OpenSTAManager: Remote Code Execution via Insecure Deserialization in OAuth2

MITRE NVD CVE.ORG Print: PDF PDF

Summary

CVECVE-2026-29782
StatePUBLISHED
AssignerGitHub_M
Source PriorityCVE Program / NVD first with legacy fallback
Published2026-04-02 14:16:27 UTC
Updated2026-04-02 14:16:27 UTC
DescriptionOpenSTAManager 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.

Risk And Classification

Primary CVSS: v3.1 7.2 HIGH from [email protected]

CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H

Problem Types: CWE-502 | CWE-502 CWE-502: Deserialization of Untrusted Data

VersionSourceTypeScoreSeverityVector
3.1[email protected]Secondary7.2HIGHCVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H
3.1CNADECLARED7.2HIGHCVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H

CVSS v3.1 Breakdown

Attack Vector
Network
Attack Complexity
Low
Privileges Required
High
User Interaction
None
Scope
Unchanged
Confidentiality
High
Integrity
High
Availability
High

CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H

Vendor Declared Affected Products

SourceVendorProductVersionPlatforms
CNA Devcode-it Openstamanager affected < 2.10.2 Not specified

References

ReferenceSourceLinkTags
github.com/devcode-it/openstamanager/releases/tag/v2.10.2 [email protected] github.com
github.com/devcode-it/openstamanager/security/advisories/GHSA-whv5-4q2f-... [email protected] github.com
github.com/devcode-it/openstamanager/commit/d2e38cbdf91a831cefc0da1548e0... [email protected] github.com
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