Nexus Repository 3: Access of Resource Using Incompatible Type
CVE-2026-14644 is a high-severity access of resource using incompatible type vulnerability in Nexus Repository 3 from Sonatype, with a CVSS 3.1 base score of 7.2 out of 10. It can be exploited remotely over the network by an attacker with administrator privileges, without any action from a user. The record lists version 3.95.0 as the first without the flaw, so updating Nexus Repository 3 to that release or later removes the exposure. There is no confirmed exploitation so far. EPSS estimates a 0.61% chance of exploitation within 30 days, which is low compared with other CVEs.
High severity with no evidence of exploitation so far.
What to do
- Update Nexus Repository 3 to 3.95.0 or a later version.
- Update Nexus Repository Manager to 3.95.0 or a later version.
- Read the advisory on support.sonatype.com for workarounds and exact fixed builds.
Affected products and versions
| Vendor | Product | Affected versions | Fixed in |
|---|---|---|---|
| Sonatype | Nexus Repository 3 | 3.19.0 up to, but not including, 3.95.0 | 3.95.0 |
| Sonatype | Nexus Repository Manager | 3.19.0 up to, but not including, 3.95.0 | 3.95.0 |
Version data comes from the organisation that assigned the CVE. Confirm against the vendor advisory before deciding you are unaffected.
How the severity score breaks down
- Attack vector
- NetworkCan be exploited remotely over a network, including the internet.
- Attack complexity
- LowNo special conditions are needed; the attack works reliably.
- Privileges required
- HighAdministrator-level access is required first.
- User interaction
- NoneNo action by a victim is required.
- Scope
- UnchangedImpact stays within the vulnerable component.
- Confidentiality
- HighAll data handled by the component can be read.
- Integrity
- HighData or code can be modified at will.
- Availability
- HighThe component can be taken down completely.
Vector: CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H. Scored by NVD.
| Scoring system | Score | Severity | Scored by |
|---|---|---|---|
| CVSS 4.0 | 8.6 | High | CNA |
| CVSS 3.1 | 7.2 | High | NVD |
Official description
Nexus Repository 3 contained a privilege escalation vulnerability in the REST privileges API. An authenticated user with permission to manage privileges could, under certain role configurations, escalate their own access to full administrator by exploiting a type-confusion flaw in the privilege update endpoint.
Source: the CVE record as published by its numbering authority, via NVD and CVE.org.
The underlying weakness: Access of Resource Using Incompatible Type
The product allocates or initializes a resource such as a pointer, object, or variable using one type, but it later accesses that resource using a type that is incompatible with the original type.
More Access of Resource Using Incompatible Type vulnerabilities (CWE-843)
Timeline
- CVE record published.
- CISA published its SSVC assessment (exploitation: none, automatable: no, technical impact: total).
- Record last changed materially (score, affected products, status or references).
References
Patches and release notes
Other vulnerabilities in Nexus Repository 3
- 8.6 High severity
- 8.1 High severity
- 7.1 High severity
- 7.1 High severity
- 7.7 High severity
- 8.7 High severity
Recent Access of Resource Using Incompatible Type vulnerabilities
- 9.8 Critical severity
- 8.8 High severity
- 9.6 Critical severity
- 8.8 High severity
- 7.5 High severity
- 8.8 High severity
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