CVE-2026-61438

PraisonAI before 4.6.78 Remote Code Execution via Broken AST Sandbox

HIGH
7.3
CVSS Score
Published: July 15, 2026 at 11:25 AM UTC
Updated: October 24, 2026 at 09:10 PM UTC
1 product affected across 1 vendorPraisonAI

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Severity
HIGH7.3
Exploit prediction
EPSS 0.3%
SSVC
PoC

Description

PraisonAI before 4.6.78 contains a remote code execution vulnerability in JobWorkflowExecutor._exec_inline_python() due to insufficient AST validation of workflow script steps. Attackers can create malicious YAML workflow files with import os statements followed by os.system() calls that bypass sandbox checks and execute arbitrary OS commands with process privileges.

Affected

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

0 ≤ v < 4.6.780
Affected range stops below 4.6.78, so it looks safe — our inference, not a vendor statement
Vendor states this is fixed in 4.6.78 (unaffected)

Remediation

No guide yet

No remediation guidance has been written for this CVE yet. What the record does show:

SSVC — Action Prioritization

SSVCPoCNot automatableTotal impact

SSVC signals action urgency (what to patch first), separate from CVSS which measures severity.

CVSS

7.3HIGHVulnCheck
Attack Vector
LOCAL
Complexity
LOW
Privileges
LOW
User Interaction
REQUIRED
Scope
UNCHANGED
Confidentiality
HIGH
Integrity
HIGH
Availability
HIGH
Vector?

Quick Info

StatusDEFERRED
CWE
CWE-78

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