CVE Explorer

CVE-2026-40159

PraisonAI is a multi-agent teams system. Prior to 4.5.128, PraisonAI’s MCP (Model Context Protocol) integration allows spawning background servers via stdio using user-supplied command strings (e.g., MCP("npx -y @smithery/cli ...")). These commands are executed through Python’s subprocess module. By default, the implementation forwards the entire parent process environment to the spawned subprocess. As a result, any MCP command executed in this manner inherits all environment variables from the

Lifecycle PUBLISHED1 preserved revisionFact urn:baitaphish:canonical-cve-fact-revision:v2:69d210af75ee079539b941bc20a035d41daefaf6ad2d4f75e726435e6cd3d1c9

Known exploited

Not asserted

Disputed

Stale source

Conflicts

Preserved source conflicts

No provider value was silently selected as the winner.

cwe · 2 assertions

{"cweId":"CWE-200","description":"CWE-200: Exposure of Sensitive Information to an Unauthorized Actor","lang":"en","type":"CWE"}

cve_program_cvelist_v5cwe
urn:baitaphish:normalized-source-record:v2:8b59c5c528fae88edaa10022632e8220605e15a943954139d73189500a25cefe · sha256:e28f9638f6e63d6f… · /containers/cna/problemTypes/0/descriptions/0

{"cweId":"CWE-214","description":"CWE-214: Invocation of Process Using Visible Sensitive Information","lang":"en","type":"CWE"}

cve_program_cvelist_v5cwe
urn:baitaphish:normalized-source-record:v2:8b59c5c528fae88edaa10022632e8220605e15a943954139d73189500a25cefe · sha256:e28f9638f6e63d6f… · /containers/cna/problemTypes/1/descriptions/0

Affected products and versions

1 source assertion

{"product":"PraisonAI","vendor":"MervinPraison","versions":[{"status":"affected","version":"< 4.5.128"}]}

cve_program_cvelist_v5affected
urn:baitaphish:normalized-source-record:v2:8b59c5c528fae88edaa10022632e8220605e15a943954139d73189500a25cefe · sha256:e28f9638f6e63d6f… · /containers/cna/affected/0

Provider-owned CVSS observations

1 source assertion

{"metric":{"attackComplexity":"LOW","attackVector":"LOCAL","availabilityImpact":"NONE","baseScore":5.5,"baseSeverity":"MEDIUM","confidentialityImpact":"HIGH","integrityImpact":"NONE","privilegesRequired":"NONE","scope":"UNCHANGED","userInteraction":"REQUIRED","vectorString":"CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N","version":"3.1"},"metric_type":"cvssV3_1"}

cve_program_cvelist_v5cvss
urn:baitaphish:normalized-source-record:v2:8b59c5c528fae88edaa10022632e8220605e15a943954139d73189500a25cefe · sha256:e28f9638f6e63d6f… · /containers/cna/metrics/0/cvssV3_1

CWE assertions

2 source assertions

{"cweId":"CWE-200","description":"CWE-200: Exposure of Sensitive Information to an Unauthorized Actor","lang":"en","type":"CWE"}

cve_program_cvelist_v5cwe
urn:baitaphish:normalized-source-record:v2:8b59c5c528fae88edaa10022632e8220605e15a943954139d73189500a25cefe · sha256:e28f9638f6e63d6f… · /containers/cna/problemTypes/0/descriptions/0

{"cweId":"CWE-214","description":"CWE-214: Invocation of Process Using Visible Sensitive Information","lang":"en","type":"CWE"}

cve_program_cvelist_v5cwe
urn:baitaphish:normalized-source-record:v2:8b59c5c528fae88edaa10022632e8220605e15a943954139d73189500a25cefe · sha256:e28f9638f6e63d6f… · /containers/cna/problemTypes/1/descriptions/0

Source references

1 source assertion

{"name":"https://github.com/MervinPraison/PraisonAI/security/advisories/GHSA-pj2r-f9mw-vrcq","tags":["x_refsource_CONFIRM"],"url":"https://github.com/MervinPraison/PraisonAI/security/advisories/GHSA-pj2r-f9mw-vrcq"}

cve_program_cvelist_v5reference
urn:baitaphish:normalized-source-record:v2:8b59c5c528fae88edaa10022632e8220605e15a943954139d73189500a25cefe · sha256:e28f9638f6e63d6f… · /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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