Vulnerability in Python (August 21, 2026)
A vulnerability has been discovered in Python. It allows an attacker to cause a security policy bypass.
CSIRTS triage
- What
- A vulnerability in Python allows an attacker to bypass security policy enforcement.
- Who is affected
- Python deployments running affected versions.
- Urgency
- Unknown severity; security policy bypass impact depends on deployment context and should be assessed.
- Action
- Apply the security patch for CVE-2026-19672 when available.
AI-assisted analysis generated from the source advisory — verify against the original.
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Details
Original advisory: https://www.cert.ssi.gouv.fr/avis/CERTFR-2026-AVI-1062/
Exploitation outlook
EPSS (FIRST.org) estimates each CVE’s probability of exploitation in the next 30 days — here is the CSIRTS.com read on those numbers.
- Low exploitation riskCVE-2026-196720.32% 30-day exploitation probability — currently an unlikely target, but scores change as exploit code circulates. Riskier than 25% of all EPSS-scored CVEs.
Referenced CVEs
| CVE | CSIRTS overview | External |
|---|---|---|
| CVE-2026-19672 | coverage & exploitation status | NVD · CVE.org |
Same CVEs, other sources
How other CERTs, PSIRTs and databases cover the vulnerabilities in this advisory.
Recent advisories for Python
A cluster of recent advisories against the same product widens the attack surface — attackers routinely chain freshly published CVEs on one product, so review these together.
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- criticalCVE-2026-45018: Chainlit is a Python framework for building production-ready conversational AI applications. F…nvd · 2026-08-25
- highCVE-2026-78379: Improper neutralization of input used for LLM prompting in the python_repl tool in Amazon Stra…nvd · 2026-08-25
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