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CVE-2026-40111

Praison Praisonaiagents command injection

8.8 HIGHPublic exploitEPSS 0.34%
  1. Published9 Apr 2026

Description

PraisonAIAgents is a multi-agent teams system. Prior to 1.5.128, he memory hooks executor in praisonaiagents passes a user-controlled command string directly to subprocess.run() with shell=True at src/praisonai-agents/praisonaiagents/memory/hooks.py. No sanitization is performed and shell metacharacters are interpreted by /bin/sh before the intended command executes. Two independent attack surfaces exist. The first is via pre_run_command and post_run_command hook event types registered through the hooks configuration. The second and more severe surface is the .praisonai/hooks.json lifecycle configuration, where hooks registered for events such as BEFORE_TOOL and AFTER_TOOL fire automatically during agent operation. An agent that gains file-write access through prompt injection can overwrite .praisonai/hooks.json and have its payload execute silently at every subsequent lifecycle event without further user interaction. This vulnerability is fixed in 1.5.128.

CVSS 3.1 breakdown

Attack vectorNetwork
Attack complexityLow
Privileges requiredNone
User interactionRequired
ScopeUnchanged
ConfidentialityHigh
IntegrityHigh
AvailabilityHigh
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

Affected products

Praison Praisonaiagents< 1.5.128

Remediation

Fixed in
Praison Praisonaiagents≥ 1.5.128

References

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Frequently asked

Is CVE-2026-40111 being actively exploited?

CVE-2026-40111 is not in the CISA KEV catalog. A public exploit reference exists, so treat it as exploitable. Its EPSS exploit probability is 0.34%.

How severe is CVE-2026-40111?

CVE-2026-40111 has a CVSS 3.1 base score of 8.8, rated high. EPSS estimates a 0.34% probability of exploitation.

Which products are affected by CVE-2026-40111?

Affected products include Praison Praisonaiagents.

How do I fix CVE-2026-40111?

Upgrade affected software to a fixed version, for example Praison Praisonaiagents 1.5.128 or later, then confirm no affected versions remain in your inventory.

How Secuno handles this

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Data from the NVD, CISA KEV catalog and FIRST EPSS. CVSS 3.1 base score shown where available.