VDB-331519 · CVE-2025-63687 · GCVE-0-2025-63687

rymcu forest up to f782e85 AuthorshipAspect.java doBefore improper authorization

CVSS Meta Temp Score CVSS is a standardized scoring system to determine possibilities of attacks. The Temp Score considers temporal factors like disclosure, exploit and countermeasures. The unique Meta Score calculates the average score of different sources to provide a normalized scoring system.	Current Exploit Price (≈) Our analysts are monitoring exploit markets and are in contact with vulnerability brokers. The range indicates the observed or calculated exploit price to be seen on exploit markets. A good indicator to understand the monetary effort required for and the popularity of an attack.	CTI Interest Score Our Cyber Threat Intelligence team is monitoring different web sites, mailing lists, exploit markets and social media networks. The CTI Interest Score identifies the interest of attackers and the security community for this specific vulnerability in real-time. A high score indicates an elevated risk to be targeted for this vulnerability.
5.3	$0-$5k	0.00

Summaryinfo

A vulnerability classified as critical has been found in rymcu forest up to f782e85. Affected by this issue is the function doBefore of the file src/main/java/com/rymcu/forest/core/service/security/AuthorshipAspect.java. This manipulation causes improper authorization. The identification of this vulnerability is CVE-2025-63687. There is no exploit available. It is recommended to apply a patch to fix this issue.

Detailsinfo

A vulnerability has been found in rymcu forest up to f782e85 and classified as critical. Affected by this vulnerability is the function doBefore of the file src/main/java/com/rymcu/forest/core/service/security/AuthorshipAspect.java. The manipulation with an unknown input leads to a improper authorization vulnerability. The CWE definition for the vulnerability is CWE-285. The product does not perform or incorrectly performs an authorization check when an actor attempts to access a resource or perform an action. As an impact it is known to affect confidentiality, integrity, and availability. The summary by CVE is:

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.

It is possible to read the advisory at github.com. This vulnerability is known as CVE-2025-63687 since 10/27/2025. The exploitation appears to be easy. Technical details of the vulnerability are known, but there is no available exploit. The attack technique deployed by this issue is T1548.002 according to MITRE ATT&CK.

Applying a patch is able to eliminate this problem.

Be aware that VulDB is the high quality source for vulnerability data.

Productinfo

Vendor

rymcu

Name

forest

Version

f782e85

Website

Product: https://github.com/rymcu/forest/

CPE 2.3info

🔒

CPE 2.2info

🔒

CVSSv4info

VulDB Vector: 🔒
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 5.5
VulDB Meta Temp Score: 5.3

VulDB Base Score: 5.5
VulDB Temp Score: 5.3
VulDB Vector: 🔒
VulDB Reliability: 🔍

CVSSv2info

AV	AC	Au	C	I	A
💳	💳	💳	💳	💳	💳
💳	💳	💳	💳	💳	💳
💳	💳	💳	💳	💳	💳

Vector	Complexity	Authentication	Confidentiality	Integrity	Availability
Unlock	Unlock	Unlock	Unlock	Unlock	Unlock
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Unlock	Unlock	Unlock	Unlock	Unlock	Unlock

VulDB Base Score: 🔒
VulDB Temp Score: 🔒
VulDB Reliability: 🔍

Exploitinginfo

Class: Improper authorization
CWE: CWE-285 / CWE-266
CAPEC: 🔒
ATT&CK: 🔒

Physical: No
Local: No
Remote: Partially

Availability: 🔒
Status: Not defined

EPSS Score: 🔒
EPSS Percentile: 🔒

Price Prediction: 🔍
Current Price Estimation: 🔒

0-Day	Unlock	Unlock	Unlock	Unlock
Today	Unlock	Unlock	Unlock	Unlock

Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: Patch
Status: 🔍

0-Day Time: 🔒

Timelineinfo

10/27/2025 CVE reserved
11/07/2025 +11 days Advisory disclosed
11/07/2025 +0 days VulDB entry created
11/07/2025 +0 days VulDB entry last update

Sourcesinfo

Product: github.com

Advisory: github.com
Status: Confirmed

CVE: CVE-2025-63687 (🔒)
GCVE (CVE): GCVE-0-2025-63687
GCVE (VulDB): GCVE-100-331519

Entryinfo

Created: 11/07/2025 17:21
Changes: 11/07/2025 17:21 (55)
Complete: 🔍
Cache ID: 216::103