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. Attackers can send crafted JSON payloads to the webhook endpoint to invoke configured agents with arbitrary sender addresses and message content.
- CVSS 4.0
- 8.8
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 - CVSS 3.1
- 8.6
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:H/A:L - EPSS
- 0.4% chance of exploitation in the next 30 days; higher than 32% of CVEs (scores of 2026-10-25)
- CWE
- CWE-287
- Published
- Modified
- Record from
- the NVD, synced
Packages (OSV)
| Advisory | Ecosystem | Package | Affected | Fixed in |
|---|---|---|---|---|
| GHSA-7c92-x8vg-4258 | PyPI | praisonai | <4.6.78 | 4.6.78 |
| PYSEC-2026-4252 | PyPI | praisonai | <4.6.78 | 4.6.78 |
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