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TI-2026-44043 Aliases CVE-2026-61438GHSA-26mh-57q7-jfvrGHSA-qh3g-555w-f82q

PraisonAI before 4.6.78 Remote Code Execution via Broken AST Sandbox

Priority HIGH 66CWE-78Published · Updated

Key facts

Attack vector
Local
Privileges required
Low
User interaction
Passive
Attack complexity
Low
Attack requirements
None
Impact type
Code execution, Security bypass
Confidentiality · integrity · availability
High · High · High
Fix status
Fixed

Attack profile from CVSS 4.0 · CNA. Fix status from CNA and GitHub. Impact type from CWE-78 and CWE-693.

Summary

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.

Why it matters now

Exploitation Proof of concept CISA SSVC · not in CISA KEV
EPSS 0.0031 24th percentileScored 2026-11-07
Fix Fixed PraisonAI (MervinPraison): 4.6.78praisonai (PyPI): 4.6.78

SSVC decision points

CISA ADP · SSVC 2.0.3

Exploitation
Poc
Automatable
No
Technical impact
Total

The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.

Affected products

VendorProductAffected versionsFixed inStatusSource
MervinPraisonPraisonAIbefore 4.6.784.6.78Patch availableCNA
—praisonai (PyPI)before 4.6.784.6.78Patch availableGHSA-26mh-57q7-jfvr
  • PraisonAI VendorMervinPraison Affected before 4.6.78 Fixed in 4.6.78 Patch available CNA
  • praisonai (PyPI) Vendor— Affected before 4.6.78 Fixed in 4.6.78 Patch available GHSA-26mh-57q7-jfvr

CPE names Threatist (inferred) · 1

Inferred from how NVD named this product before; not given by a source.

CPEVersionsRoleVendor
cpe:2.3:a:praison:praisonai:*:*:*:*:*:*:*:*——MervinPraison
  • cpe:2.3:a:praison:praisonai:*:*:*:*:*:*:*:* Versions — — ·MervinPraison

Remediation

  • Fix · CNA PraisonAI (MervinPraison) Fixed in 4.6.78
  • Fix · GHSA-26mh-57q7-jfvr praisonai (PyPI) Fixed in 4.6.78 Advisory →

Fixed in the same release

Records fixed by the same vendor advisory or release, as the CNA lists them.

  • Release ·

    MervinPraison PraisonAI 4.6.78

    6 records Highest priority Priority HIGH 4 HIGH, 1 MEDIUM, 1 LOW

    Other records, highest priority first

    • TI-2026-44041 PraisonAI before 4.6.78 Missing Webhook Signature VerificationPriority HIGH 77
    • TI-2026-44040 PraisonAI before 4.6.78 Authentication Bypass via Host Header SpoofingPriority HIGH 77
    • TI-2026-44032 PraisonAI before 4.6.78 Authentication Bypass via HTTP-streamPriority HIGH 70
    Show all 6 records →

Timeline

  1. 2026-10-02 Threatist record created from CVE-2026-61438
  2. 2026-10-03 Alias added: GHSA-qh3g-555w-f82q
  3. 2026-10-29 Alias added: GHSA-26mh-57q7-jfvr
  4. 2026-10-29 Fix available: PyPI/[email protected] · GHSA-26mh-57q7-jfvr
  5. 2026-10-29 CVSS score added · GHSA-26mh-57q7-jfvr
  6. 2026-10-29 Weakness changed · GHSA-26mh-57q7-jfvr
  7. 2026-10-29 4 new references · GHSA-26mh-57q7-jfvr

References

Advisory 3

Other 1

  • TI-2026-79619 Missing authentication in PraisonAI AgentOS exposes agent chat CVSS 3.1CRITICAL 9.8
  • TI-2026-71236 Missing access control in PraisonAI AgentTeam exposes agent endpoints CVSS 3.1CRITICAL 9.8
  • TI-2026-44052 PraisonAI before 1.6.78 Remote Code Execution via CodeAgent CVSS 4.0CRITICAL 10.0
  • TI-2026-41123 praisonai-platform 0.1.4 still boots on the hardcoded JWT secret dev-secret-change-me (default-open production guard) CVSS 3.1CRITICAL 9.8
  • TI-2026-41122 praisonai-platform: default JWT signing secret 'dev-secret-change-me' enables token forgery CVSS 3.1CRITICAL 9.8
  • TI-2026-41118 PraisonAI MCPServer exposes unauthenticated HTTP tools/call CVSS 3.1CRITICAL 9.8
See all 177 →

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences