CVE-2026-42782
Last modified
CVE-2026-42782 is a high-severity vulnerability rated 7.2/10 on the CVSS scale. Improper Isolation or Compartmentalization vulnerability in Apache Syncope. An administrator with adequate entitlements for Implementations can create a malicious Groovy class containing untrusted code reaching a non-sandboxed execution path via the class static initializer. This issue affects Apache Syncope: 3.0 through 3.0.16, 4.0 through 4.0.5, 4.1.0. Users are recommended to upgrade to version 4.0.6 / 4.1.1, which fix this issue by forcing even the static initializer in Groovy code to run in a sandbox.. EPSS estimates a 0.65% chance of exploitation in the next 30 days.
Description
Improper Isolation or Compartmentalization vulnerability in Apache Syncope. An administrator with adequate entitlements for Implementations can create a malicious Groovy class containing untrusted code reaching a non-sandboxed execution path via the class static initializer. This issue affects Apache Syncope: 3.0 through 3.0.16, 4.0 through 4.0.5, 4.1.0. Users are recommended to upgrade to version 4.0.6 / 4.1.1, which fix this issue by forcing even the static initializer in Groovy code to run in a sandbox.
Metrics
CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H
Weakness Enumeration
Affected Software
| Vendor | Product | Versions |
|---|---|---|
| Apache | Syncope | >= 3.0.0, <= 3.0.16 |
| Apache | Syncope | >= 4.0.0, < 4.0.6 |
| Apache | Syncope | 4.1.0 |
References
- https://lists.apache.org/thread/b869ms0ofrd129f7tgsn9flxgv9ztg2rMailing List, Vendor Advisory
- http://www.openwall.com/lists/oss-security/2026/05/25/4Mailing List, Third Party Advisory
Timeline
- Published
- Last Modified
- Status
- Modified
Frequently Asked Questions
What is CVE-2026-42782?
How severe is CVE-2026-42782?
How do I fix CVE-2026-42782?
How Strix Helps
- How Strix found a critical auth bypass in etcdStrix autonomously discovered a critical authentication bypass in etcd, later designated CVE-2026-33413.
- Autonomous PentestingAI agents that find and validate exploitable vulnerabilities like this one across your applications.
- PR ReviewsPentest every pull request so vulnerable code is caught before it ships to production.
- AI Penetration TestingHow AI-driven penetration testing continuously covers your attack surface.
Related CVEs from 2026
- CVE-2026-42776Missing Authorization vulnerability in WP Sunshine Sunshine …6.3
- CVE-2026-42778The fix for CVE-2026-41409 was not applied to the 2.1.X and …9.8
- CVE-2026-42779The fix for CVE-2026-41635 was not applied to the 2.1.X and …9.8
- CVE-2026-4278The Simple Download Counter plugin for WordPress is vulnerab…6.4
- CVE-2026-42780A directory traversal vulnerability exists in BIG-IP SSL Orc…6.9
- CVE-2026-42781When embedded Packet Velocity Acceleration (ePVA) accelerati…7.1
- CVE-2026-42785OpenKM 6.3.12 contains a remote code execution vulnerability…8.6
- CVE-2026-42786Allocation of Resources Without Limits or Throttling vulnera…8.7
- CVE-2026-42788Allocation of Resources Without Limits or Throttling vulnera…6.9
- CVE-2026-42789Improper Following of a Certificate's Chain of Trust vulnera…4.8
- CVE-2026-4279The Bread & Butter plugin for WordPress is vulnerable to Sto…6.4
- CVE-2026-42790Improper Certificate Validation vulnerability in Erlang OTP …8.1
Are you affected by CVE-2026-42782?
Run a free Strix scan to check your systems for this vulnerability.
Scan your code nowSource: NVD / NIST