VDB-376735 · CVE-2026-51937 · GCVE-0-2026-51937

OneBlog 2.3.9 RestApiController RestApiController.java information disclosure

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	0.58

Summaryinfo

A vulnerability identified as problematic has been detected in OneBlog 2.3.9. The impacted element is an unknown function of the file RestApiController.java of the component RestApiController/JsApiTicketComponent/GetAccessTokenComponent. This manipulation causes information disclosure. This vulnerability is registered as CVE-2026-51937. Remote exploitation of the attack is possible. No exploit is available.

Detailsinfo

A vulnerability has been found in OneBlog 2.3.9 and classified as problematic. Affected by this vulnerability is some unknown functionality of the file RestApiController.java of the component RestApiController/JsApiTicketComponent/GetAccessTokenComponent. The manipulation with an unknown input leads to a information disclosure vulnerability. The CWE definition for the vulnerability is CWE-200. The product exposes sensitive information to an actor that is not explicitly authorized to have access to that information. As an impact it is known to affect confidentiality. The summary by CVE is:

An issue in Oneblog V2.3.9 allows a remote attacker to obtain sensitive information via the RestApiController.java, JsApiTicketComponent.java, and the GetAccessTokenComponent.java component

It is possible to read the advisory at developers.weixin.qq.com. This vulnerability is known as CVE-2026-51937 since 06/08/2026. The exploitation appears to be easy. The attack can be launched remotely. The exploitation doesn't need any form of authentication. Technical details of the vulnerability are known, but there is no available exploit. The pricing for an exploit might be around USD $0-$5k at the moment (estimation calculated on 07/08/2026). The attack technique deployed by this issue is T1592 according to MITRE ATT&CK.

There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product.

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

Productinfo

Name

OneBlog

Version

2.3.9

CPE 2.3info

🔒

CPE 2.2info

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CVSSv4info

VulDB Vector: 🔒
VulDB Reliability: 🔍

CVSSv3info

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

VulDB Base Score: 5.3
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
Unlock	Unlock	Unlock	Unlock	Unlock	Unlock
Unlock	Unlock	Unlock	Unlock	Unlock	Unlock

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

Exploitinginfo

Class: Information disclosure
CWE: CWE-200 / CWE-284 / CWE-266
CAPEC: 🔒
ATT&CK: 🔒

Physical: No
Local: No
Remote: Yes

Availability: 🔒
Status: Not defined
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: no mitigation known
Status: 🔍

0-Day Time: 🔒

Timelineinfo

06/08/2026 CVE reserved
07/07/2026 +29 days VulDB entry created
07/08/2026 +0 days Advisory disclosed
07/08/2026 +0 days VulDB entry last update

Sourcesinfo

Advisory: developers.weixin.qq.com
Status: Confirmed

CVE: CVE-2026-51937 (🔒)
GCVE (CVE): GCVE-0-2026-51937
GCVE (VulDB): GCVE-100-376735

Entryinfo

Created: 07/08/2026 01:18
Changes: 07/08/2026 01:18 (52)
Complete: 🔍
Cache ID: 216::103