RCE in Rymcu Forest

CVE-2026-2947

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.

Vulnerability class: XSS (Cross-Site Scripting)

Published · last modified .

CVSS v3 metric

CVSS v3 base score 3.5 (Low). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:N/I:L/A:N.

EPSS exploit prediction

EPSS: 0.004 (27.5th percentile), scored .

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 27th percentile — 27.5% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS trend (30 days)EPSS over the last 30 days for CVE-2026-2947: held from 0.003 to 0.004.

EPSS over last 30 days · oldest: 0.003 · newest: 0.004 · change: +0.001

Affected products

Weakness classification (CWE)

References

Frequently asked questions

What is CVE-2026-2947?
CVE-2026-2947 is a low-severity vulnerability in Rymcu Forest, classified under Cross-site Scripting. CVSS score: 3.5/10. Published 2026-02-22.
How severe is CVE-2026-2947?
Low severity. CVSS v3 base score is 3.5 out of 10.