{"cve":"CVE-2026-61436","nvd":{"published":"2026-07-15T12:18:18.847","modified":"2026-10-24T21:10:00.130","status":"Deferred","description":"PraisonAI before 4.6.78 fails to verify Svix webhook signatures in AgentMail webhook mode, allowing unauthenticated attackers to forge message.received events. Attackers can send crafted JSON payloads to the webhook endpoint to invoke configured agents with arbitrary sender addresses and message content.","cvss_v4":{"vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:H/VA:L/SC:N/SI:N/SA:N","score":8.8},"cvss_v3":{"version":"3.1","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:H/A:L","score":8.6},"cwes":["CWE-287"],"references":["https://github.com/MervinPraison/PraisonAI/commit/2a855c470077c7d2e2479a575f7ef7f548d51c33","https://github.com/MervinPraison/PraisonAI/commit/846568c7a5d8ce9e71e56e4c213f027c04909753","https://github.com/MervinPraison/PraisonAI/security/advisories/GHSA-7c92-x8vg-4258","https://www.vulncheck.com/advisories/praisonai-before-missing-webhook-signature-verification","https://github.com/MervinPraison/PraisonAI/security/advisories/GHSA-7c92-x8vg-4258"],"products":[],"source":"nvd","synced_at":"2026-10-25T17:50:08.599881581+00:00"},"epss":{"cve":"CVE-2026-61436","score":0.0039,"percentile":0.32849,"date":"2026-10-25"},"kev":null,"osv":[{"id":"GHSA-7c92-x8vg-4258","url":"https://osv.dev/vulnerability/GHSA-7c92-x8vg-4258","summary":"PraisonAI: AgentMail webhook mode accepts forged unsigned message.received events and invokes agents","modified":"2026-10-15T14:55:38.603870832Z","packages":[{"ecosystem":"PyPI","name":"praisonai","purl":"pkg:pypi/praisonai","ranges":["<4.6.78"],"fixed":["4.6.78"]}]},{"id":"PYSEC-2026-4252","url":"https://osv.dev/vulnerability/PYSEC-2026-4252","summary":"PraisonAI: AgentMail webhook mode accepts forged unsigned message.received events and invokes agents","modified":"2026-10-15T14:45:08.881943660Z","packages":[{"ecosystem":"PyPI","name":"praisonai","purl":"pkg:pypi/praisonai","ranges":["<4.6.78"],"fixed":["4.6.78"]}]}],"attribution":["This product uses the NVD API but is not endorsed or certified by the NVD.","EPSS scores: FIRST Exploit Prediction Scoring System, https://www.first.org/epss","Known exploited vulnerabilities: CISA Known Exploited Vulnerabilities Catalog, https://www.cisa.gov/known-exploited-vulnerabilities-catalog","Package advisories: OSV (https://osv.dev), from the GitHub Advisory Database, PyPA, Go, RustSec and other ecosystem databases, under CC-BY 4.0 or CC0","CVE records: the CVE Program's CVE List (https://www.cve.org), under its terms of use (https://www.cve.org/Legal/TermsOfUse). CVE is a registered trademark of The MITRE Corporation; this product is not affiliated with the CVE Program."]}