# CVE-2026-3188: feiyuchuixue sz-boot-parent API templates path traversal

> Remote attackers can exploit path traversal in the template download API to read arbitrary files from the server.

- **Severity:** Medium 5.3 (`CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N/E:P`)
- **Exploited in the wild:** Not known
- **Login needed:** Any signed-in user
- **Attackable:** Over the internet
- **Victim action needed:** Not needed
- **Fix available:** No
- **Published:** 25 Feb 2026
- **Updated:** 27 Feb 2026
- **Also known as:** GHSA-f66r-8xv9-3p2w

## What is CVE-2026-3188?

CVE-2026-3188 is a medium-severity path traversal vulnerability in feiyuchuixue sz-boot-parent, published on 25 Feb 2026. Any signed-in user can exploit it over the network, with no action from the victim.

### Official description

A security flaw has been discovered in feiyuchuixue sz-boot-parent up to 1.3.2-beta. This affects an unknown part of the file /api/admin/common/download/templates of the component API. Performing a manipulation of the argument templateName results in path traversal. Remote exploitation of the attack is possible. The exploit has been released to the public and may be used for attacks. Upgrading to version 1.3.3-beta is able to mitigate this issue. The patch is named aefaabfd7527188bfba3c8c9eee17c316d094802. It is recommended to upgrade the affected component. The project was informed beforehand and acted very professional: "We have implemented path validity checks on parameters for the template download interface (...)"

Weakness: CWE-22 (Improper Limitation of a Pathname to a Restricted Directory)

## Which versions are affected by CVE-2026-3188?


## How do I fix CVE-2026-3188?

No fix has been published for CVE-2026-3188 yet. Limit exposure of the affected software until one is available.

## Is CVE-2026-3188 being exploited?

It is not confirmed as exploited in the wild, but public exploit code for CVE-2026-3188 exists.

## Fix prompt for AI coding agents

```text
Check this codebase for CVE-2026-3188 and fix it if it is affected.

What it is: CVE-2026-3188 is a medium-severity path traversal vulnerability in feiyuchuixue sz-boot-parent, published on 25 Feb 2026. Any signed-in user can exploit it over the network, with no action from the victim.
Exploitation: It is not confirmed as exploited in the wild, but public exploit code for CVE-2026-3188 exists.

Affected product: feiyuchuixue sz-boot-parent. No package-level version data is available, so check the vendor advisory linked from the reference page.

Task:
1. Search the dependency manifests and lockfiles (for example package.json, package-lock.json, requirements.txt, poetry.lock, uv.lock, pom.xml, build.gradle, go.mod, Cargo.lock, Gemfile.lock) and any Dockerfiles for the affected packages, including transitive dependencies.
2. If an affected version is in use, upgrade it to the fixed version for its release line with the project's package manager, so the lockfile is regenerated. Prefer the smallest upgrade that fixes it.
3. If there is no fix, or the upgrade would break the build, do not guess: explain the risk and the safest workaround instead.
4. Run the tests and summarise what changed and why.
5. If nothing in the project is affected, say so and change nothing.

Reference: https://insights.sbomify.com/CVE-2026-3188/ (Markdown: https://insights.sbomify.com/CVE-2026-3188/index.md)
```

## Sources

- CVE record: https://www.cve.org/CVERecord?id=CVE-2026-3188
- NVD: https://nvd.nist.gov/vuln/detail/CVE-2026-3188
- OSV: https://osv.dev/vulnerability/CVE-2026-3188

---
From sbomify Insights: https://insights.sbomify.com/CVE-2026-3188/
Summaries are generated and may contain mistakes; the official description above is the record.