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🛡️ CVE-2025-50181 on PyPI (Root.io) — rootio-urllib3

🟡 CVSS 5.0 — Medium ✅ No Known Exploit OSV
5.0
CVSS Score
0 Low4 Medium7 High9 Critical10

Description

CVE-2025-50181 in rootio-urllib3 - Patched by Root

Root has patched CVE-2025-50181 in the rootio-urllib3 package for Root:PyPI. Multiple fixed versions available.

Distribution advisory

This page covers CVE-2025-50181 as tracked by PyPI (Root.io), for the package rootio-urllib3. The fix is available in version 1.21.1+root.io.4; earlier versions remain affected.

How this vulnerability can be exploited

This issue can be reached over the network, attack complexity is high, an attacker needs low-level privileges on the target. No user interaction is required. The scope is unchanged, so the impact stays within the vulnerable component. Rated impact: confidentiality high, integrity none, availability none.

CVSS metrics in full

The score comes from this vector: CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:N/A:N

  • Attack vector: Network — reachable from anywhere that can route to the service.
  • Attack complexity: High — the attacker first has to win a race, learn a secret or otherwise prepare the target.
  • Privileges required: Low — an ordinary user account is enough.
  • User interaction: None — nobody has to be tricked into anything.
  • Scope: Unchanged — the damage stays inside the vulnerable component.
  • Confidentiality impact: High — total loss, or loss the attacker controls.
  • Integrity impact: None.
  • Availability impact: None.

Weakness class

ROOT-APP-PYPI-CVE-2025-50181 is classified as CWE-601: Open Redirect. A redirect target is taken from user input, so a trusted link can send the visitor to an attacker's site.

Affected software

ROOT-APP-PYPI-CVE-2025-50181 is recorded against 2 packages.

  • rootio-urllib3 (fixed in 1.21.1+root.io.4)
  • urllib3 (fixed in 1.21.1+aikido.4)

Timeline and source

Published on 23 June 2026. No public exploit is currently recorded for this entry. Record sourced from OSV.

Other advisories for this package

rootio-urllib3 has other advisories on record. If you are patching this one, these are worth checking on the same host:

Same weakness in other software

These advisories are the same class of weakness (CWE-601: Open Redirect) in other software:

CVE-2025-50181 on other distributions

Each distribution ships its own build and its own fixed version. Pick the one you run:

Details

Severity MEDIUM
CVSS Score 5.0
CVSS Vector CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:N/A:N
CWE N/A
Public Exploit ✅ No
Source OSV
Published 2026-06-23
Updated 2026-08-20
Modified 2026-06-23
Fix URL N/A

Affected Packages

Software From version Fixed in
rootio-urllib3 — 1.21.1+root.io.4
urllib3 — 1.21.1+aikido.4

References

N/A

Vulnerability Monitoring

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