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GHSA-QCCP-GFCP-XXVC urllib3: Sensitive headers forwarded across origins in proxied low-level redirects

🗓️ 11 May 2026 14:51:20Reported by GoogleType 
osv
 osv🔗 osv.dev👁 4 Views

Sensitive headers leak on cross-origin redirects via low-level ProxyManager; upgrade to 2.7.0+ or avoid.

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Refs
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IBM Security Bulletins		Security Bulletin: : Platform Navigator and Automation Assets in IBM Cloud Pak for Integration are vulnerable to multiple vulnerabilities in dependencies
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IBM Security Bulletins		Security Bulletin: Location Service for ESRI Component uses urllib3-2.6.3 library which was vulnerable to CVE-2026-44431 and CVE-2026-44432
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IBM Security Bulletins		Security Bulletin: IBM Maximo Application Suite - Visual Inspection component uses urllib3-2.6.3-py3-none-any.whl which is vulnerable to CVE-2026-44431, CVE-2026-44432
29 Jun 202614:12
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IBM Security Bulletins		Security Bulletin: There is a vulnerability in urllib3-2.6.3-py3-none-any.whl used by IBM Maximo Manage application in IBM Maximo Application Suite (CVE-2026-44431)
26 Jun 202608:01
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IBM Security Bulletins		Security Bulletin: IBM SOAR QRadar Plugin App is vulnerable to using components with known vulnerabilities (CVE-2026-44431, CVE-2026-44432)
29 Jun 202612:23
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ATTACKERKB		CVE-2026-44431
13 May 202615:20
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Tenable Nessus		Amazon Linux 2023 : python3-urllib3 (ALAS2023-2026-1843)
22 Jun 202600:00
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Tenable Nessus		Amazon Linux 2 : python3-urllib3, --advisory ALAS2-2026-3376 (ALAS-2026-3376)
22 Jun 202600:00
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Tenable Nessus		Amazon Linux 2 : python-urllib3, --advisory ALAS2-2026-3377 (ALAS-2026-3377)
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Tenable Nessus		AlmaLinux 10 : python3.14-urllib3 (ALSA-2026:27929)
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20 May 2026 08:11Current
5.8Medium risk
Vulners AI Score5.8
CVSS 3.15.3
CVSS 48.2
EPSS0.00527
sensitive headerscross origin redirectslow level redirectsproxy managerheader removalversion 2.7.0
4