CVE-2025-4138
A remote, anonymous attacker can exploit a vulnerability in Python to bypass security measures.
CSIRTS triage
- What
- A remote, anonymous attacker can exploit a vulnerability in Python to bypass security measures.
- Who is affected
- Remote deployments of Python are affected.
- Urgency
- Remediation is medium urgency as the severity is medium and exploitation is possible.
- Action
- Apply the latest patches for Python.
AI-assisted analysis generated from the source advisory — verify against the original.
⚡ Watch CVE-2025-4138
Get an email if CVE-2025-4138 is added to CISA KEV, gains public exploit code, or a new advisory cites it — max one per day, one-click unsubscribe.
Exploitation outlook
- Moderate exploitation risk1.1% 30-day exploitation probability. Patch within normal cadence, watch for KEV listing. Riskier than 62% of all EPSS-scored CVEs.
Advisory coverage (1)
- medium[UPDATE] [medium] Python: Vulnerability allows bypassing security measurescert-bund · 2026-07-10
External references
Embed the live status
— this badge updates automatically when the KEV or exploit status changes. How to embed it →
[](https://www.csirts.com/cve/CVE-2025-4138)