Common Weakness Enumeration
CWE-917
AllowedImproper Neutralization of Special Elements used in an Expression Language Statement ('Expression Language Injection')
Abstraction: Base · Status: Incomplete
The product constructs all or part of an expression language (EL) statement in a framework such as a Java Server Page (JSP) using externally-influenced input from an upstream component, but it does not neutralize or incorrectly neutralizes special elements that could modify the intended EL statement before it is executed.
48 vulnerabilities reference this CWE, most recent first.
CVE-2026-41883 (GCVE-0-2026-41883)
Vulnerability from cvelistv5 – Published: 2026-05-08 15:36 – Updated: 2026-05-08 19:40
VLAI
EPSS
VEX
Title
OmniFaces: EL injection via crafted resource name in wildcard CDN mapping
Summary
OmniFaces is a utility library for Faces. Prior to versions 1.14.2, 2.7.32, 3.14.16, 4.7.5, and 5.2.3, there is a server-side EL injection leading to Remote Code Execution (RCE). This affects applications that use CDNResourceHandler with a wildcard CDN mapping (e.g. libraryName:*=https://cdn.example.com/*). An attacker can craft a resource request URL containing an EL expression in the resource name, which is evaluated server-side. This issue has been patched in versions 1.14.2, 2.7.32, 3.14.16, 4.7.5, and 5.2.3.
Severity
8.1 (High)
SSVC
Exploitation: none
Automatable: no
Technical Impact: total
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-05-08 19:39 UTC
CWE
- CWE-917 - Improper Neutralization of Special Elements used in an Expression Language Statement ('Expression Language Injection')
Assigner
GitHub_M
CNA
References
1 reference
| URL | Tags |
|---|---|
| https://github.com/omnifaces/omnifaces/security/a… | x_refsource_CONFIRM |
Impacted products
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CVE-2026-41729 (GCVE-0-2026-41729)
Vulnerability from cvelistv5 – Published: 2026-06-09 23:49 – Updated: 2026-06-11 03:55
VLAI
EPSS
VEX
Title
Spring Data REST SpEL Injection via Map Key in JSON Patch
Summary
Spring Data REST is vulnerable to SpEL expression injection through map-typed properties when processing JSON Patch (application/json-patch+json) requests. When a persistent entity exposes a Map-typed property, the JSON Pointer path segment used as the map key is embedded directly into a SpEL expression without sanitization or validation.
Affected versions:
Spring Data REST 3.7.0 through 3.7.19; 4.3.0 through 4.3.16; 4.4.0 through 4.4.14; 4.5.0 through 4.5.11; 5.0.0 through 5.0.5.
Severity
8.1 (High)
SSVC
Exploitation: none
Automatable: no
Technical Impact: total
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-06-10 00:00 UTC
CWE
- CWE-917 - Improper Neutralization of Special Elements used in an Expression Language Statement (Expression Language Injection)
Assigner
vmware
CNA
References
1 reference
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| Spring | Spring Data REST |
Affected:
3.7.0 , < 3.7.20
(custom)
Affected: 4.3.0 , < 4.3.17 (custom) Affected: 4.4.0 , < 4.4.15 (custom) Affected: 4.5.0 , < 4.5.12 (custom) Affected: 5.0.0 , < 5.0.6 (custom) |
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CVE-2026-41719 (GCVE-0-2026-41719)
Vulnerability from cvelistv5 – Published: 2026-06-09 23:48 – Updated: 2026-06-30 21:42
VLAI
EPSS
VEX
Title
Spring Data KeyValue - SpEL Injection vulnerability in SpelPropertyComparator
Summary
A SpEL Injection vulnerability exists in the Spring Data KeyValue if unsanitized user input is passed as Sort into a repository query method that delegates evaluation to the SpelPropertyComparator.
Affected versions:
Spring Data KeyValue / Spring Data Redis 4.0.0 through 4.0.5; 3.5.0 through 3.5.11; 3.4.0 through 3.4.14; 3.3.0 through 3.3.16; 3.2.0 through 3.2.15; 3.1.0 through 3.1.14; 3.0.0 through 3.0.15; 2.7.0 through 2.7.19.
