Auth bypass in Rymcu Forest
CVE-2025-63687
An issue was discovered in rymcu forest thru commit f782e85 (2025-09-04) in function doBefore in file src/main/java/com/rymcu/forest/core/service/security/AuthorshipAspect.java, allowing authorized attackers to delete arbitrary users posts.
Vulnerability class: Broken Access Control
Published · last modified .
CVSS v3 metric
CVSS v3 base score 6.5 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N.
EPSS exploit prediction
EPSS: 0.003 (15.0th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 15th percentile — 15.0% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.003 · newest: 0.003 · change: 0.000
Affected products
Weakness classification (CWE)
References
- github.com/rymcu/forest/issues/193 (Exploit, Issue Tracking, Vendor Advisory)
- gist.github.com/LockeTom/564d5be6b75bb64d120daed96d74ec9c (Exploit, Third Party Advisory)
Frequently asked questions
- What is CVE-2025-63687?
- CVE-2025-63687 is a medium-severity vulnerability in Rymcu Forest, classified under Incorrect Authorization. CVSS score: 6.5/10. Published 2025-11-07.
- How severe is CVE-2025-63687?
- Medium severity. CVSS v3 base score is 6.5 out of 10.