---
title: "CVE-2026-82427: Apache Storm - Path Traversal & Remote Code Execution"
description: "Apache Storm contains a path traversal vulnerability in topology.blobstore.map allowing submitters to manipulate symlink targets, letting attackers as supervisor user delete files and execute code as other OS users, exploit requires topology submission."
url: https://panop.io/threat-heartbeat/CVE-2026-82427/
---

# CVE-2026-82427 Apache Storm - Path Traversal & Remote Code Execution

Apache Storm contains a path traversal vulnerability in topology.blobstore.map allowing submitters to manipulate symlink targets, letting attackers as supervisor user delete files and execute code as other OS users, exploit requires topology submission.

CVSS base score 7.8 /10

High

CISA KEV

Not listed

Public exploit

None known

Authentication

Required

EPSS

0.15% chance of exploitation in 30 days

[View the NVD record ↗](https://nvd.nist.gov/vuln/detail/CVE-2026-82427)

## Details

Type

Path Traversal

Impact

File System Write, Remote Code Execution

CVSS vector

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Published

14 September 2026

Updated

15 October 2026

Weakness

[CWE-22](https://cwe.mitre.org/data/definitions/22.html)

## Vendor fix

Upgrade to Apache Storm version 3.1.0 or later.

Patching closes this CVE. It does not tell you which of your systems run the affected version, or what else is exposed alongside them.

## References

- [https://nvd.nist.gov/vuln/detail/CVE-2026-82427](https://nvd.nist.gov/vuln/detail/CVE-2026-82427)
- [https://lists.apache.org/thread/o0j51w6m0qdmwypvzfnd8w97s7ysnmyj](https://lists.apache.org/thread/o0j51w6m0qdmwypvzfnd8w97s7ysnmyj)
- [http://www.openwall.com/lists/oss-security/2026/09/13/7](http://www.openwall.com/lists/oss-security/2026/09/13/7)

[← All CVEs](https://panop.io/threat-heartbeat/)

## What this record can't tell you

- Whether you run the affected software, and where
- Whether an attacker can actually reach and exploit it
- The misconfigurations that never get a CVE number
- What it would cost the business, ranked into what to fix first

Panop answers these inside your environment, for this CVE and every other finding.

[Book a demo](https://panop.io/demo)