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Code injection in Alfresco Activiti JuelScriptEngine eval

Priority LOW 24CWE-74Published · Updated

Key facts

Attack vector
Network
Privileges required
Low
User interaction
None
Attack complexity
Low
Attack requirements
None
Impact type
Code execution
Confidentiality · integrity · availability
Low · Low · Low
Fix status
No fix listed

Attack profile from CVSS 4.0 · CNA. Fix status from CNA. Impact type from CWE-94.

Summary

Alfresco Activiti up to 7.21.0-rc.692 contains a code injection flaw in the JuelScriptEngine.eval function of JuelScriptEngine.java. The flaw is tracked as CWE-94, where code is generated from input that is not properly controlled. A remote attacker with low privileges can trigger it by manipulating input. The vendor did not respond to early disclosure.

Written with Claude Haiku 5.5 from the sources below · 2026-10-29

Description from the CNA

A vulnerability was found in Alfresco Activiti up to 7.21.0-rc.692. Affected by this issue is the function JuelScriptEngine.eval of the file JuelScriptEngine.java. Performing a manipulation results in code injection. The attack can be initiated remotely. The vendor was contacted early about this disclosure but did not respond in any way.

Why it matters now

Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.00376 31st percentileScored 2026-11-07
Fix No fix listed No fixed version in the sources yet

SSVC decision points

CISA ADP · SSVC 2.0.3

Exploitation
None
Automatable
No
Technical impact
Partial

The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.

Affected products

VendorProductAffected versionsFixed inStatusSource
AlfrescoActiviti7.21.0-rc.692—No fix listedCNA
  • Activiti VendorAlfresco Affected 7.21.0-rc.692 Fixed in — No fix listed CNA

CPE names CNA · 1

CPEVersionsRoleVendor
cpe:2.3:a:alfresco:activiti:*:*:*:*:*:*:*:*——Alfresco
  • cpe:2.3:a:alfresco:activiti:*:*:*:*:*:*:*:* Versions — — ·Alfresco

Remediation

The sources list no fixed version for Alfresco Activiti.

Written with Claude Haiku 5.5 from the sources below · 2026-10-29

Timeline

  1. 2026-10-25 Threatist record created from CVE-2026-116058
  2. 2026-10-27 Alias added: GHSA-c3mq-gp3c-q93q
  3. 2026-10-29 CISA SSVC decision points changed

References

—

  • TI-2026-03431 Alfresco Activiti Process Variable Serialization System SerializableType.java createObjectInputStream deserialization CVSS 4.0MEDIUM 5.3
  • TI-2019-10584 An issue was discovered in Alfresco Community Edition versions 6.0 and lower. CVSS 3.0CRITICAL 9.8
  • TI-2020-11953 Admin account takeover in Alfresco Reset Password CVSS 3.1CRITICAL 9.8
  • TI-2019-11666 The Alfresco application before 1.8.7 for Android allows SQL injection in HistorySearchProvider.java. CVSS 3.0CRITICAL 9.8
  • TI-2021-18426 An issue was discovered in Hyland org.alfresco:alfresco-content-services through 7.0.1.2. CVSS 3.1HIGH 8.8
  • TI-2020-15741 The Reset Password add-on before 1.2.0 for Alfresco has a broken algorithm (involving an… CVSS 3.1HIGH 8.8
See all 20 →

Sources