Decompression bomb bypass via negative max_length in streaming API (incomplete fix for CVE-2025-66471)

Description The fix for CVE-2025-66471 in urllib3 2.6.0 added maxlength support to all decoders to prevent decompression bombs when using the streaming API. However, three independent code paths in response.py bypass this protection in urllib3 2.6.3 latest. Bypass 1 — Negative maxlength from buff...

Rancher doesn't properly sanitize credentials in cluster template answers

Impact It was discovered that in Rancher versions up to and including 2.5.12 and 2.6.3 there is a failure to properly sanitize credentials in cluster template answers. This failure can lead to plaintext storage and exposure of credentials, passwords and API tokens. The exposed credentials are...

urllib3: urllib3 vulnerable to decompression-bomb safeguard bypass when following HTTP redirects (streaming API)

urllib3 is an HTTP client library for Python. urllib3's streaming API is designed for the efficient handling of large HTTP responses by reading the content in chunks, rather than loading the entire response body into memory at once. urllib3 can perform decoding or decompression based on the HTTP...

urllib3: urllib3 vulnerable to decompression-bomb safeguard bypass when following HTTP redirects (streaming API)

urllib3 is an HTTP client library for Python. urllib3's streaming API is designed for the efficient handling of large HTTP responses by reading the content in chunks, rather than loading the entire response body into memory at once. urllib3 can perform decoding or decompression based on the HTTP...

urllib3: urllib3 vulnerable to decompression-bomb safeguard bypass when following HTTP redirects (streaming API)

urllib3 is an HTTP client library for Python. urllib3's streaming API is designed for the efficient handling of large HTTP responses by reading the content in chunks, rather than loading the entire response body into memory at once. urllib3 can perform decoding or decompression based on the HTTP...

OESA-2026-1287 python-urllib3 security update

HTTP library with thread-safe connection pooling, file post support, sanity friendly, and more. Security Fixes: urllib3 is an HTTP client library for Python. urllib3's streaming API is designed for the efficient handling of large HTTP responses by reading the content in chunks, rather than loadin...

Important: python3.11-pip

Issue Overview: urllib3 is an HTTP client library for Python. urllib3's streaming API is designed for the efficient handling of large HTTP responses by reading the content in chunks, rather than loading the entire response body into memory at once. urllib3 can perform decoding or decompression...

Amazon Linux 2023 : python3.12-pip, python3.12-pip-wheel (ALAS2023-2026-1409)

It is, therefore, affected by a vulnerability as referenced in the ALAS2023-2026-1409 advisory. urllib3 is an HTTP client library for Python. urllib3's streaming API is designed for the efficient handling of large HTTP responses by reading the content in chunks, rather than loading the entire...

urllib3: urllib3 vulnerable to decompression-bomb safeguard bypass when following HTTP redirects (streaming API)

urllib3 is an HTTP client library for Python. urllib3's streaming API is designed for the efficient handling of large HTTP responses by reading the content in chunks, rather than loading the entire response body into memory at once. urllib3 can perform decoding or decompression based on the HTTP...

urllib3: urllib3 vulnerable to decompression-bomb safeguard bypass when following HTTP redirects (streaming API)

urllib3 is an HTTP client library for Python. urllib3's streaming API is designed for the efficient handling of large HTTP responses by reading the content in chunks, rather than loading the entire response body into memory at once. urllib3 can perform decoding or decompression based on the HTTP...

urllib3: urllib3 vulnerable to decompression-bomb safeguard bypass when following HTTP redirects (streaming API)

urllib3 is an HTTP client library for Python. urllib3's streaming API is designed for the efficient handling of large HTTP responses by reading the content in chunks, rather than loading the entire response body into memory at once. urllib3 can perform decoding or decompression based on the HTTP...

WordPress Jeg Elementor Kit plugin <= 2.6.3 - Authenticated (Contributor+) Stored Cross-Site Scripting via Testimonial vulnerability

Authenticated Contributor+ Stored Cross-Site Scripting via Testimonial vulnerability discovered by wesley wcraft in WordPress Plugin Jeg Elementor Kit versions = 2.6.3...

urllib3: urllib3 vulnerable to decompression-bomb safeguard bypass when following HTTP redirects (streaming API)

urllib3 is an HTTP client library for Python. urllib3's streaming API is designed for the efficient handling of large HTTP responses by reading the content in chunks, rather than loading the entire response body into memory at once. urllib3 can perform decoding or decompression based on the HTTP...

CentOS 9 : python-urllib3-1.26.5-7.el9

The remote CentOS Linux 9 host has a package installed that is affected by multiple vulnerabilities as referenced in the python-urllib3-1.26.5-7.el9 build changelog. - urllib3 is an HTTP client library for Python. urllib3's streaming API is designed for the efficient handling of large HTTP...

Fedora 43 : mingw-python-urllib3 (2026-8b7270b473)

The remote Fedora 43 host has a package installed that is affected by multiple vulnerabilities as referenced in the FEDORA-2026-8b7270b473 advisory. Update to 2.6.3, fixes CVE-2025-66471, CVE-2025-21441, CVE-2025-66418. Tenable has extracted the preceding description block directly from the Fedor...

urllib3: urllib3 vulnerable to decompression-bomb safeguard bypass when following HTTP redirects (streaming API)

urllib3 is an HTTP client library for Python. urllib3's streaming API is designed for the efficient handling of large HTTP responses by reading the content in chunks, rather than loading the entire response body into memory at once. urllib3 can perform decoding or decompression based on the HTTP...

urllib3: urllib3 vulnerable to decompression-bomb safeguard bypass when following HTTP redirects (streaming API)

urllib3 is an HTTP client library for Python. urllib3's streaming API is designed for the efficient handling of large HTTP responses by reading the content in chunks, rather than loading the entire response body into memory at once. urllib3 can perform decoding or decompression based on the HTTP...

urllib3: urllib3 vulnerable to decompression-bomb safeguard bypass when following HTTP redirects (streaming API)

urllib3 is an HTTP client library for Python. urllib3's streaming API is designed for the efficient handling of large HTTP responses by reading the content in chunks, rather than loading the entire response body into memory at once. urllib3 can perform decoding or decompression based on the HTTP...

urllib3: urllib3 vulnerable to decompression-bomb safeguard bypass when following HTTP redirects (streaming API)

urllib3 is an HTTP client library for Python. urllib3's streaming API is designed for the efficient handling of large HTTP responses by reading the content in chunks, rather than loading the entire response body into memory at once. urllib3 can perform decoding or decompression based on the HTTP...

agentengine-sdk-python (>=0.2.0 <=0.4.0), agentic-chat-ui (>=0.1.0 <=0.2.4) +45 more potentially affected by CVE-2026-22219 via chainlit (>=1.0.0 <=2.6.3)

chainlit PYPI version =1.0.0, =0.2.0, =0.1.0, =0.3.0, =0.0.3, =0.14.0, =0.0.0, =0.1.1, =0.1.1, =0.1.0, =0.1.0, =0.1.0, =1.0.0, =0.1.0, =0.1.2 and more Source cves: CVE-2026-22219 Source advisory: OSV:GHSA-2G59-M95P-PGFQ...