CVE-2026-40157
PraisonAI affected by arbitrary file write via path traversal in `praisonai recipe unpack`
CVSS Score
0.0
EPSS Score
0.1%
EPSS Percentile
22th
PraisonAI is a multi-agent teams system. Prior to 4.5.128, cmd_unpack in the recipe CLI extracts .praison tar archives using raw tar.extract() without validating archive member paths. A .praison bundle containing ../../ entries will write files outside the intended output directory. An attacker who distributes a malicious bundle can overwrite arbitrary files on the victim's filesystem when they run praisonai recipe unpack. This vulnerability is fixed in 4.5.128.
| CWE | CWE-22 |
| Vendor | mervinpraison |
| Product | praisonai |
| Published | Apr 10, 2026 |
| Last Updated | Apr 14, 2026 |
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Affected Versions
MervinPraison / PraisonAI
< 4.5.128