CVE-2026-5795: CWE-226 Sensitive information in resource not removed before reuse in Eclipse Foundation Eclipse Jetty
In Eclipse Jetty, the class JASPIAuthenticator initiates the authentication checks, which set two ThreadLocal variable. Upon returning from the initial checks, there are conditions that cause an early return from the JASPIAuthenticator code without clearing those ThreadLocals. A subsequent request using the same thread inherits the ThreadLocal values, leading to a broken access control and privilege escalation.
AI Analysis
Technical Summary
In Eclipse Jetty, the JASPIAuthenticator class sets two ThreadLocal variables during authentication checks. Under some conditions, the code returns early without clearing these ThreadLocal variables. As a result, subsequent requests processed by the same thread inherit these ThreadLocal values, leading to broken access control and privilege escalation. This vulnerability affects versions 9.4.0, 10.0.0, 11.0.0, 12.0.0, and 12.1.0 of Eclipse Jetty. The CVSS 3.1 base score is 7.4, indicating high severity with network attack vector, high impact on confidentiality and integrity, and no required privileges or user interaction.
Potential Impact
The vulnerability allows sensitive authentication information to persist across requests due to improper clearing of ThreadLocal variables. This can result in broken access control and privilege escalation, potentially exposing sensitive data or unauthorized access within applications using affected versions of Eclipse Jetty.
Mitigation Recommendations
Patch status is not yet confirmed — check the vendor advisory for current remediation guidance. Since no official fix or patch links are provided and the remediation level is unspecified, users should monitor Eclipse Foundation advisories for updates. Until a fix is available, consider mitigating risk by isolating threads per request or reviewing authentication handling to ensure ThreadLocal variables are cleared properly.
CVE-2026-5795: CWE-226 Sensitive information in resource not removed before reuse in Eclipse Foundation Eclipse Jetty
Description
In Eclipse Jetty, the class JASPIAuthenticator initiates the authentication checks, which set two ThreadLocal variable. Upon returning from the initial checks, there are conditions that cause an early return from the JASPIAuthenticator code without clearing those ThreadLocals. A subsequent request using the same thread inherits the ThreadLocal values, leading to a broken access control and privilege escalation.
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
In Eclipse Jetty, the JASPIAuthenticator class sets two ThreadLocal variables during authentication checks. Under some conditions, the code returns early without clearing these ThreadLocal variables. As a result, subsequent requests processed by the same thread inherit these ThreadLocal values, leading to broken access control and privilege escalation. This vulnerability affects versions 9.4.0, 10.0.0, 11.0.0, 12.0.0, and 12.1.0 of Eclipse Jetty. The CVSS 3.1 base score is 7.4, indicating high severity with network attack vector, high impact on confidentiality and integrity, and no required privileges or user interaction.
Potential Impact
The vulnerability allows sensitive authentication information to persist across requests due to improper clearing of ThreadLocal variables. This can result in broken access control and privilege escalation, potentially exposing sensitive data or unauthorized access within applications using affected versions of Eclipse Jetty.
Mitigation Recommendations
Patch status is not yet confirmed — check the vendor advisory for current remediation guidance. Since no official fix or patch links are provided and the remediation level is unspecified, users should monitor Eclipse Foundation advisories for updates. Until a fix is available, consider mitigating risk by isolating threads per request or reviewing authentication handling to ensure ThreadLocal variables are cleared properly.
Technical Details
- Data Version
- 5.2
- Assigner Short Name
- eclipse
- Date Reserved
- 2026-04-08T13:21:06.990Z
- Cvss Version
- 3.1
- State
- PUBLISHED
- Remediation Level
- null
Threat ID: 69d729211cc7ad14da1b33a0
Added to database: 4/9/2026, 4:20:49 AM
Last enriched: 4/9/2026, 4:35:44 AM
Last updated: 4/9/2026, 8:17:42 AM
Views: 8
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