Medium severity · published Sep 14, 2026
CVE-2026-77147
Apache Syncope: Groovy Sandbox escape for empty CommandArgs
6.5
CVSS
0.4%
EPSS
No
On KEV
Description
Improper Control of Generation of Code ('Code Injection') vulnerability in Apache Syncope.
An administrator with adequate entitlements for Implementations can create a malicious Groovy Command class containing untrusted code in their CommandArgs static implementation, bypassing the Groovy security sandbox.
This issue affects Apache Syncope: from 3.0.0-M0 through 3.0.16, from 4.0.0-M0 Through 4.0.7, from 4.1.0-M0 through 4.1.2.
Users are recommended to upgrade to version 4.0.8 / 4.1.3, which fix this issue.
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:N
Attack vector
Network
Complexity
Low
Privileges
High
User interaction
None
Confidentiality
High
Integrity
High
Availability
None
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)0.4% · higher than 39% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
AS
Apache Syncope · Apache Software Foundation
3.0.0-M0 through 3.0.16; 4.0.0-M0 through 4.0.7; 4.1.0-M0 through 4.1.2 · source: vendor
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2026-77147
CVE.org
https://www.cve.org/CVERecord?id=CVE-2026-77147
lists.apache.org
https://lists.apache.org/thread/qr464o2lyj3rxp8b0q25ssn0qwjxyrgz
www.openwall.com
http://www.openwall.com/lists/oss-security/2026/09/14/15
More from Apache Syncope
9.8
CVE-2026-73370
Apache Syncope: Cross-Realm boundaries reconciliation bypass
9.8
CVE-2026-73470
Apache Syncope: Delegating users can grant unowned Roles
9.8
CVE-2026-73579
Apache Syncope: Non-recursive Any search could skip Realms restrictions
9.8
CVE-2026-75030
Apache Syncope: Incomplete authorization checks for Group members deprovisioning
9.8
CVE-2026-77051
Apache Syncope: SQL injection via unsanitized entityKey and opEvent in Audit Events search