Severity
6.4 (Medium)
SSVC
Exploitation: none
Automatable: no
Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-06-10 12:54 UTC
CWE
- CWE-917 - Improper Neutralization of Special Elements used in an Expression Language Statement (Expression Language Injection)
Assigner
vmware
CNA
References
1 reference
Impacted products
2 products
| Vendor | Product | Version | |
|---|---|---|---|
| Spring | Spring Data KeyValue |
Affected:
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|
| Spring | Spring Data Redis |
Affected:
4.0.0 , < 4.0.5.1
(custom)
Affected: 3.5.0 , < 3.5.11.1 (custom) Affected: 3.4.0 , < 3.4.15 (custom) Affected: 3.3.0 , < 3.3.17 (custom) Affected: 3.2.0 , < 3.2.16 (custom) Affected: 3.1.0 , < 3.1.15 (custom) Affected: 3.0.0 , < 3.0.16 (custom) Affected: 2.7.0 , < 2.7.20 (custom) |
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CVE-2026-41717 (GCVE-0-2026-41717)
Vulnerability from cvelistv5 – Published: 2026-06-09 23:48 – Updated: 2026-06-30 21:40
VLAI
EPSS
VEX
Title
Spring Data MongoDB - SpEL Expression Injection via Annotated Query Parameter Binding
Summary
Spring Data MongoDB contains a SpEL (Spring Expression Language) expression injection vulnerability. The issue occurs during parameter binding when a user-defined repository query method is annotated with @Query and utilizes a capture-all placeholder.
Affected versions:
Spring Data MongoDB 5.0.0 through 5.0.5; 4.5.0 through 4.5.11; 4.4.0 through 4.4.14; 4.3.0 through 4.3.16; 4.2.0 through 4.2.15; 4.1.0 through 4.1.14; 4.0.0 through 4.0.15; 3.4.0 through 3.4.19.
Severity
8.1 (High)
SSVC
Exploitation: none
Automatable: no
Technical Impact: total
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-06-10 00:00 UTC
CWE
- CWE-917 - Improper Neutralization of Special Elements used in an Expression Language Statement (Expression Language Injection)
Assigner
vmware
CNA
References
1 reference
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| Spring | Spring Data MongoDB |
Affected:
5.0.0 , < 5.0.5.1
(custom)
Affected: 4.5.0 , < 4.5.11.1 (custom) Affected: 4.4.0 , < 4.4.15 (custom) Affected: 4.3.0 , < 4.3.17 (custom) Affected: 4.2.0 , < 4.2.16 (custom) Affected: 4.1.0 , < 4.1.15 (custom) Affected: 4.0.0 , < 4.0.16 (custom) Affected: 3.4.0 , < 3.4.20 (custom) |
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CVE-2026-41705 (GCVE-0-2026-41705)
Vulnerability from cvelistv5 – Published: 2026-05-09 00:34 – Updated: 2026-05-11 14:38
VLAI
EPSS
VEX
Summary
Spring AI's MilvusVectorStore#doDelete(List) implementation is vulnerable to filter-expression injection via unsanitized document IDs.
Spring AI 1.0.x: affected from 1.0.0 through latest 1.0.x; upgrade to 1.0.7 or greater. Spring AI 1.1.x: affected from 1.1.0 through latest 1.1.x; upgrade to 1.1.6 or greater.
Severity
8.6 (High)
SSVC
Exploitation: none
Automatable: yes
Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-05-11 14:38 UTC
CWE
- CWE-917 - Improper Neutralization of Special Elements used in an Expression Language Statement ('Expression Language Injection')
Assigner
vmware
CNA
References
1 reference
Impacted products
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CVE-2026-40985 (GCVE-0-2026-40985)
Vulnerability from cvelistv5 – Published: 2026-06-11 05:02 – Updated: 2026-06-23 19:09
VLAI
EPSS
VEX
Title
Data Binding Vulnerability in Spring Web Flow with Unified EL Parser
Summary
Applications that configure the WebFlowELExpressionParser are vulnerable to the use of malicious Unified EL expressions.
Affected versions:
Spring Web Flow 4.0.0; 3.0.0 through 3.0.1; 2.5.0 through 2.5.1.
Severity
6.4 (Medium)
SSVC
Exploitation: none
Automatable: no
Technical Impact: total
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-06-11 12:47 UTC
CWE
- CWE-917 - Improper Neutralization of Special Elements used in an Expression Language Statement
Assigner
vmware
CNA
References
1 reference
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| Spring | Spring Web Flow |
Affected:
4.0.0 , < 4.0.0.1
(custom)
Affected: 3.0.0 , < 3.0.1.1 (custom) Affected: 2.5.0 , < 2.5.2 (custom) |
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CVE-2026-40478 (GCVE-0-2026-40478)
Vulnerability from cvelistv5 – Published: 2026-04-17 21:57 – Updated: 2026-08-18 12:05
VLAI
EPSS
VEX
Title
Improper neutralization of specific syntax patterns for unauthorized expressions in Thymeleaf
Summary
Thymeleaf is a server-side Java template engine for web and standalone environments. Versions 3.1.3.RELEASE and prior contain a security bypass vulnerability in the the expression execution mechanisms. Although the library provides mechanisms to prevent expression injection, it fails to properly neutralize specific syntax patterns that allow for the execution of unauthorized expressions. If an application developer passes unvalidated user input directly to the template engine, an unauthenticated remote attacker can bypass the library's protections to achieve Server-Side Template Injection (SSTI). This issue has ben fixed in version 3.1.4.RELEASE.
