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CVE-2026-40115

PraisonAI is a multi-agent teams system. Prior to 4.5.128, the WSGI-based recipe registry server (server.py) reads the entire HTTP request body into memory based on the client-supplied Content-Length header with no upper bound. Combined with authentication being disabled by default (no token configured), any local process can send arbitrarily large POST requests to exhaust server memory and cause a denial of service. The Starlette-based server (serve.py) has RequestSizeLimitMiddleware with a 10M
Lifecycle PUBLISHED1 preserved revisionFact urn:baitaphish:canonical-cve-fact-revision:v2:077028263d5a8d2ee05fd99a1eed1471239de43fca6982aaef57906cf4bc50fc
Known exploited
Not asserted
Disputed
No
Stale source
No
Conflicts
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:v2:2d04def4c5f8999bdb41daa5831dc8c869be454ea78f674c82617c1ee9058933 · sha256:973d6173283c7131… · /containers/cna/affected/0

Provider-owned CVSS observations

1 source assertion
{"metric":{"attackComplexity":"LOW","attackVector":"LOCAL","availabilityImpact":"HIGH","baseScore":6.2,"baseSeverity":"MEDIUM","confidentialityImpact":"NONE","integrityImpact":"NONE","privilegesRequired":"NONE","scope":"UNCHANGED","userInteraction":"NONE","vectorString":"CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","version":"3.1"},"metric_type":"cvssV3_1"}
  • cve_program_cvelist_v5cvss
    urn:baitaphish:normalized-source-record:v2:2d04def4c5f8999bdb41daa5831dc8c869be454ea78f674c82617c1ee9058933 · sha256:973d6173283c7131… · /containers/cna/metrics/0/cvssV3_1

CWE assertions

1 source assertion
{"cweId":"CWE-770","description":"CWE-770: Allocation of Resources Without Limits or Throttling","lang":"en","type":"CWE"}
  • cve_program_cvelist_v5cwe
    urn:baitaphish:normalized-source-record:v2:2d04def4c5f8999bdb41daa5831dc8c869be454ea78f674c82617c1ee9058933 · sha256:973d6173283c7131… · /containers/cna/problemTypes/0/descriptions/0

Source references

2 source assertions
{"tags":["exploit"],"url":"https://github.com/MervinPraison/PraisonAI/security/advisories/GHSA-2xgv-5cv2-47vv"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:2d04def4c5f8999bdb41daa5831dc8c869be454ea78f674c82617c1ee9058933 · sha256:973d6173283c7131… · /containers/adp/0/references/0
{"name":"https://github.com/MervinPraison/PraisonAI/security/advisories/GHSA-2xgv-5cv2-47vv","tags":["x_refsource_CONFIRM"],"url":"https://github.com/MervinPraison/PraisonAI/security/advisories/GHSA-2xgv-5cv2-47vv"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:2d04def4c5f8999bdb41daa5831dc8c869be454ea78f674c82617c1ee9058933 · sha256:973d6173283c7131… · /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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