high8.6
CVE-2026-61436
PraisonAI before 4.6.78 fails to verify Svix webhook signatures in AgentMail webhook mode, allowing unauthenticated attackers to forge message.received events.
Impact
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.
Affected packages
| Ecosystem | Package | Affected | Fixed in |
|---|---|---|---|
| pip | praisonai | <= 4.6.77 | 4.6.78 |
Weakness classification
References
- NVD record
- CVE.org record
- GitHub advisory
- https://github.com/advisories/GHSA-7c92-x8vg-4258
- https://github.com/MervinPraison/PraisonAI/security/advisories/GHSA-7c92-x8vg-4258
- https://nvd.nist.gov/vuln/detail/CVE-2026-61436
- https://nvd.nist.gov/vuln/detail/CVE-2026-62172
- https://github.com/MervinPraison/PraisonAI/commit/2a855c470077c7d2e2479a575f7ef7f548d51c33
- https://github.com/MervinPraison/PraisonAI/commit/846568c7a5d8ce9e71e56e4c213f027c04909753
- https://www.vulncheck.com/advisories/praisonai-before-missing-webhook-signature-verification