Severity
9.1 (Critical)
8.5 (High)
SSVC
Exploitation: none
Automatable: no
Technical Impact: total
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-04-21 00:00 UTC
CWE
Assigner
GitHub_M
CNA
References
5 references
| URL | Tags |
|---|---|
| https://github.com/thymeleaf/thymeleaf/security/a… | x_refsource_CONFIRM |
| https://access.redhat.com/security/cve/CVE-2026-40478 | vdb-entryx_refsource_REDHAT |
| https://bugzilla.redhat.com/show_bug.cgi?id=2459349 | issue-trackingx_refsource_REDHAT |
| https://security.access.redhat.com/data/csaf/v2/v… | x_sadp-csaf-vex |
| https://access.redhat.com/errata/RHSA-2026:21772 | vendor-advisoryx_refsource_REDHAT |
Impacted products
11 products
| Vendor | Product | Version | |
|---|---|---|---|
| thymeleaf | thymeleaf |
Affected:
< 3.1.4.RELEASE
|
|
| thymeleaf | org.thymeleaf:thymeleaf-spring5 |
Affected:
< 3.1.4.RELEASE
|
|
| thymeleaf | org.thymeleaf:thymeleaf-spring6 |
Affected:
< 3.1.4.RELEASE
|
|
| Red Hat | Red Hat OpenShift Dev Spaces 3.28 |
Unaffected:
1779528224 , < *
(rpm)
cpe:/a:redhat:openshift_devspaces:3.28::el9 |
|
| Red Hat | Red Hat OpenShift Dev Spaces 3.28 |
Unaffected:
1779359423 , < *
(rpm)
cpe:/a:redhat:openshift_devspaces:3.28::el9 |
|
| Red Hat | Red Hat build of Apache Camel for Spring Boot 4 |
cpe:/a:redhat:camel_spring_boot:4
|
|
| Red Hat | Red Hat Fuse 7 |
cpe:/a:redhat:jboss_fuse:7
|
|
| Red Hat | Red Hat JBoss Enterprise Application Platform 7 |
cpe:/a:redhat:jboss_enterprise_application_platform:7
|
|
| Red Hat | Red Hat JBoss Enterprise Application Platform 8 |
cpe:/a:redhat:jboss_enterprise_application_platform:8
|
|
| Red Hat | Red Hat JBoss Enterprise Application Platform Expansion Pack |
cpe:/a:redhat:jbosseapxp
|
|
| Red Hat | Red Hat Single Sign-On 7 |
cpe:/a:redhat:red_hat_single_sign_on:7
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CVE-2026-40477 (GCVE-0-2026-40477)
Vulnerability from cvelistv5 – Published: 2026-04-17 21:53 – Updated: 2026-08-17 12:04
VLAI
EPSS
VEX
Title
Improper restriction of the scope of accessible objects in Thymeleaf expressions
Summary
Thymeleaf is a server-side Java template engine for web and standalone environments. Versions 3.1.3.RELEASE and prior contain a security bypass vulnerability in the expression execution mechanisms. Although the library provides mechanisms to prevent expression injection, it fails to properly restrict the scope of accessible objects, allowing specific potentially sensitive objects to be reached from within a template. If an application developer passes unvalidated user input directly to the template engine, an unauthenticated remote attacker can bypass the library's protections to achieve Server-Side Template Injection (SSTI). This issue has ben fixed in version 3.1.4.RELEASE.
