Friday 6 November
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CPython memory-safety flaw lets malicious AI model templates escape sandboxes

Severity
Medium
Sources
1

Security researchers at RunSybil found a flaw in the Python interpreter that could let a booby-trapped AI model break out of its safety sandbox and run commands on the server hosting it. The Python maintainers disagree that the interpreter is responsible for this, but a fix has been added to several Python versions.

Like I’m new · Written by AI from 1 source · Wrong?

What to do

  1. If you run Python 3.13, 3.14 or 3.15, apply the CPython fix that was backported to those branches.
  2. If you host customer-uploaded models, do not rely on a template sandbox as your only security boundary.
  3. Plan an upgrade path off Python 3.12, which did not receive the backport.

Written by AI from the sources, checked against them

Full story timeline · 1 update

  1. Fri 6 NovemberCPython flaw exposes AI inference servers to sandbox escape attacksCSO Online

Who reported · 1 outlet

CSO Online

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