5.3
MEDIUM
CVSS 4.0
CVE-2026-17595
Nexus Repository 3 - JEXL Content Selector Sandbox Property-Read Bypass
Overview
Description
Nexus Repository 3 did not fully sandbox JEXL expressions used in Content Selectors. An account holding the nexus:selectors:create permission could construct an expression that read Java object properties not intended to be exposed to the expression engine, disclosing internal JVM class metadata such as class and classloader names. This issue does not permit method invocation, object construction, or arbitrary code execution. This has been fixed by restricting property access in the JEXL sandbox to the intended data types.
Details
INFO
Published Date :
Aug. 7, 2026, 5:16 p.m.
Last Modified :
Aug. 7, 2026, 7:17 p.m.
Remotely Exploit :
Yes !
Source :
103e4ec9-0a87-450b-af77-479448ddef11
Impact
Affected Products
The following products are affected by CVE-2026-17595
vulnerability.
Even if cvefeed.io is aware of the exact versions of the
products
that
are
affected, the information is not represented in the table below.
No affected product recoded yet
Scoring
CVSS Scores
The Common Vulnerability Scoring System is a standardized framework
for assessing the severity of vulnerabilities in software and systems.
We collect and displays CVSS scores from various sources for each CVE.
| Score | Version | Severity | Vector | Exploitability Score | Impact Score | Source |
|---|---|---|---|---|---|---|
| CVSS | 134c704f-9b21-4f2e-91b3-4a467353bcc0 | |||||
| CVSS 4.0 | MEDIUM | 103e4ec9-0a87-450b-af77-479448ddef11 | ||||
| CVSS 4.0 | MEDIUM | 103e4ec9-0a87-450b-af77-479448ddef11 |
Solution
Update Nexus Repository 3 to restrict JEXL expression property access and prevent information disclosure.
- Update Nexus Repository 3 to the latest version.
- Apply vendor security patches.
- Restrict access to sensitive JEXL expressions.
References
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-2026-17595.
| URL | Resource |
|---|---|
| https://help.sonatype.com/en/sonatype-nexus-repository-3-95-0-release-notes.html | |
| https://support.sonatype.com/hc/en-us/articles/53863820953747/ |
CWE - Common Weakness Enumeration
While CVE identifies
specific instances of vulnerabilities, CWE categorizes the common flaws or
weaknesses that can lead to vulnerabilities. CVE-2026-17595 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-2026-17595
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-2026-17595 vulnerability anywhere in the article.
The following table lists the changes that have been made to the
CVE-2026-17595 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.
-
CVE Modified by 134c704f-9b21-4f2e-91b3-4a467353bcc0
Aug. 07, 2026
Action Type Old Value New Value Added SSVC {'id': 'CVE-2026-17595', 'role': 'CISA Coordinator', 'options': [{'exploitation': 'none'}, {'automatable': 'no'}, {'technicalImpact': 'partial'}], 'version': '2.0.3', 'timestamp': '2026-08-07T18:10:22.078621Z'} -
New CVE Received by 103e4ec9-0a87-450b-af77-479448ddef11
Aug. 07, 2026
Action Type Old Value New Value Added Affected [{'cpes': ['cpe:2.3:a:sonatype:nexus_repository_manager:3.15.0:*:*:*:*:*:*:*', 'cpe:2.3:a:sonatype:nexus_repository_manager:3.15.1:*:*:*:*:*:*:*', 'cpe:2.3:a:sonatype:nexus_repository_manager:3.15.2:*:*:*:*:*:*:*', 'cpe:2.3:a:sonatype:nexus_repository_manager:3.15.3:*:*:*:*:*:*:*', 'cpe:2.3:a:sonatype:nexus_repository_manager:3.16.0:*:*:*:*:*:*:*', 'cpe:2.3:a:sonatype:nexus_repository_manager:3.16.1:*:*:*:*:*:*:*', 'cpe:2.3:a:sonatype:nexus_repository_manager:3.16.2:*:*:*:*:*:*:*', 'cpe:2.3:a:sonatype:nexus_repository_manager:3.17.0:*:*:*:*:*:*:*', 'cpe:2.3:a:sonatype:nexus_repository_manager:3.17.1:*:*:*:*:*:*:*', 'cpe:2.3:a:sonatype:nexus_repository_manager:3.17.2:*:*:*:*:*:*:*', 'cpe:2.3:a:sonatype:nexus_repository_manager:3.18.0:*:*:*:*:*:*:*', 'cpe:2.3:a:sonatype:nexus_repository_manager:3.18.1:*:*:*:*:*:*:*', 'cpe:2.3:a:sonatype:nexus_repository_manager:3.19.0:*:*:*:*:*:*:*', 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'cpe:2.3:a:sonatype:nexus_repository_manager:3.94.1:*:*:*:*:*:*:*'], 'vendor': 'Sonatype', 'product': 'Nexus Repository 3', 'versions': [{'status': 'affected', 'version': '3.15.0', 'lessThan': '3.95.0', 'versionType': 'semver'}], 'defaultStatus': 'unaffected'}] Added Description Nexus Repository 3 did not fully sandbox JEXL expressions used in Content Selectors. An account holding the nexus:selectors:create permission could construct an expression that read Java object properties not intended to be exposed to the expression engine, disclosing internal JVM class metadata such as class and classloader names. This issue does not permit method invocation, object construction, or arbitrary code execution. This has been fixed by restricting property access in the JEXL sandbox to the intended data types. Added CVSS V4.0 AV:N/AC:L/AT:N/PR:L/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X Added CWE CWE-497 Added Reference https://help.sonatype.com/en/sonatype-nexus-repository-3-95-0-release-notes.html Added Reference https://support.sonatype.com/hc/en-us/articles/53863820953747/
EPSS is a daily estimate of the probability of exploitation activity
being observed over the next 30 days. Following chart shows the EPSS
score history of the vulnerability.