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CVE-2026-40288

PraisonAI is a multi-agent teams system. In versions below 4.5.139 of PraisonAI and 1.5.140 of praisonaiagents, the workflow engine is vulnerable to arbitrary command and code execution through untrusted YAML files. When praisonai workflow run <file.yaml> loads a YAML file with type: job, the JobWorkflowExecutor in job_workflow.py processes steps that support run: (shell commands via subprocess.run()), script: (inline Python via exec()), and python: (arbitrary Python script execution)—all withou
Lifecycle PUBLISHED1 preserved revisionFact urn:baitaphish:canonical-cve-fact-revision:v2:0f63a245c7039e323a2496b66ef22d7f714aefaf1ebafed0bf87f3f8fb6a0cff
Known exploited
Not asserted
Disputed
No
Stale source
No
Conflicts
2

Preserved source conflicts

No provider value was silently selected as the winner.

affected · 2 assertions

{"product":"PraisonAI","vendor":"MervinPraison","versions":[{"status":"affected","version":"< 4.5.139"}]}

  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:ac58dd53d5991d232602764c6b5bacf1d3dfae9351ce3469c228f8fc35c26e50 · sha256:3ee02dfa71f644ae… · /containers/cna/affected/0

{"product":"praisonaiagents","vendor":"MervinPraison","versions":[{"status":"affected","version":"< 1.5.140"}]}

  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:ac58dd53d5991d232602764c6b5bacf1d3dfae9351ce3469c228f8fc35c26e50 · sha256:3ee02dfa71f644ae… · /containers/cna/affected/1
cwe · 2 assertions

{"cweId":"CWE-94","description":"CWE-94: Improper Control of Generation of Code ('Code Injection')","lang":"en","type":"CWE"}

  • cve_program_cvelist_v5cwe
    urn:baitaphish:normalized-source-record:v2:ac58dd53d5991d232602764c6b5bacf1d3dfae9351ce3469c228f8fc35c26e50 · sha256:3ee02dfa71f644ae… · /containers/cna/problemTypes/1/descriptions/0

{"cweId":"CWE-78","description":"CWE-78: Improper Neutralization of Special Elements used in an OS Command ('OS Command Injection')","lang":"en","type":"CWE"}

  • cve_program_cvelist_v5cwe
    urn:baitaphish:normalized-source-record:v2:ac58dd53d5991d232602764c6b5bacf1d3dfae9351ce3469c228f8fc35c26e50 · sha256:3ee02dfa71f644ae… · /containers/cna/problemTypes/0/descriptions/0

Affected products and versions

2 source assertions
{"product":"PraisonAI","vendor":"MervinPraison","versions":[{"status":"affected","version":"< 4.5.139"}]}
  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:ac58dd53d5991d232602764c6b5bacf1d3dfae9351ce3469c228f8fc35c26e50 · sha256:3ee02dfa71f644ae… · /containers/cna/affected/0
{"product":"praisonaiagents","vendor":"MervinPraison","versions":[{"status":"affected","version":"< 1.5.140"}]}
  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:ac58dd53d5991d232602764c6b5bacf1d3dfae9351ce3469c228f8fc35c26e50 · sha256:3ee02dfa71f644ae… · /containers/cna/affected/1

Provider-owned CVSS observations

1 source assertion
{"metric":{"attackComplexity":"LOW","attackVector":"NETWORK","availabilityImpact":"HIGH","baseScore":9.8,"baseSeverity":"CRITICAL","confidentialityImpact":"HIGH","integrityImpact":"HIGH","privilegesRequired":"NONE","scope":"UNCHANGED","userInteraction":"NONE","vectorString":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","version":"3.1"},"metric_type":"cvssV3_1"}
  • cve_program_cvelist_v5cvss
    urn:baitaphish:normalized-source-record:v2:ac58dd53d5991d232602764c6b5bacf1d3dfae9351ce3469c228f8fc35c26e50 · sha256:3ee02dfa71f644ae… · /containers/cna/metrics/0/cvssV3_1

CWE assertions

2 source assertions
{"cweId":"CWE-94","description":"CWE-94: Improper Control of Generation of Code ('Code Injection')","lang":"en","type":"CWE"}
  • cve_program_cvelist_v5cwe
    urn:baitaphish:normalized-source-record:v2:ac58dd53d5991d232602764c6b5bacf1d3dfae9351ce3469c228f8fc35c26e50 · sha256:3ee02dfa71f644ae… · /containers/cna/problemTypes/1/descriptions/0
{"cweId":"CWE-78","description":"CWE-78: Improper Neutralization of Special Elements used in an OS Command ('OS Command Injection')","lang":"en","type":"CWE"}
  • cve_program_cvelist_v5cwe
    urn:baitaphish:normalized-source-record:v2:ac58dd53d5991d232602764c6b5bacf1d3dfae9351ce3469c228f8fc35c26e50 · sha256:3ee02dfa71f644ae… · /containers/cna/problemTypes/0/descriptions/0

Source references

1 source assertion
{"name":"https://github.com/MervinPraison/PraisonAI/security/advisories/GHSA-vc46-vw85-3wvm","tags":["x_refsource_CONFIRM"],"url":"https://github.com/MervinPraison/PraisonAI/security/advisories/GHSA-vc46-vw85-3wvm"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:ac58dd53d5991d232602764c6b5bacf1d3dfae9351ce3469c228f8fc35c26e50 · sha256:3ee02dfa71f644ae… · /containers/cna/references/0

Attribution and limitations

  • CVE Program CVEList V5: Reproduce the MITRE copyright designation and CVE license in copies. Source →

Provider severity values are preserved separately. Baitaphish does not convert them into a risk rating, infer affected products, or treat EPSS as observed exploitation.

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