CVE-2026-3967

A flaw has been found in Alfresco Activiti up to 7.19/8.8.0. Affected by this issue is the function deserialize/createObjectInputStream of the file activiti-core/activiti-engine/src/main/java/org/activiti/engine/impl/variable/SerializableType.java of the component Process Variable Serialization System. This manipulation causes deserialization. Remote exploitation of the attack is possible. The exploit has been published and may be used. The vendor was contacted early about this disclosure but did not respond in any way.

CVSS v3 6.3 MEDIUM
CVSS v2.0 6.5 MEDIUM

6.3^/10

CVSS v3 : MEDIUM

Vector :

Exploitability : 2.8 / Impact : 3.4

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required LOW

User Interaction NONE

Confidentiality Impact LOW

Integrity Impact LOW

Availability Impact LOW

Scope UNCHANGED

6.5^/10

CVSS v2.0 : MEDIUM

Vector : AV:N/AC:L/Au:S/C:P/I:P/A:P

Exploitability : 8.0 / Impact : 6.4

Access Vector NETWORK

Access Complexity LOW

Authentication SINGLE

Confidentiality Impact PARTIAL

Integrity Impact PARTIAL

Availability Impact PARTIAL

References

Link	Resource
https://github.com/AnalogyC0de/public_exp/issues/16
https://vuldb.com/?ctiid.350396
https://vuldb.com/?id.350396
https://vuldb.com/?submit.768942

Configurations

No configuration.

History

12 Mar 2026, 21:07

Type	Values Removed	Values Added
Summary		(es) Se ha encontrado una vulnerabilidad en Alfresco Activiti hasta 7.19/8.8.0. Afectada por este problema es la función deserialize/createObjectInputStream del archivo activiti-core/activiti-engine/src/main/java/org/activiti/engine/impl/variable/SerializableType.java del componente Process Variable Serialization System. Esta manipulación causa deserialización. La explotación remota del ataque es posible. El exploit ha sido publicado y puede ser utilizado. Se contactó al proveedor con antelación sobre esta divulgación, pero no respondió de ninguna manera.

12 Mar 2026, 00:16

Type	Values Removed	Values Added
New CVE

Information

Published : 2026-03-12 00:16

Updated : 2026-03-12 21:07

NVD link : CVE-2026-3967

Mitre link : CVE-2026-3967

CVE.ORG link : CVE-2026-3967

JSON object : View

Products Affected

No product.

CWE

CWE-20

Improper Input Validation

CWE-502

Deserialization of Untrusted Data

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