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CVE-2026-40153

Praison Praisonaiagents vulnerability

7.4 HIGHPublic exploitEPSS 0.39%
  1. Published9 Apr 2026

Description

PraisonAIAgents is a multi-agent teams system. Prior to 1.5.128, the execute_command function in shell_tools.py calls os.path.expandvars() on every command argument at line 64, manually re-implementing shell-level environment variable expansion despite using shell=False (line 88) for security. This allows exfiltration of secrets stored in environment variables (database credentials, API keys, cloud access keys). The approval system displays the unexpanded $VAR references to human reviewers, creating a deceptive approval where the displayed command differs from what actually executes. This vulnerability is fixed in 1.5.128.

CVSS 3.1 breakdown

Attack vectorNetwork
Attack complexityLow
Privileges requiredNone
User interactionRequired
ScopeChanged
ConfidentialityHigh
IntegrityNone
AvailabilityNone
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:N/A:N

Affected products

Praison Praisonaiagents< 1.5.128

Remediation

Fixed in
Praison Praisonaiagents≥ 1.5.128

References

Frequently asked

Is CVE-2026-40153 being actively exploited?

CVE-2026-40153 is not in the CISA KEV catalog. A public exploit reference exists, so treat it as exploitable. Its EPSS exploit probability is 0.39%.

How severe is CVE-2026-40153?

CVE-2026-40153 has a CVSS 3.1 base score of 7.4, rated high. EPSS estimates a 0.39% probability of exploitation.

Which products are affected by CVE-2026-40153?

Affected products include Praison Praisonaiagents.

How do I fix CVE-2026-40153?

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

Secuno correlates vulnerabilities like CVE-2026-40153 against the real software inventory on every managed device, as each hourly inventory arrives. Rather than a static severity, each match is scored in context: exploit availability, EPSS, the asset's exposure, and business criticality decide where it lands in the queue. If an affected version is present anywhere across your portfolio, it surfaces automatically with a prioritised remediation path.

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