CVE-2026-40088: PraisonAI is a multi-agent teams system

Q: How do I fix CVE-2026-40088?

praisonai: upgrade to 4.5.121. Exact commands for each OS are on this page.

Q: Is CVE-2026-40088 being exploited?

CVE-2026-40088 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-2026-40088 affect?

CVE-2026-40088 affects praisonai. Severity is critical (CVSS 9.6). PraisonAI is a multi-agent teams system. Prior to 4.5.121, the execute_command function and workflow shell execution are exposed to user-controlled input via agent workflows, YAML definitions, and LLM-generated tool calls, allowing attacker

Q: How urgent is CVE-2026-40088?

Priority 48/100. Critical severity; Public exploit reference

This month

CRITICAL 9.6UPGRADE

CVE-2026-40088 is a critical-severity flaw (CVSS 9.6) affecting praisonai. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

PraisonAI is a multi-agent teams system. Prior to 4.5.121, the execute_command function and workflow shell execution are exposed to user-controlled input via agent workflows, YAML definitions, and LLM-generated tool calls, allowing attackers to inject arbitrary shell commands through shell metacharacters. This vulnerability is fixed in 4.5.121.

Why this priority

Critical severity
Public exploit reference

A fixed release or distro patch exists.

Risk facts

CVSS score	9.6 (Critical)
Attack vector	Network (remote)
Attack complexity	Low
Privileges needed	None
User interaction	Required
EPSS exploit chance	0.4% (top 64%)
CISA exploited list	No
Weakness	CWE-78
Published	2026-04-09
Last modified	2026-10-25

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

Last updated 2026-10-25 · Sources: CVE Program, NVD, CISA KEV, EPSS and vendor advisories · How we score

Am I affected?

Timeline

2026-04-09 20:16 UTCPublished CVE record published
2026-10-25 23:10 UTCUpdated Record last modified

praison praisonai UPGRADE

Affected: < 4.5.121

Fixed in: 4.5.121

Safe to downgrade to: no unaffected older release

1. Check installed version

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

2. UPGRADE to 4.5.121 (Debian / Ubuntu)

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

2. UPGRADE (RHEL / Amazon Linux / Fedora)

sudo dnf upgrade praisonai

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-2026-40088?

praisonai: upgrade to 4.5.121. Exact commands for each OS are on this page.

Is CVE-2026-40088 being exploited?

CVE-2026-40088 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-2026-40088 affect?

CVE-2026-40088 affects praisonai. Severity is critical (CVSS 9.6). PraisonAI is a multi-agent teams system. Prior to 4.5.121, the execute_command function and workflow shell execution are exposed to user-controlled input via agent workflows, YAML definitions, and LLM-generated tool calls, allowing attacker

How urgent is CVE-2026-40088?

Priority 48/100. Critical severity; Public exploit reference

Related CVEs

CVE-2026-40157 HIGH 8.8 UPGRADE PraisonAI is a multi-agent teams system

References

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