High 7.3Published Jul 11, 2026

CVE-2026-61428PraisonAI AgentMail before 4.6.78 Message Injection via Webhook

Updated under an hour ago (Oct 26, 2026, 9:30 PM ET)

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It affects MervinPraison PraisonAI. Add what you run to find out whether that includes you.

No exploitation reported and no EPSS estimate yet.

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Exploited in the last 30 days

PraisonAI AgentMail versions before 4.6.78 lack signature verification in webhook mode, allowing unauthenticated attackers to inject messages with spoofed sender addresses. Attackers can POST crafted message.received events to the webhook endpoint to inject arbitrary content into the agent and trigger replies to attacker-controlled addresses, bypassing sender allow/block lists.

CVSS: 7.3 HIGH (v3.1, CNA)CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L
Weakness (CWE): CWE-290
Known exploited: Not in CISA's KEV catalog
EPSS (exploitation in the next 30 days): Not loaded for this CVE
Assigned by: VulnCheck
NVD analysis: Deferred
Record last updated: Jul 13, 2026
First seen by InfoSec Signals: Oct 9, 2026

Affected products

Affected products

MervinPraison PraisonAI mervinpraison:praisonai (from the name)	before 4.6.78; 4.6.78 not affected	CNA record

References

References

https://github.com/MervinPraison/PraisonAI/security/advisories/GHSA-qj9c-59p6-8cgx	vendor-advisory
https://www.vulncheck.com/advisories/praisonai-agentmail-before-message-injection-via-webhook	third-party-advisory

The CVE record on cve.org NVD's entry

The CVE record is authoritative. Products marked “from the name” were identified from the CNA's free-text names, not a CPE, and are matched less certainly. This product uses the NVD API but is not endorsed or certified by the NVD.