CVE-2026-44431Patch(python / urllib3)

LOWCVSS 5.3 · MEDIUM

Signal is active with 1 mentions in latest observed window

Immediate actions

  • Patch python urllib3 systems immediately

Recommended action window: Monitor and triage in normal cycle

NVD description

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.

0.5/ 10 priority

Sources & remediation

Weakness type (CWE)
CWE-200

Priority

LOW

Exploitation

NONE

PoC

NONE

Patch

AVAILABLE

Momentum

STABLE

Are you affected?

If you run products in this scope, you should treat this CVE as relevant to your environment.

  • urllib3

Threat summary

  • Patch or workaround signal is available
  • 2 mentions across 2 observed days
  • Momentum state: stable

What's happening

  • Patch or workaround mentioned in 2 signals
  • Technical details provided in 1 signal
  • Peaked 1d ago at 1 mentions (2026-06-30); latest day: 1
  • 2 total mentions across 2 days

Affected systems

Vendors
Products
urllib3

Deep dive

Activity timeline2 mentions / 2d
00111Mentions · 2026-06-30: 1Mentions · 2026-07-01: 1Patch / Workaround · 2026-06-30: 1Patch / Workaround · 2026-07-01: 1Technical Details · 2026-07-01: 106-3007-01
Signal classification1 categories
Patch
2100.0%
Referenced assets2 URLs
Full discourse2 posts
  • Ferramentas Linux@Cezar_H_Linux
    Patch

    🚨 Administradores Rocky Linux 8: RLSA-2026:32992 corrige duas vulnerabilidades críticas no python3.12-urllib3: vazamento de headers sensíveis (CVE-2026-44431) e DoS por amplificação de descompressão (CVE-2026-44432). Saiba mais: -> https://tinyurl.com/yc8aeujn #RockyLinux https://t.co/H8dYrffZDe

    Post summary

    The tweet announces a Rocky Linux 8 security update (RLSA‑2026:32992) that patches two critical CVEs in python3.12‑urllib3, with a link provided for further details.

    0000050
    1.5K followersView on X
  • SKUDONET | Application Delivery & Security@SKUDONET
    Patch

    🚀 SKUDONET Enterprise Edition 10.2.1 is here! New in this release: Advanced HTTP/2 routing Better cluster management Improved WAF logging Multiple reliability fixes Security patch for CVE-2026-44431 Read what's new 👉https://www.skudonet.com/blog/skudonet-enterprise-edition-10-2-1-released/ #HTTP2 #ADC #CyberSecurity

    Post summary

    The announcement highlights the release of Skudonet Enterprise Edition with a stated security patch for CVE‑2026‑44431, without any further exploitation or technical details.

    0000037
    11 followersView on X
CPE platform detail1 entries

1 of 1 entries

PartVendorProductVersionTarget SWTarget HW
Apppythonurllib3---

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