CVE-2026-44889 WebOb: Location header normalization during redirect leads to open redirect

WebOb provides objects for HTTP requests and responses. Prior to 1.8.10, the normalization of the HTTP Location header during a redirect is vulnerable to an open redirect: WebOb joins the redirect target to the request URI using Python's urljoin, and since Python 3.10 the underlying urlsplit stri...

CVE-2026-44889

WebOb (HTTP request/response utilities) is affected prior to version 1.8.10 by an open redirect in Location header normalization during redirects. The vulnerability arises from how WebOb uses urljoin/urlsplit to combine the redirect target with the request URL; since Python 3.10, urlsplit strips ...

EUVD-2026-38391

WebOb provides objects for HTTP requests and responses. Prior to 1.8.10, the normalization of the HTTP Location header during a redirect is vulnerable to an open redirect: WebOb joins the redirect target to the request URI using Python's urljoin, and since Python 3.10 the underlying urlsplit stri...

CVE-2026-44889

WebOb provides objects for HTTP requests and responses. Prior to 1.8.10, the normalization of the HTTP Location header during a redirect is vulnerable to an open redirect: WebOb joins the redirect target to the request URI using Python's urljoin, and since Python 3.10 the underlying urlsplit stri...

CVE-2026-44889 WebOb: Location header normalization during redirect leads to open redirect

WebOb provides objects for HTTP requests and responses. Prior to 1.8.10, the normalization of the HTTP Location header during a redirect is vulnerable to an open redirect: WebOb joins the redirect target to the request URI using Python's urljoin, and since Python 3.10 the underlying urlsplit stri...

CVE-2026-44889

WebOb provides objects for HTTP requests and responses. Prior to 1.8.10, the normalization of the HTTP Location header during a redirect is vulnerable to an open redirect: WebOb joins the redirect target to the request URI using Python's urljoin, and since Python 3.10 the underlying urlsplit stri...

CVE-2026-44889: URL Redirection to Untrusted Site

WebOb provides objects for HTTP requests and responses. Prior to 1.8.10, the normalization of the HTTP Location header during a redirect is vulnerable to an open redirect: WebOb joins the redirect target to the request URI using Python's urljoin, and since Python 3.10 the underlying urlsplit stri...

python-WebOb-doc-1.8.10-1.1 on GA media (moderate)

python-WebOb-doc-1.8.10-1.1 on GA media Announcement ID: openSUSE-SU-2026:11041-1 Rating: moderate Cross-References: CVE-2026-44889 CVSS scores: CVE-2026-44889 SUSE : 6.1 CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N CVE-2026-44889 SUSE : 5.1...

OPENSUSE-SU-2026:11041-1 python-WebOb-doc-1.8.10-1.1 on GA media

These are all security issues fixed in the python-WebOb-doc-1.8.10-1.1 package on the GA media of openSUSE Tumbleweed...

OESA-2026-2679 python-webob security update

WebOb provides wrappers around the WSGI request environment, and an object to help create WSGI responses. The objects map much of the specified behavior of HTTP, including header parsing and accessors for other standard parts of the environment. Security Fixes: Impact When WebOb normalizes the HT...

PT-2026-79057

Name of the Vulnerable Software and Affected Versions WebOb versions prior to 1.8.11 Description An issue exists where the Response. make location absolute function in src/webob/response.py performs checks for a URI scheme or leading double slashes before urllib.parse.urljoin removes leading C0...

GHSA-FH3H-VG37-CC95 WebOb: Location header normalization during redirect leads to open redirect - again

Impact When WebOb normalizes the HTTP Location header to include the request hostname, it does so by parsing the URL that the user is to be redirected to with Python's urllib.parse, and joining it to the base URL. urlsplit called internally by urljoin however treats a // at the start of a string ...

WebOb: Location header normalization during redirect leads to open redirect - again

Impact When WebOb normalizes the HTTP Location header to include the request hostname, it does so by parsing the URL that the user is to be redirected to with Python's urllib.parse, and joining it to the base URL. urlsplit called internally by urljoin however treats a // at the start of a string ...

PT-2026-46304

Name of the Vulnerable Software and Affected Versions WebOb versions prior to 1.8.10 Description An open redirect occurs when the software normalizes the HTTP Location header to include the request hostname. The process involves parsing the redirect URL using Python's urllib.parse and joining it ...

RHCOS 9 : OpenShift Container Platform 4.16.14 (RHSA-2024:6827)

The remote Red Hat Enterprise Linux CoreOS 9 host has a package installed that is affected by a vulnerability as referenced in the RHSA-2024:6827 advisory. - webob: WebOb's location header normalization during redirect leads to open redirect CVE-2024-42353 Note that Nessus has not tested for this...

Astra Linux – Vulnerability in python-webob

WebOb provides objects for HTTP requests and responses. When WebOb normalizes the HTTP Location header to include the request hostname, it does so by parsing the URL that the user will be redirected to using Python’s urlparse function, and joining that parsed URL to the base URL. However, the...

EUVD-2024-0201

Malicious code in bioql PyPI...

webob: WebOb's location header normalization during redirect leads to open redirect

A vulnerability was found in the WebOb package. WebOb normalizes the HTTP Location header using urlparse and urljoin. If the URL starts with //, urlparse treats the following part as the hostname, and replaces the original request's hostname. This issue, combined with user interaction, may become...

TencentOS Server 4: python-webob (TSSA-2024:1066)

The version of Tencent Linux installed on the remote TencentOS Server 4 host is prior to tested version. It is, therefore, affected by a vulnerability as referenced in the TSSA-2024:1066 advisory. Package updates are available for TencentOS Server 4 that fix the following vulnerabilities:...

Fedora: Security Advisory (FEDORA-2024-3e0d8c04fc)

The remote host is missing an update for the SPDX-FileCopyrightText: 2025 Greenbone AG Some text descriptions might be excerpted from a referenced sources, and are Copyright C by the respective right holders. SPDX-License-Identifier: GPL-2.0-only ifdescription...