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CWE

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CVE-2026-3967

Published: Mar 12, 2026

Modified: Mar 12, 2026

PUBLISHED

CVSS v3.1

6.3

MEDIUM

Description

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.

Vendor	Product	Versions
Alfresco	Activiti	affected `7.0` affected `7.1` affected `7.2` affected `7.3` affected `7.4` +24 more versions

Weaknesses (CWE)

CVSS v3.1 Details

CVSS v3.1 Vector

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L/E:P/RL:X/RC:R

Attack Vector

Network

Attack Complexity

Low

Privileges Required

Low

User Interaction

None

Scope

Unchanged

Confidentiality

Low

Integrity

Low

Availability

Low

References

VDB-350396 | Alfresco Activiti Process Variable Serialization System SerializableType.java createObjectInputStream deserialization

vdb-entry

technical-description

VDB-350396 | CTI Indicators (IOB, IOC, IOA)

signature

permissions-required

Submit #768942 | Activiti <=7.20 or < 8.8.0 Deserialization

third-party-advisory

https://github.com/AnalogyC0de/public_exp/issues/16

exploit

issue-tracking

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