CVE-2026-40153: PraisonAIAgents is a multi-agent teams system

Q: How do I fix CVE-2026-40153?

praisonaiagents: upgrade to 1.5.128. Exact commands for each OS are on this page.

Q: Is CVE-2026-40153 being exploited?

CVE-2026-40153 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.

Q: What does CVE-2026-40153 affect?

CVE-2026-40153 affects praisonaiagents. Severity is high (CVSS 7.4). 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 expan

Q: How urgent is CVE-2026-40153?

Priority 36/100. High severity; Public exploit reference

Routine

HIGH 7.4UPGRADE

CVE-2026-40153 is a high-severity flaw (CVSS 7.4) affecting praisonaiagents. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

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 u

Why this priority

High severity
Public exploit reference

A fixed release or distro patch exists.

Risk facts

CVSS score	7.4 (High)
Attack vector	Network (remote)
Attack complexity	Low
Privileges needed	None
User interaction	Required
EPSS exploit chance	0.3% (top 81%)
CISA exploited list	No
Weakness	CWE-526
Published	2026-04-09
Last modified	2026-10-26

Publisher (CNA): GitHub, Inc. · Vendor: praison

Last updated 2026-10-26 · Sources: CVE Program, NVD, CISA KEV, EPSS and vendor advisories · How we score

Am I affected?

Timeline

2026-04-09 22:16 UTCPublished CVE record published
2026-10-26 21:10 UTCUpdated Record last modified

praison praisonaiagents UPGRADE

Affected: < 1.5.128

Fixed in: 1.5.128

Safe to downgrade to: no unaffected older release

1. Check installed version

apt-cache policy praisonaiagents || rpm -q praisonaiagents || praisonaiagents --version

2. UPGRADE to 1.5.128 (Debian / Ubuntu)

sudo apt update && sudo apt install --only-upgrade praisonaiagents

2. UPGRADE (RHEL / Amazon Linux / Fedora)

sudo dnf upgrade praisonaiagents

Note

Distros often backport fixes without changing the version number. Confirm with the distro advisory or changelog.

Verify at the official source NVD · CVE Program · Report a problem with this page
Scores and fixes here are computed automatically from those and other public sources. Confirm with the vendor advisory before changing production systems.

Quick answers

How do I fix CVE-2026-40153?

praisonaiagents: upgrade to 1.5.128. Exact commands for each OS are on this page.

Is CVE-2026-40153 being exploited?

CVE-2026-40153 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.

What does CVE-2026-40153 affect?

CVE-2026-40153 affects praisonaiagents. Severity is high (CVSS 7.4). 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 expan

How urgent is CVE-2026-40153?

Priority 36/100. High severity; Public exploit reference

Related CVEs

CVE-2026-40288 CRITICAL 9.8 UPGRADE UPGRADE PraisonAI is a multi-agent teams system
CVE-2026-40289 CRITICAL 9.1 UPGRADE UPGRADE PraisonAI is a multi-agent teams system
CVE-2026-40111 HIGH 8.8 UPGRADE PraisonAIAgents is a multi-agent teams system
CVE-2026-40287 HIGH 8.4 UPGRADE UPGRADE PraisonAI is a multi-agent teams system
CVE-2026-40152 MEDIUM 5.3 UPGRADE PraisonAIAgents is a multi-agent teams system

References

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