CVE-2026-29782 OpenSTAManager: Remote Code Execution via Insecure Deserialization in OAuth2
Unauthenticated attackers can achieve remote code execution via insecure deserialization in the OAuth2 endpoint of OpenSTAManager.
- Exploited in the wild
- Not known
- Login needed
- An administrator
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- Available
What is CVE-2026-29782?
CVE-2026-29782 is a high-severity unsafe deserialization vulnerability in devcode-it openstamanager, published on 2 Apr 2026. An attacker needs administrator access to exploit it, with no action from the victim.
Official 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.
Weakness: CWE-502
Which versions are affected by CVE-2026-29782?
2 open source packages ship an affected version, including devcode-it/openstamanager. It affects 1 product.
| Package | Affected | Fixed in |
|---|---|---|
devcode-it/openstamanager Packagist | All versions | 2.10.2 |
devcode-it/openstamanager Packagist | All versions | 2.10.2 |
Products include Devcode Openstamanager.
How do I fix CVE-2026-29782?
Upgrade devcode-it/openstamanager to 2.10.2 or later.
Upgrade, and only deserialise data from trusted sources or with an allow-list of types. More about Unsafe deserialization.
Is CVE-2026-29782 being exploited?
It is not confirmed as exploited in the wild, but public exploit code for CVE-2026-29782 exists.
Public exploit code: 1 proofs of concept on GitHub.
Other vulnerabilities in devcode-it openstamanager
- CVE-2026-27012 Unauthenticated privilege escalation in OpenSTAManager via modules/utenti/actions.php
- CVE-2025-69212 OpenSTAManager has an OS Command Injection in P7M File Processing
- CVE-2026-35470 OpenSTAManager has a SQL Injection via righe Parameter in confronta_righe Modals
- CVE-2026-28805 OpenSTAManager: Time-Based Blind SQL Injection via `options[stato]` Parameter
- CVE-2026-35168 OpenSTAManager: SQL Injection via Aggiornamenti Module
Sources
Also known as GHSA-whv5-4q2f-q68g.