CVE-2026-14504Network attack vector

Unauthorized artifact upload via missing permission check

Published Jul 14, 2026 · Updated Jul 14, 2026

Authorization bypass in Nexus Repository 3 before 3.94.0 allows remote attackers to upload artifacts through the component API. POST /service/rest/v1/components accepts Swift, Terraform, or Conda uploads from principals with read/browse access but no edit permission. Exploitation normally requires an authenticated account and an affected hosted repository; explicitly enabled anonymous access removes the credential requirement and permits attacker-controlled artifacts to reach downstream consumers.

CVSS severity8.2
High
EPSS probability0.45%
Next 30 days · Sep 16, 2026
Known exploitationUnconfirmed
Based on sourced intelligence
Hinoki checkNot available
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Summary

What happened

Authorization bypass in Nexus Repository 3 before 3.94.0 allows remote attackers to upload artifacts through the component API. POST /service/rest/v1/components accepts Swift, Terraform, or Conda uploads from principals with read/browse access but no edit permission. Exploitation normally requires an authenticated account and an affected hosted repository; explicitly enabled anonymous access removes the credential requirement and permits attacker-controlled artifacts to reach downstream consumers.

The record

CVE
CVE-2026-14504
Published
Jul 14, 2026
Updated
Jul 14, 2026
Vendor
Sonatype
Product
Nexus Repository
Classifications
CWE-862, T1195.001
Attack vector
network
Privileges
unauthenticated

Timeline

How it unfolded

  1. Jul 14, 2026CVE publishedPublication date reported by the CVE source.
  2. Jul 14, 2026Record updatedLatest update available in the CVE record.

Exploitability

Present is not the same as exploitable

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Is a vulnerable build present?

Compare these published version ranges with your installed build and any vendor patches.

  1. Affected versionversion=3.88.0 <3.94.0

What conditions does exploitation require?

Attack vectornetwork
Required privilegesunauthenticated

What is affected?

Sonatype · Nexus Repositoryversion=3.88.0 <3.94.0

Published CVSS scores

8.2SonatypeCVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:N/VI:H/VA:N/SC:N/SI:N/SA:N

CVSS describes severity. EPSS estimates exploitation probability.

Attacks

What attackers are doing with it

Daily unique IPs observed by Shadowserver honeypots for known exploited vulnerabilities (KEVs). Missing observations do not establish an absence of attacks.

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No observations available

Sep 10, 2026Sep 16, 2026
Latest reporting daySep 16, 2026
Latest daily unique IPsUnavailable
Prior 30-day averageUnavailable
SourceShadowserver honeypots (KEV)
Vectornetwork
Privilegesunauthenticated
Known exploitationUnconfirmed
Public exploitUnconfirmed

Weakness, pattern, technique

CWE-862Missing Authorization
T1195.001Compromise Software Dependencies and Development Tools

Public exploit references

No public exploit references are available in this record.

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Technologies

Your stack

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Your stack

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