What's the vulnerability?

Class pollution vulnerability in deepdiff Delta class allows RCE via tuple path bypass of dunder attribute filters

Root Cause Analysis
One Command

Verify with pruva-verify

Run the Pruva CLI to automatically fetch and execute the reproduction script.

pruva-verify REPRO-2026-00063
or pruva-verify GHSA-mw26-5g2v-hqw3
or pruva-verify CVE-2025-58367
Install: curl -fsSL https://pruva.dev/install.sh | sh

Or Run Manually

1

Download the script

curl -O https://pruva.dev/api/v1/reproductions/REPRO-2026-00063/artifacts/repro/reproduction_steps.sh
2

Make executable

chmod +x reproduction_steps.sh
3

Run the script

./reproduction_steps.sh
Run in a VM, container, or disposable environment. This exploits a real vulnerability.

How Pruva Reproduced This

Watch the AI agent's step-by-step process.

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