Public proof of conceptFix available

CVE-2026-47392

Q: Is CVE-2026-47392 actively exploited?

A proof-of-concept exploit exists for CVE-2026-47392, but active exploitation has not been confirmed at this time.

Q: What is the CVSS score for CVE-2026-47392?

CVE-2026-47392 has a CVSS v3 base score of 9.9 (CRITICAL severity), with vector string CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H.

A public proof of concept exists; no exploitation attested.

Published2026-07-21
Fixed in4.6.40
WeaknessCWE-184 · CWE-693

Am I affected?

With a domain, we read the version its public headers and pages expose. A distribution build can carry the fix under an older number.

Description

PraisonAI is a multi-agent teams system. Prior to version 4.6.40 of PraisonAI, corresponding to version 1.6.40 of praisonaiagents, `execute_code()` in `praisonaiagents/tools/python_tools.py` (v1.6.37, subprocess sandbox mode) can be fully bypassed using `print.__self__` to retrieve the real Python `builtins` module, from which `__import__` can be extracted via `vars()` and runtime string construction. This achieves arbitrary OS command execution on the host, completely defeating the sandbox. This is a novel bypass that survives all patches for CVE-2026-39888 (frame traversal), CVE-2026-34938 (str subclass), and CVE-2026-40158 (`type.__getattribute__` trampoline). PraisonAI version 4.6.40 and praisonaiagents version 1.6.40 contain an updated fix.

Timeline

dates in UTC

2026-07-2116:17CVE publishedNVD

Observed activity

isMalicious corpus · updated 2026-10-25 15:37 UTC

Indicators tagged with this CVE, per day0 indicators over 7 days

Block these indicators

Firewall list (EDL, text): https://api.ismalicious.com/edl/cve/CVE-2026-47392?format=txt
CSV export: https://api.ismalicious.com/edl/cve/CVE-2026-47392?format=csv
TAXII collection of exploited CVEs
The EDL and CSV take an API key on the Pro plan.

Versions per branch

OSV

praisonai

Branch	Affected	Fixed in	Source
4.6	< 4.6.40	4.6.40	OSV

praisonaiagents

Branch	Affected	Fixed in	Source
1.6	< 1.6.40	1.6.40	OSV

as publishedRanges as NVD and OSV publish them; a distribution’s build can be fixed under an older number.

Fix

Update praisonai to 4.6.40

Detection

Nuclei template: none so far
Exploit-DB: no entry
Proof-of-concept repositories: none listed

Sources

NVDCVE recordread 2026-10-23
CISA-ADPSSVC decisionpoc2026-07-21
OpenCVESSVC decisionpoc—
CNACVSS 3.19.9read 2026-10-23
CNAweakness (CWE)CWE-184, CWE-693read 2026-10-23
FIRST EPSSEPSS score0.9 %2026-10-25
OSVaffected packages—

Technical details

CVSS v3 Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H
Published: 2026-07-21
Last Modified: 2026-07-21
NVD status: Deferred

Frequently asked questions

What is CVE-2026-47392?

Is CVE-2026-47392 actively exploited?

A proof-of-concept exploit exists for CVE-2026-47392, but active exploitation has not been confirmed at this time.

What is the CVSS score for CVE-2026-47392?

CVE-2026-47392 has a CVSS v3 base score of 9.9 (CRITICAL severity), with vector string CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H.

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