CVE-2026-57120 PraisonAI: execute_code sandbox bypass: str.format C-level attribute access reads every blocklisted dunder

PraisonAI is a multi-agent teams system. Prior to praisonaiagents 1.6.59, executecode sandbox mode permits runtime assembly of blocklisted dunder names and allows str.format or str.formatmap to resolve dotted fields through C-level attribute access that bypasses safegetattr. This exposes class,...

CVE-2026-57120

PraisonAI's praisonaiagents package (prior to 1.6.59 ) has a sandbox bypass in the execute_code tool. The subprocess sandbox's AST validator and _safe_getattr wrapper are defeated by combining runtime string assembly of blocklisted dunder names (e.g. "_"*2 + "class" + "_"*2) with C-level attribut...

GHSA-PV2J-RGHR-V5R9 PraisonAI: execute_code sandbox bypass: str.format C-level attribute access reads every blocklisted dunder

Summary The executecode tool's subprocess sandbox advertises a three-layer defense AST validation, text-pattern blocklist, restricted builtins. In sandbox mode the default only two layers are active — the text-pattern blocklist is skipped — and both remaining layers are bypassed by combining two...