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CVE-2026-11403

Nexus Repository Manager - Insufficient Entropy in Format-Specific API Key Generation

HIGH

7.5

CVSS Score

Published: July 14, 2026 at 03:28 PM UTC

Updated: October 24, 2026 at 09:10 PM UTC

1 product affected across 1 vendorNexus Repository Manager

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Severity

HIGH7.5

Exploit prediction

EPSS 0.5%

SSVC

No known exploit

Description

A vulnerability in Sonatype Nexus Repository Manager's format-specific API key generation may allow a remote attacker to gain unauthorized access to repository operations as a targeted user. A format-specific API key realm (NuGet API Key, Docker Bearer Token, or npm Bearer Token) must be enabled and the targeted user must have an active API key for this vulnerability to be exploitable.

Affected

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

Nexus Repository Manager · Sonatype

95%

3.0.0 ≤ v < 3.93.03.0.0 3.0.1 3.0.2 3.1.0 3.10.0 3.11.0 3.12.0 3.12.1 3.13.0 3.14.0 3.15.0 3.15.1 3.15.2 3.16.0 3.16.1 3.16.2 3.17.0 3.18.0 3.18.1 3.19.0 3.19.1 3.2.0 3.2.1 3.20.0 3.20.1 3.20.2 3.20.3 3.21.0 3.21.1 3.21.2 3.22.0 3.22.1 3.23.0 3.24.0 3.24.1 3.25.0 3.25.1 3.26.0 3.26.1 3.27.0 3.28.0 3.28.1 3.29.0 3.29.1 3.29.2 3.3.0 3.3.1 3.3.2 3.30.0 3.30.1 3.31.0 3.31.1 3.32.0 3.32.1 3.33.0 3.33.1 3.34.0 3.34.1 3.35.0 3.36.0 3.37.0 3.37.1 3.37.2 3.37.3 3.38.0 3.38.1 3.39.0 3.4.0 3.40.0 3.40.1 3.41.0 3.41.1 3.42.0 3.43.0 3.44.0 3.45.0 3.45.1 3.46.0 3.47.0 3.47.1 3.48.0 3.49.0 3.5.0 3.5.1 3.5.2 3.50.0 3.51.0 3.52.0 3.53.0 3.53.1 3.54.0 3.54.1 3.55.0 3.56.0 3.57.0 3.57.1 3.58.0 3.58.1 3.59.0 3.6.0 3.6.1 3.6.2 3.60.0 3.61.0 3.62.0 3.63.0 3.64.0 3.65.0 3.66.0 3.67.0 3.67.1 3.68.0 3.68.1 3.69.0 3.7.0 3.7.1 3.70.0 3.70.1 3.70.2 3.70.3 3.70.4 3.70.5 3.71.0 3.72.0 3.73.0 3.74.0 3.75.0 3.75.1 3.76.0 3.76.1 3.77.0 3.77.1 3.77.2 3.78.0 3.78.1 3.78.2 3.78.3 3.79.0 3.79.1 3.8.0 3.80.0 3.81.0 3.81.1 3.82.0 3.82.1 3.83.0 3.83.1 3.83.2 3.84.0 3.84.1 3.84.2 3.85.0 3.85.1 3.86.0 3.86.1 3.86.2 3.86.3 3.87.0 3.87.1 3.87.2 3.88.0 3.88.1 3.89.0 3.89.1 3.9.0 3.90.0 3.90.1 3.90.2 3.90.3 3.90.4 3.91.0 3.91.1 3.92.0 3.92.1 3.92.2 3.92.3

Affected range stops below 3.93.0, so it looks safe — our inference, not a vendor statement

Remediation

No guide yet

No remediation guidance has been written for this CVE yet. What the record does show:

Patch and advisory references

References (2)

PatchRelease Notes

Source: cverecord

https://help.sonatype.com/en/sonatype-nexus-repository-3-93-0-release-notes.html

Vendor Advisory

Source: cverecord

https://support.sonatype.com/hc/en-us/articles/52347011450515/

SSVC — Action Prioritization

SSVCNo known exploitNot automatablePartial impact

SSVC signals action urgency (what to patch first), separate from CVSS which measures severity.

CVSS

7.5HIGH[email protected]

Attack Vector: NETWORK
Complexity: LOW
Privileges: NONE
User Interaction: NONE
Scope: UNCHANGED
Confidentiality: HIGH
Integrity: NONE
Availability: NONE

Vector?

Quick Info

StatusANALYZED

CWE

CWE-331

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