Home

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.

PUBLISHED Reserved 2026-03-11 | Published 2026-03-12 | Updated 2026-03-12 | Assigner VulDB




MEDIUM: 5.3CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:P
MEDIUM: 6.3CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L/E:P/RL:X/RC:R
MEDIUM: 6.3CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L/E:P/RL:X/RC:R
6.5AV:N/AC:L/Au:S/C:P/I:P/A:P/E:POC/RL:ND/RC:UR

Problem types

Deserialization

Improper Input Validation

Product status

7.0
affected

7.1
affected

7.2
affected

7.3
affected

7.4
affected

7.5
affected

7.6
affected

7.7
affected

7.8
affected

7.9
affected

7.10
affected

7.11
affected

7.12
affected

7.13
affected

7.14
affected

7.15
affected

7.16
affected

7.17
affected

7.18
affected

7.19
affected

8.0
affected

8.1
affected

8.2
affected

8.3
affected

8.4
affected

8.5
affected

8.6
affected

8.7
affected

8.8.0
affected

Timeline

2026-03-11:Advisory disclosed
2026-03-11:VulDB entry created
2026-03-11:VulDB entry last update

Credits

Ana10gy (VulDB User) reporter

VulDB coordinator

References

vuldb.com/?id.350396 (VDB-350396 | Alfresco Activiti Process Variable Serialization System SerializableType.java createObjectInputStream deserialization) vdb-entry technical-description

vuldb.com/?ctiid.350396 (VDB-350396 | CTI Indicators (IOB, IOC, IOA)) signature permissions-required

vuldb.com/?submit.768942 (Submit #768942 | Activiti <=7.20 or < 8.8.0 Deserialization) third-party-advisory

github.com/AnalogyC0de/public_exp/issues/16 exploit issue-tracking

cve.org (CVE-2026-3967)

nvd.nist.gov (CVE-2026-3967)

Download JSON