CVE-2026-34955
High
Description
PraisonAI is a multi-agent teams system. Prior to version 4.5.97, SubprocessSandbox in all modes (BASIC, STRICT, NETWORK_ISOLATED) calls subprocess.run() with shell=True and relies solely on string-pattern matching to block dangerous commands. The blocklist does not include sh or bash as standalone executables, allowing trivial sandbox escape in STRICT mode via sh -c '<command>'. This issue has been patched in version 4.5.97.
SeverityHigh
CVSS8.8
Exploit probability—
ProductPraisonai
PublishedApr 4, 2026
First seenApr 4, 2026
Weakness typeCWE-78OS command injection
How to fix
Update
- praison praisonai4.5.97 or later
- praisonai4.5.97 or later
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| praison praisonai | v < 4.5.97 | 4.5.97 |
| praisonaiPyPI | v < 4.5.97 | 4.5.97 |
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