6.5
/ 10
MEDIUM
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
Description
PraisonAI is a multi-agent teams system. Prior to 4.5.128, the _safe_extractall() function in PraisonAI's recipe registry validates archive members against path traversal attacks but performs no checks on individual member sizes, cumulative extracted size, or member count before calling tar.extractall(). An attacker can publish a malicious recipe bundle containing highly compressible data (e.g., 10GB of zeros compressing to ~10MB) that exhausts the victim's disk when pulled via LocalRegistry.pull() or HttpRegistry.pull(). This vulnerability is fixed in 4.5.128.
Basic Information
ID
CVE-2026-40148
Source
GitHub_M
Published
Apr 9, 2026 at 21:22
Affected Product
Vendor
MervinPraison
Product
PraisonAI
Version
< 4.5.128
Affected Versions
MervinPraison PraisonAI < 4.5.128