[UPDATE] [medium] Python: Vulnerability allows Denial of Service
A remote, anonymous attacker can exploit a vulnerability in Python to carry out a denial of service attack.
CSIRTS triage
- What
- A remote, anonymous attacker can exploit a vulnerability in Python to carry out a denial of service attack.
- 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.
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Details
Original advisory: https://wid.cert-bund.de/portal/wid/securityadvisory?name=WID-SEC-2025-1664
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-2025-81940.61% 30-day exploitation probability — currently an unlikely target, but scores change as exploit code circulates. Riskier than 45% of all scored CVEs.
Referenced CVEs
| CVE | CSIRTS overview | External |
|---|---|---|
| CVE-2025-8194 | coverage & exploitation status | NVD · CVE.org |
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.
- unknownCVE-2026-55665: Grist is spreadsheet software using Python as its formula language. Prior to 1.7.15, Grist con…nvd · 2026-07-10
- mediumCVE-2026-55664: Grist is spreadsheet software using Python as its formula language. Prior to 1.7.15, the GET /…nvd · 2026-07-10
- highCVE-2026-55659: Grist is spreadsheet software using Python as its formula language. Prior to 1.7.15, several s…nvd · 2026-07-10
- low[UPDATE] [low] Python: Vulnerability allows path traversalcert-bund · 2026-07-10
- medium[UPDATE] [medium] Python: Vulnerability allows code executioncert-bund · 2026-07-10
- medium[UPDATE] [medium] Python: Multiple vulnerabilities allow Denial of Servicecert-bund · 2026-07-10
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- medium[UPDATE] [medium] Linux Kernel: Multiple vulnerabilities allow denial of service2026-07-10