CVE-2026-2587
Last modified
CVE-2026-2587 is a critical-severity vulnerability rated 9.6/10 on the CVSS scale. A critical Remote Code Execution (RCE) vulnerability was identified in the server-side template rendering mechanism used by the Glassfish gadget handler. The application processes .xml files and evaluates user-supplied values within a context where Expression Language (EL) “expressions” are processed without proper sanitization or escaping. EPSS estimates a 0.63% chance of exploitation in the next 30 days.
Description
A critical Remote Code Execution (RCE) vulnerability was identified in the server-side template rendering mechanism used by the Glassfish gadget handler. The application processes .xml files and evaluates user-supplied values within a context where Expression Language (EL) “expressions” are processed without proper sanitization or escaping. By injecting expressions such as #{7*7}, the server returns 49, confirming server-side EL evaluation. This issue allows a remote attacker to fully compromise the underlying host, enabling capabilities as reading/modifying data, executing arbitrary commands, persistence, and lateral movement. This issue affects Eclipse GlassFish: from 8.0.0 to 8.0.1, fixed in 8.0.2; 7.1.0, fixed in 7.1.1; from 7.0.0 to 7.0.25, fixed in 7.0.26. Impact on versions from 5.1.0 to 6.2.5 is unknown.
Metrics
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:H
Weakness Enumeration
Affected Software
| Vendor | Product | Versions |
|---|---|---|
| Eclipse | Glassfish | < 8.0.2 |
References
- https://gitlab.eclipse.org/security/cve-assignment/-/issues/86Exploit, Issue Tracking, Third Party Advisory
Timeline
- Published
- Last Modified
- Status
- Modified
Frequently Asked Questions
What is CVE-2026-2587?
How severe is CVE-2026-2587?
How do I fix CVE-2026-2587?
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-2026-25861QloApps through 1.7.0, fixed in commit 64e9722, contains a w…8.2
- CVE-2026-25863Conditional Fields for Contact Form 7 WordPress plugin throu…8.7
- CVE-2026-25865Punto Switcher through 4.5.0.583 contains an unquoted search…8.5
- CVE-2026-25866MobaXterm versions prior to 26.1 contain an uncontrolled sea…8.5
- CVE-2026-25868MiniGal Nano version 0.3.5 and prior contain a reflected cro…6.1
- CVE-2026-25869MiniGal Nano versions 0.3.5 and prior contain a path travers…7.5
- CVE-2026-25870DoraCMS version 3.1 and prior contains a server-side request…6.9
- CVE-2026-25872JUNG Smart Panel KNX firmware version L1.12.22 and prior con…6.9
- CVE-2026-25873OmniGen2-RL contains an unauthenticated remote code executio…9.8
- CVE-2026-25874LeRobot through 0.5.1 contains an unsafe deserialization vul…9.8
- CVE-2026-25875PlaciPy is a placement management system designed for educat…9.8
- CVE-2026-25876PlaciPy is a placement management system designed for educat…9.1
Are you affected by CVE-2026-2587?
Run a free Strix scan to check your systems for this vulnerability.
Scan your code nowSource: NVD / NIST
