CVE-2026-3967Alfresco Activiti Process Variable Serialization System SerializableType.java createObjectInputStream deserialization
Updated under an hour ago ()
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No exploitation reported and no EPSS estimate yet.
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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
- 6.3 MEDIUM (v3.1, CNA)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
- Weakness (CWE)
- CWE-502, CWE-20
- Known exploited
- Not in CISA's KEV catalog
- EPSS (exploitation in the next 30 days)
- Not loaded for this CVE
- Assigned by
- VulDB
- NVD analysis
- Deferred
- Record last updated
- Mar 12, 2026
- First seen by InfoSec Signals
- Oct 9, 2026
Affected products
Alfresco Activiti alfresco:activiti (from the name) | 7.0; 7.1; 7.2; 7.3; 7.4; 7.5; 7.6; 7.7; and 21 more ranges | CNA record |
References
- https://vuldb.com/?id.350396vdb-entry, technical-description
- https://vuldb.com/?ctiid.350396signature, permissions-required
- https://vuldb.com/?submit.768942third-party-advisory
- https://github.com/AnalogyC0de/public_exp/issues/16exploit, issue-tracking
The CVE record on cve.org NVD's entry
The CVE record is authoritative. Products marked “from the name” were identified from the CNA's free-text names, not a CPE, and are matched less certainly. This product uses the NVD API but is not endorsed or certified by the NVD.