CVE-2026-17598
Nexus Repository 3 - Improper Input Validation in Scheduled Task Configuration
Description
Sonatype Nexus Repository 3 did not properly filter internal configuration keys from user-supplied task properties when creating or updating a scheduled task through the administrative UI. An account holding permission to create at least one scheduled task type could supply a crafted property value that caused the system to overwrite the configuration of an unrelated, existing task instead of creating a new one.
INFO
Published Date :
Aug. 7, 2026, 5:17 p.m.
Last Modified :
Oct. 23, 2026, 8:10 p.m.
Remotely Exploit :
Yes !
Source :
103e4ec9-0a87-450b-af77-479448ddef11
CVSS Scores
| Score | Version | Severity | Vector | Exploitability Score | Impact Score | Source |
|---|---|---|---|---|---|---|
| CVSS | 134c704f-9b21-4f2e-91b3-4a467353bcc0 | |||||
| CVSS 3.1 | MEDIUM | [email protected] | ||||
| CVSS 4.0 | MEDIUM | 103e4ec9-0a87-450b-af77-479448ddef11 | ||||
| CVSS 4.0 | MEDIUM | 103e4ec9-0a87-450b-af77-479448ddef11 |
Solution
- Update Sonatype Nexus Repository 3 to the latest version.
- Review and re-apply task configurations.
- Restrict task creation permissions.
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-2026-17598.
| URL | Resource |
|---|---|
| https://help.sonatype.com/en/sonatype-nexus-repository-3-95-0-release-notes.html | Release Notes |
| https://support.sonatype.com/hc/en-us/articles/53880086360211/ | Vendor Advisory |
CWE - Common Weakness Enumeration
While CVE identifies
specific instances of vulnerabilities, CWE categorizes the common flaws or
weaknesses that can lead to vulnerabilities. CVE-2026-17598 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-2026-17598
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-2026-17598 vulnerability anywhere in the article.
The following table lists the changes that have been made to the
CVE-2026-17598 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 Translated by [email protected]
Oct. 23, 2026
Action Type Old Value New Value Added Translation Title: Nexus Repository 3 de Sonatype, Description: Sonatype Nexus Repository 3 no filtraba correctamente las claves de configuración internas de las propiedades de tarea proporcionadas por el usuario al crear o actualizar una tarea programada a través de la interfaz de usuario administrativa. Una cuenta con permiso para crear al menos un tipo de tarea programada podría proporcionar un valor de propiedad manipulado que causó que el sistema sobrescribiera la configuración de una tarea existente no relacionada en lugar de crear una nueva. -
Initial Analysis by [email protected]
Sep. 22, 2026
Action Type Old Value New Value Added CVSS V3.1 AV:N/AC:L/PR:H/UI:N/S:U/C:N/I:H/A:N Added CPE Configuration OR *cpe:2.3:a:sonatype:nexus_repository_manager:*:*:*:*:*:*:*:* versions from (including) 3.91.0 up to (excluding) 3.95.0 Added Reference Type Sonatype: https://help.sonatype.com/en/sonatype-nexus-repository-3-95-0-release-notes.html Types: Release Notes Added Reference Type Sonatype: https://support.sonatype.com/hc/en-us/articles/53880086360211/ Types: Vendor Advisory -
CVE Modified by 134c704f-9b21-4f2e-91b3-4a467353bcc0
Aug. 07, 2026
Action Type Old Value New Value Added SSVC {'id': 'CVE-2026-17598', 'role': 'CISA Coordinator', 'options': [{'exploitation': 'none'}, {'automatable': 'no'}, {'technicalImpact': 'partial'}], 'version': '2.0.3', 'timestamp': '2026-08-07T18:09:21.078950Z'} -
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:3.91.0:*:*:*:*:*:*:*', 'cpe:2.3:a:sonatype:nexus_repository_manager:3.91.1:*:*:*:*:*:*:*', 'cpe:2.3:a:sonatype:nexus_repository_manager:3.92.0:*:*:*:*:*:*:*', 'cpe:2.3:a:sonatype:nexus_repository_manager:3.92.1:*:*:*:*:*:*:*', 'cpe:2.3:a:sonatype:nexus_repository_manager:3.92.2:*:*:*:*:*:*:*', 'cpe:2.3:a:sonatype:nexus_repository_manager:3.92.3:*:*:*:*:*:*:*', 'cpe:2.3:a:sonatype:nexus_repository_manager:3.93.0:*:*:*:*:*:*:*', 'cpe:2.3:a:sonatype:nexus_repository_manager:3.93.1:*:*:*:*:*:*:*', 'cpe:2.3:a:sonatype:nexus_repository_manager:3.93.2:*:*:*:*:*:*:*', 'cpe:2.3:a:sonatype:nexus_repository_manager:3.94.0:*:*:*:*:*:*:*', 'cpe:2.3:a:sonatype:nexus_repository_manager:3.94.1:*:*:*:*:*:*:*'], 'vendor': 'Sonatype', 'product': 'Nexus Repository 3', 'versions': [{'status': 'affected', 'version': '3.91.0', 'lessThan': '3.95.0', 'versionType': 'semver'}], 'defaultStatus': 'unaffected'}] Added Description Sonatype Nexus Repository 3 did not properly filter internal configuration keys from user-supplied task properties when creating or updating a scheduled task through the administrative UI. An account holding permission to create at least one scheduled task type could supply a crafted property value that caused the system to overwrite the configuration of an unrelated, existing task instead of creating a new one. Added CVSS V4.0 AV:N/AC:L/AT:N/PR:L/UI:N/VC:N/VI:L/VA:L/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-915 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/53880086360211/