What’s Vulnerable › Vulnerabilities

CVE-2026-69116: FlyEnv < 4.18.0 Cross-Site Scripting via v-html

• Severity: medium (CVSS 6.1 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.3% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2026-08-10 · updated 2026-10-24
• Weakness: CWE-79

Description

FlyEnv before 4.18.0 fails to sanitize HTML from markdown rendering and AI chat content passed to Vue v-html directives. Attackers can inject malicious scripts through markdown sources or chat messages that execute in the Electron renderer process with access to Node.js APIs and the filesystem.

Affected products

• xpf0000 FlyEnv: before 4.18.0 — fixed in 4.18.0

How to fix

Upgrade to a fixed version: xpf0000 FlyEnv 4.18.0. Check the vendor advisory for mitigations.

References

• https://github.com/xpf0000/FlyEnv/commit/68fd6d7b200273ad0a8bce09424b8bd87134cfb6
• https://github.com/xpf0000/FlyEnv/issues/809
• https://github.com/xpf0000/FlyEnv/pull/810
• https://github.com/xpf0000/FlyEnv/releases/tag/v4.18.0
• https://www.vulncheck.com/advisories/flyenv-cross-site-scripting-via-v-html

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