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CVE-2026-29782— OpenSTAManager: Remote Code Execution via Insecure Deserialization in OAuth2

Quick assessment

Affected
devcode-it openstamanager
Exploitation
No confirmed in-the-wild exploitation; assess based on exposure
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

OpenSTAManager是Devcode开源的一个用于技术援助和计费的开源管理软件。 OpenSTAManager 2.10.2之前版本存在代码问题漏洞，该漏洞源于oauth2.php文件是未经验证的端点，对攻击者控制的state参数从zz_oauth2表加载记录，并在OAuth2配置流程中对access_token字段调用无类限制的反序列化。

CVSS 7.2 · High EPSS 0.69% · P51

Possible ATT&CK Techniques 1 AI

T1190 · Exploit Public-Facing Application
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I. Basic Information for CVE-2026-29782

Vulnerability Information
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Vulnerability Title
OpenSTAManager: Remote Code Execution via Insecure Deserialization in OAuth2
Source: CVE Program / CVE List V5
Vulnerability Description
OpenSTAManager is an open source management software for technical assistance and invoicing. Prior to version 2.10.2, the oauth2.php file in OpenSTAManager is an unauthenticated endpoint ($skip_permissions = true). It loads a record from the zz_oauth2 table using the attacker-controlled GET parameter state, and during the OAuth2 configuration flow calls unserialize() on the access_token field without any class restriction. This issue has been patched in version 2.10.2.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H
Source: CVE Program / CVE List V5
Vulnerability Type
可信数据的反序列化
Source: CVE Program / CVE List V5
Vulnerability Title
OpenSTAManager 代码问题漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
OpenSTAManager是Devcode开源的一个用于技术援助和计费的开源管理软件。 OpenSTAManager 2.10.2之前版本存在代码问题漏洞，该漏洞源于oauth2.php文件是未经验证的端点，对攻击者控制的state参数从zz_oauth2表加载记录，并在OAuth2配置流程中对access_token字段调用无类限制的反序列化。
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)

Affected Products

Vendor Product Affected Versions CPE Subscribe
devcode-it openstamanager < 2.10.2 -

II. Public POCs for CVE-2026-29782

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III. Intelligence Information for CVE-2026-29782

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Patches & Fixes for CVE-2026-29782 (1)

Vendor Advisories for CVE-2026-29782 (1)

Vendor Pages for CVE-2026-29782 (1)

Same Patch Batch · devcode-it · 2026-04-02 · 3 CVEs total

CVE-2026-35168 8.8 HIGH OpenSTAManager: SQL Injection via Aggiornamenti Module
CVE-2026-28805 8.8 HIGH OpenSTAManager: Time-Based Blind SQL Injection via `options[stato]` Parameter

IV. Related Vulnerabilities

Same product: openstamanager
Same vendor: devcode-it
Same weakness: CWE-502

V. Comments for CVE-2026-29782

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