urllib3 is an HTTP client library for Python. From 1.23 to before 2.7.0, cross-origin redirects followed from the low-level API via ProxyManager.connection_from_url().urlopen(..., assert_same_host=False) still forward these sensitive headers. This vulnerability is fixed in 2.7.0.

The remote SUSE Linux SLED15 / SLED_SAP15 / SLES15 / SLES_SAP15 host has a package installed that is affected by a vulnerability as referenced in the SUSE-SU-2026:2119-1 advisory.

    This update for python-urllib3 fixes the following issue

    - CVE-2026-44431: sensitive information disclosure due to sensitive headers being forwarded across origins     in proxied       low-level redirects (bsc#1265267).

Tenable has extracted the preceding description block directly from the SUSE security advisory.

Note that Nessus has not tested for this issue but has instead relied only on the application's self-reported version number.

The remote SUSE Linux SLES12 / SLES_SAP12 host has packages installed that are affected by a vulnerability as referenced in the SUSE-SU-2026:2065-1 advisory.

    This update for python-urllib3 fixes the following issue

    - CVE-2026-44431: sensitive information disclosure due to sensitive headers being forwarded across origins     in proxied       low-level redirects (bsc#1265267).

Tenable has extracted the preceding description block directly from the SUSE security advisory.

Note that Nessus has not tested for this issue but has instead relied only on the application's self-reported version number.

The remote SUSE Linux SLED15 / SLED_SAP15 / SLES15 / SLES_SAP15 host has a package installed that is affected by a vulnerability as referenced in the SUSE-SU-2026:2067-1 advisory.

    This update for python-urllib3_1 fixes the following issue

    - CVE-2026-44431: sensitive information disclosure due to sensitive headers being forwarded across origins     in proxied       low-level redirects (bsc#1265267).

Tenable has extracted the preceding description block directly from the SUSE security advisory.

Note that Nessus has not tested for this issue but has instead relied only on the application's self-reported version number.

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available.

  - urllib3 is an HTTP client library for Python. From 1.23 to before 2.7.0, cross-origin redirects followed     from the low-level API via ProxyManager.connection_from_url().urlopen(..., assert_same_host=False) still     forward these sensitive headers. This vulnerability is fixed in 2.7.0. (CVE-2026-44431)

Note that Nessus relies on the presence of the package as reported by the vendor.

ID	Name	Product	Family	Severity
318097	SUSE SLED15 / SLES15 Security Update : python-urllib3 (SUSE-SU-2026:2119-1)	Nessus	SuSE Local Security Checks	high
317725	SUSE SLES12 Security Update : python-urllib3 (SUSE-SU-2026:2065-1)	Nessus	SuSE Local Security Checks	high
317657	SUSE SLED15 / SLES15 Security Update : python-urllib3_1 (SUSE-SU-2026:2067-1)	Nessus	SuSE Local Security Checks	high
314735	Linux Distros Unpatched Vulnerability : CVE-2026-44431	Nessus	Misc.	high

Detections

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CVE-2026-44431

high

Tenable Plugins

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high

high

high