CVE-2026-40157
CRITICALPraisonAI affected by arbitrary file write via path traversal in `praisonai recipe unpack`
Title source: cnaDescription
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.
References (1)
Core 1
Core References
X_Refsource_Confirm x_refsource_confirm
https://github.com/MervinPraison/PraisonAI/security/advisories/GHSA-99g3-w8gr-x37c
Scores
CVSS v4
9.4
EPSS
0.0038
EPSS Percentile
29.5%
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:P/VC:H/VI:H/VA:H/SC:H/SI:H/SA:H
CISA SSVC
Vulnrichment
Exploitation
poc
Automatable
no
Technical Impact
total
Details
CWE
CWE-22
Status
published
Products (2)
MervinPraison/PraisonAI
< 4.5.128
pypi/PraisonAI
2.7.2 - 4.5.128PyPI
Published
Apr 10, 2026
Tracked Since
Apr 10, 2026