[UPDATE] [medium] CPython: Vulnerability allows data manipulation
A remote, anonymous attacker can exploit a vulnerability in CPython to manipulate data.
CSIRTS triage
- What
- A vulnerability allows data manipulation.
- Who is affected
- Remote, anonymous attackers exploiting CPython.
- Urgency
- Remediation is medium urgency as the severity is medium and exploitation is possible.
- Action
- Update to the latest version of CPython.
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-2026-1520
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-2026-83280.48% 30-day exploitation probability — currently an unlikely target, but scores change as exploit code circulates. Riskier than 38% of all scored CVEs.
Referenced CVEs
| CVE | CSIRTS overview | External |
|---|---|---|
| CVE-2026-8328 | coverage & exploitation status | NVD · CVE.org |
Same CVEs, other sources
How other CERTs, PSIRTs and databases cover the vulnerabilities in this advisory.
- unknownUSN-8509-1: Python vulnerabilitiesubuntu
Recent advisories for CPython
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.
- high[NEW] [high] CPython: Vulnerability allows Denial of Servicecert-bund · 2026-07-10
- low[UPDATE] [low] CPython: Vulnerability allows file manipulationcert-bund · 2026-07-10
- medium[UPDATE] [medium] CPython: Vulnerability allows bypassing security measurescert-bund · 2026-07-10
- medium[UPDATE] [medium] Cpython: Multiple vulnerabilitiescert-bund · 2026-07-10
- low[UPDATE] [low] CPython: Vulnerability allows unspecified attackcert-bund · 2026-07-10
- medium[UPDATE] [medium] cPython: Vulnerability allows Denial of Servicecert-bund · 2026-07-10
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- medium[UPDATE] [medium] Linux Kernel: Multiple vulnerabilities allow denial of service2026-07-10