS proxies

Summaryhttpcore2 does not start TLS for wss:// connections routed through a SOCKS5 proxy. The WebSocket opening handshake and all subsequent frames are sent in plaintext through the proxy path, despite the caller selecting the secure wss scheme.The transport flaw affects httpcore2 releases before...

PYSEC-2026-3844 HTTPX2: Secure WebSocket traffic sent without TLS through SOCKS proxies

Summary httpcore2 does not start TLS for wss:// connections routed through a SOCKS5 proxy. The WebSocket opening handshake and all subsequent frames are sent in plaintext through the proxy path, despite the caller selecting the secure wss scheme. The transport flaw affects httpcore2 releases befo...

HTTPX2: Secure WebSocket traffic sent without TLS through SOCKS proxies

Summaryhttpcore2 does not start TLS for wss:// connections routed through a SOCKS5 proxy. The WebSocket opening handshake and all subsequent frames are sent in plaintext through the proxy path, despite the caller selecting the secure wss scheme.The transport flaw affects httpcore2 releases before...

PYSEC-2026-3845 HTTPX2: Secure WebSocket traffic sent without TLS through SOCKS proxies

Summary httpcore2 does not start TLS for wss:// connections routed through a SOCKS5 proxy. The WebSocket opening handshake and all subsequent frames are sent in plaintext through the proxy path, despite the caller selecting the secure wss scheme. The transport flaw affects httpcore2 releases befo...

GHSA-7MJ9-2MP8-4M2P HTTPX2: Secure WebSocket traffic sent without TLS through SOCKS proxies

Summary httpcore2 does not start TLS for wss:// connections routed through a SOCKS5 proxy. The WebSocket opening handshake and all subsequent frames are sent in plaintext through the proxy path, despite the caller selecting the secure wss scheme. The transport flaw affects httpcore2 releases befo...

EUVD-2026-70250

HTTPX2: Secure WebSocket traffic sent without TLS through SOCKS proxies...

aetherpost (>=1.1.0, <=1.9.0), afterdark-llm-firewall (0.1.0) +153 more potentially affected by CVE-2026-84381 via httpcore2 (>=2.0.0b1, <=2.9.1)

httpcore2 PYPI version =2.0.0b1, =1.1.0, =0.1.5, =0.1.12, =1.3.155, =0.0.2, =0.2.0, =0.1.0, =0.1.1, =0.1.2, =0.8.3, =0.3.4, =0.1.0, =0.0.1, =0.1.8, =0.1.12 and more Source cves: CVE-2026-84381 Source advisory: GHSA-7MJ9-2MP8-4M2P...

Cleartext Transmission of Sensitive Information

Overview httpcore2 is an A minimal low-level HTTP client. Affected versions of this package are vulnerable to Cleartext Transmission of Sensitive Information in the synchronous and asynchronous SOCKS5 connection implementations, which decide whether to start TLS by testing for the https scheme...

aetherpost (>=1.1.0, <=1.9.0), afterdark-llm-firewall (0.1.0) +153 more potentially affected by CVE-2026-84381 via httpcore2 (>=2.0.0b1, <=2.9.1)

httpcore2 PYPI version =2.0.0b1, =1.1.0, =0.1.5, =0.1.12, =1.3.155, =0.0.2, =0.2.0, =0.1.0, =0.1.1, =0.1.2, =0.8.3, =0.3.4, =0.1.0, =0.0.1, =0.1.8, =0.1.12 and more Source cves: CVE-2026-84381 Source advisory: SNYK:PYTHON-HTTPCORE2-20361640...

aetherpost (>=1.1.0, <=1.9.0), afterdark-llm-firewall (0.1.0) +153 more potentially affected by CVE-2026-84381 via httpcore2 (>=2.0.0b1, <=2.9.1)

httpcore2 PYPI version =2.0.0b1, =1.1.0, =0.1.5, =0.1.12, =1.3.155, =0.0.2, =0.2.0, =0.1.0, =0.1.1, =0.1.2, =0.8.3, =0.3.4, =0.1.0, =0.0.1, =0.1.8, =0.1.12 and more Source cves: CVE-2026-84381 Source advisory: OSV:GHSA-7MJ9-2MP8-4M2P...

SUSE CVE-2026-84381

HTTPX2 is a next generation HTTP client for Python. Prior to 2.10.0, httpcore2 fails to start TLS in src/httpcore2/httpcore2/sync/socksproxy.py and src/httpcore2/httpcore2/async/socksproxy.py when the remote origin uses wss through a SOCKS5 proxy because the TLS upgrade condition only recognizes...

UBUNTU-CVE-2026-84381

HTTPX2 is a next generation HTTP client for Python. Prior to 2.10.0, httpcore2 fails to start TLS in src/httpcore2/httpcore2/sync/socksproxy.py and src/httpcore2/httpcore2/async/socksproxy.py when the remote origin uses wss through a SOCKS5 proxy because the TLS upgrade condition only recognizes...

CVE-2026-84381

A flaw was found in httpcore2, a component used by HTTPX2. When a remote origin uses WebSocket Secure wss through a SOCKS5 proxy, httpcore2 fails to initiate Transport Layer Security TLS encryption because its upgrade condition only recognizes HTTPS. This vulnerability allows an attacker...

CVE-2026-84381

HTTPX2 is a next generation HTTP client for Python. Prior to 2.10.0, httpcore2 fails to start TLS in src/httpcore2/httpcore2/sync/socksproxy.py and src/httpcore2/httpcore2/async/socksproxy.py when the remote origin uses wss through a SOCKS5 proxy because the TLS upgrade condition only recognizes...

CVE-2026-84381 HTTPX2: Secure WebSocket traffic sent without TLS through SOCKS proxies

HTTPX2 is a next generation HTTP client for Python. Prior to 2.10.0, httpcore2 fails to start TLS in src/httpcore2/httpcore2/sync/socksproxy.py and src/httpcore2/httpcore2/async/socksproxy.py when the remote origin uses wss through a SOCKS5 proxy because the TLS upgrade condition only recognizes...

aetherpost (>=1.1.0, <=1.9.0), afterdark-llm-firewall (0.1.0) +153 more potentially affected by CVE-2026-84381 via httpcore2 (>=2.0.0b1, <=2.9.1)

httpcore2 PYPI version =2.0.0b1, =1.1.0, =0.1.5, =0.1.12, =1.3.155, =0.0.2, =0.2.0, =0.1.0, =0.1.1, =0.1.2, =0.8.3, =0.3.4, =0.1.0, =0.0.1, =0.1.8, =0.1.12 and more Source cves: CVE-2026-84381 Source advisory: MEND:CVE-2026-84381...