Severity
9.1 (Critical)
8.5 (High)
SSVC
Exploitation: none
Automatable: no
Technical Impact: total
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-04-21 00:00 UTC
CWE
Assigner
GitHub_M
CNA
References
5 references
| URL | Tags |
|---|---|
| https://github.com/thymeleaf/thymeleaf/security/a… | x_refsource_CONFIRM |
| https://access.redhat.com/security/cve/CVE-2026-40477 | vdb-entryx_refsource_REDHAT |
| https://bugzilla.redhat.com/show_bug.cgi?id=2459344 | issue-trackingx_refsource_REDHAT |
| https://security.access.redhat.com/data/csaf/v2/v… | x_sadp-csaf-vex |
| https://access.redhat.com/errata/RHSA-2026:21772 | vendor-advisoryx_refsource_REDHAT |
Impacted products
11 products
| Vendor | Product | Version | |
|---|---|---|---|
| thymeleaf | thymeleaf |
Affected:
< 3.1.4.RELEASE
|
|
| thymeleaf | org.thymeleaf:thymeleaf-spring5 |
Affected:
< 3.1.4.RELEASE
|
|
| thymeleaf | org.thymeleaf:thymeleaf-spring6 |
Affected:
< 3.1.4.RELEASE
|
|
| Red Hat | Red Hat OpenShift Dev Spaces 3.28 |
Unaffected:
1779528224 , < *
(rpm)
cpe:/a:redhat:openshift_devspaces:3.28::el9 |
|
| Red Hat | Red Hat OpenShift Dev Spaces 3.28 |
Unaffected:
1779359423 , < *
(rpm)
cpe:/a:redhat:openshift_devspaces:3.28::el9 |
|
| Red Hat | Red Hat build of Apache Camel for Spring Boot 4 |
cpe:/a:redhat:camel_spring_boot:4
|
|
| Red Hat | Red Hat Fuse 7 |
cpe:/a:redhat:jboss_fuse:7
|
|
| Red Hat | Red Hat JBoss Enterprise Application Platform 7 |
cpe:/a:redhat:jboss_enterprise_application_platform:7
|
|
| Red Hat | Red Hat JBoss Enterprise Application Platform 8 |
cpe:/a:redhat:jboss_enterprise_application_platform:8
|
|
| Red Hat | Red Hat JBoss Enterprise Application Platform Expansion Pack |
cpe:/a:redhat:jbosseapxp
|
|
| Red Hat | Red Hat Single Sign-On 7 |
cpe:/a:redhat:red_hat_single_sign_on:7
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CVE-2026-39842 (GCVE-0-2026-39842)
Vulnerability from cvelistv5 – Published: 2026-04-14 23:21 – Updated: 2026-04-16 13:58
VLAI
EPSS
VEX
Title
OpenRemote is Vulnerable to Expression Injection
Summary
OpenRemote is an open-source IoT platform. Versions 1.21.0 and below contain two interrelated expression injection vulnerabilities in the rules engine that allow arbitrary code execution on the server. The JavaScript rules engine executes user-supplied scripts via Nashorn's ScriptEngine.eval() without sandboxing, class filtering, or access restrictions, and the authorization check in RulesResourceImpl only restricts Groovy rules to superusers while leaving JavaScript rules unrestricted for any user with the write:rules role. Additionally, the Groovy rules engine has a GroovyDenyAllFilter security filter that is defined but never registered, as the registration code is commented out, rendering the SandboxTransformer ineffective for superuser-created Groovy rules. A non-superuser attacker with the write:rules role can create JavaScript rulesets that execute with full JVM access, enabling remote code execution as root, arbitrary file read, environment variable theft including database credentials, and complete multi-tenant isolation bypass to access data across all realms. This issue has been fixed in version 1.22.0.
Severity
10 (Critical)
SSVC
Exploitation: poc
Automatable: no
Technical Impact: total
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-04-16 13:58 UTC
CWE
Assigner
GitHub_M
CNA
References
2 references
| URL | Tags |
|---|---|
| https://github.com/openremote/openremote/security… | x_refsource_CONFIRM |
| https://github.com/openremote/openremote/releases… | x_refsource_MISC |
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| openremote | openremote |
Affected:
< 1.22.0
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CVE-2026-31380 (GCVE-0-2026-31380)
Vulnerability from cvelistv5 – Published: 2026-05-19 09:24 – Updated: 2026-05-19 18:37
VLAI
EPSS
VEX
Title
Apache OFBiz: FreeMarker SSTI via Duplicate Parameter Sanitization Bypass
Summary
Improper Neutralization of Special Elements used in an Expression Language Statement ('Expression Language Injection') vulnerability in Apache OFBiz.
This issue affects Apache OFBiz: before 24.09.06.
Users are recommended to upgrade to version 24.09.06, which fixes the issue.
Severity
6.5 (Medium)
SSVC
Exploitation: none
Automatable: yes
Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-05-19 13:05 UTC
CWE
- CWE-917 - Improper Neutralization of Special Elements used in an Expression Language Statement ('Expression Language Injection')
Assigner
apache
CNA
References
2 references
| URL | Tags |
|---|---|
| https://lists.apache.org/thread/v2brvq1tf4q491obk… | vendor-advisory |
| http://www.openwall.com/lists/oss-security/2026/0… |
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| Apache Software Foundation | Apache OFBiz |
Affected:
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Mitigation
Architecture and Design
Avoid adding user-controlled data into an expression interpreter when possible.
Mitigation
Implementation
- If user-controlled data must be added to an expression interpreter, one or more of the following should be performed:
- Validate that the user input will not evaluate as an expression
- Encode the user input in a way that ensures it is not evaluated as an expression
Mitigation
System Configuration
Operation
The framework or tooling might allow the developer to disable or deactivate the processing of EL expressions, such as setting the isELIgnored attribute for a JSP page to "true".
No CAPEC attack patterns related to this CWE.