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

• Severity: high (CVSS 8.5 v4.0)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.5% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2026-07-15 · updated 2026-07-18
• Weakness: CWE-22

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.

Affected products

• dataease: before 2.10.23

References

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

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