4.9
MEDIUM
CVSS 4.0
CVE-2026-14646
Nexus Repository 3 - Server-Side Request Forgery (SSRF) via HTTP Redirect
Overview
Description
Nexus Repository 3 did not apply its existing Server-Side Request Forgery (SSRF) protections to HTTP redirect targets returned by proxy repository upstream servers. Any user with read access to a proxy repository backed by an attacker-controlled or compromised upstream server — including an anonymous user, if anonymous access is enabled — could receive a response from an internal network address or cloud metadata endpoint as repository content, potentially exposing sensitive information such as cloud IAM credentials.
Details
INFO
Published Date :
July 14, 2026, 5:16 p.m.
Last Modified :
July 15, 2026, 8:08 p.m.
Remotely Exploit :
Yes !
Source :
103e4ec9-0a87-450b-af77-479448ddef11
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 Manager to the latest version to fix SSRF vulnerability.
- Update Nexus Repository Manager to the latest version.
- Review and restrict access to proxy repositories.
- Disable anonymous access if not required.
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-2026-14646.
| URL | Resource |
|---|---|
| https://help.sonatype.com/en/sonatype-nexus-repository-3-94-0-release-notes.html | |
| https://support.sonatype.com/hc/en-us/articles/53165019641363/ |
CWE - Common Weakness Enumeration
While CVE identifies
specific instances of vulnerabilities, CWE categorizes the common flaws or
weaknesses that can lead to vulnerabilities. CVE-2026-14646 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-2026-14646
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-2026-14646 vulnerability anywhere in the article.
The following table lists the changes that have been made to the
CVE-2026-14646 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
Jul. 15, 2026
Action Type Old Value New Value Added SSVC {'id': 'CVE-2026-14646', 'role': 'CISA Coordinator', 'options': [{'exploitation': 'none'}, {'automatable': 'no'}, {'technicalImpact': 'partial'}], 'version': '2.0.3', 'timestamp': '2026-07-15T14:49:25.332647Z'} -
New CVE Received by 103e4ec9-0a87-450b-af77-479448ddef11
Jul. 14, 2026
Action Type Old Value New Value Added Affected [{'cpes': ['cpe:2.3:a:sonatype:nexus_repository_manager:3.0.0:*:*:*:*:*:*:*', 'cpe:2.3:a:sonatype:nexus_repository_manager:3.0.1:*:*:*:*:*:*:*', 'cpe:2.3:a:sonatype:nexus_repository_manager:3.0.2:*:*:*:*:*:*:*', 'cpe:2.3:a:sonatype:nexus_repository_manager:3.1.0:*:*:*:*:*:*:*', 'cpe:2.3:a:sonatype:nexus_repository_manager:3.2.0:*:*:*:*:*:*:*', 'cpe:2.3:a:sonatype:nexus_repository_manager:3.2.1:*:*:*:*:*:*:*', 'cpe:2.3:a:sonatype:nexus_repository_manager:3.3.0:*:*:*:*:*:*:*', 'cpe:2.3:a:sonatype:nexus_repository_manager:3.3.1:*:*:*:*:*:*:*', 'cpe:2.3:a:sonatype:nexus_repository_manager:3.3.2:*:*:*:*:*:*:*', 'cpe:2.3:a:sonatype:nexus_repository_manager:3.4.0:*:*:*:*:*:*:*', 'cpe:2.3:a:sonatype:nexus_repository_manager:3.5.0:*:*:*:*:*:*:*', 'cpe:2.3:a:sonatype:nexus_repository_manager:3.5.1:*:*:*:*:*:*:*', 'cpe:2.3:a:sonatype:nexus_repository_manager:3.5.2:*:*:*:*:*:*:*', 'cpe:2.3:a:sonatype:nexus_repository_manager:3.6.0:*:*:*:*:*:*:*', 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'cpe:2.3:a:sonatype:nexus_repository_manager:3.90.2:*:*:*:*:*:*:*', 'cpe:2.3:a:sonatype:nexus_repository_manager:3.90.3:*:*:*:*:*:*:*', '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:*:*:*:*:*:*:*'], 'vendor': 'Sonatype', 'product': 'Nexus Repository 3', 'versions': [{'status': 'affected', 'version': '3.0.0', 'lessThan': '3.94.0', 'versionType': 'semver'}], 'defaultStatus': 'unaffected'}] Added Description Nexus Repository 3 did not apply its existing Server-Side Request Forgery (SSRF) protections to HTTP redirect targets returned by proxy repository upstream servers. Any user with read access to a proxy repository backed by an attacker-controlled or compromised upstream server — including an anonymous user, if anonymous access is enabled — could receive a response from an internal network address or cloud metadata endpoint as repository content, potentially exposing sensitive information such as cloud IAM credentials. Added CVSS V4.0 AV:N/AC:L/AT:P/PR:L/UI:N/VC:N/VI:N/VA:N/SC:N/SI:H/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-918 Added Reference https://help.sonatype.com/en/sonatype-nexus-repository-3-94-0-release-notes.html Added Reference https://support.sonatype.com/hc/en-us/articles/53165019641363/
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.