CVE-2026-5795
Eclipse Jetty ThreadLocal Privilege Escalation Vulnerability
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.
INFO
Published Date :
April 8, 2026, 2:16 p.m.
Last Modified :
April 23, 2026, 11:54 a.m.
Remotely Exploit :
Yes !
Source :
[email protected]
CVSS Scores
| Score | Version | Severity | Vector | Exploitability Score | Impact Score | Source |
|---|---|---|---|---|---|---|
| CVSS 3.1 | HIGH | e51fbebd-6053-4e49-959f-1b94eeb69a2c | ||||
| CVSS 3.1 | HIGH | [email protected] | ||||
| CVSS 3.1 | HIGH | MITRE-CVE |
Solution
- Update Eclipse Jetty to the latest version.
- Apply vendor patches when available.
- Review authentication handling logic.
References to Advisories, Solutions, and Tools
Here, you will find a curated list of external links that provide in-depth
information, practical solutions, and valuable tools related to
CVE-2026-5795.
| URL | Resource |
|---|---|
| https://github.com/jetty/jetty.project/security/advisories/GHSA-r7p8-xq5m-436chttps:// | Broken Link |
| https://gitlab.eclipse.org/security/cve-assignment/-/issues/92 | Broken Link |
CWE - Common Weakness Enumeration
While CVE identifies
specific instances of vulnerabilities, CWE categorizes the common flaws or
weaknesses that can lead to vulnerabilities. CVE-2026-5795 is
associated with the following CWEs:
Common Attack Pattern Enumeration and Classification (CAPEC)
Common Attack Pattern Enumeration and Classification
(CAPEC)
stores attack patterns, which are descriptions of the common attributes and
approaches employed by adversaries to exploit the CVE-2026-5795
weaknesses.
We scan GitHub repositories to detect new proof-of-concept exploits. Following list is a collection of public exploits and proof-of-concepts, which have been published on GitHub (sorted by the most recently updated).
Results are limited to the first 15 repositories due to potential performance issues.
The following list is the news that have been mention
CVE-2026-5795 vulnerability anywhere in the article.
The following table lists the changes that have been made to the
CVE-2026-5795 vulnerability over time.
Vulnerability history details can be useful for understanding the evolution of a vulnerability, and for identifying the most recent changes that may impact the vulnerability's severity, exploitability, or other characteristics.
-
Initial Analysis by [email protected]
Apr. 23, 2026
Action Type Old Value New Value Added CPE Configuration OR *cpe:2.3:a:eclipse:jetty:*:*:*:*:*:*:*:* versions from (including) 10.0.0 up to (including) 10.0.26 *cpe:2.3:a:eclipse:jetty:*:*:*:*:*:*:*:* versions from (including) 11.0.0 up to (including) 11.0.26 *cpe:2.3:a:eclipse:jetty:*:*:*:*:*:*:*:* versions from (including) 9.4.0 up to (including) 9.4.58 *cpe:2.3:a:eclipse:jetty:*:*:*:*:*:*:*:* versions from (including) 12.0.0 up to (excluding) 12.0.34 *cpe:2.3:a:eclipse:jetty:*:*:*:*:*:*:*:* versions from (including) 12.1.0 up to (excluding) 12.1.8 Added Reference Type Eclipse Foundation: https://github.com/jetty/jetty.project/security/advisories/GHSA-r7p8-xq5m-436chttps:// Types: Broken Link Added Reference Type Eclipse Foundation: https://gitlab.eclipse.org/security/cve-assignment/-/issues/92 Types: Broken Link -
New CVE Received by [email protected]
Apr. 08, 2026
Action Type Old Value New Value Added 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. Added CVSS V3.1 AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:N Added CWE CWE-287 Added CWE CWE-226 Added Reference https://github.com/jetty/jetty.project/security/advisories/GHSA-r7p8-xq5m-436chttps:// Added Reference https://gitlab.eclipse.org/security/cve-assignment/-/issues/92