CVE-2026-48786Network attack vector

Credential disclosure via unmasked target search response

Published Aug 26, 2026 · Updated Aug 26, 2026

Sensitive information exposure in Fleet before 4.87.0 allows remote authenticated users to retrieve team secrets through target search. POST /api/latest/fleet/targets omitted the masking applied by other team endpoints, returning enroll secrets and credential-bearing agent options. Observer, Observer+, or Technician access is required; exposed enroll secrets permit unauthorized host enrollment, while stored credentials are disclosed.

CVSS severity6.5
Medium
EPSS probability0.25%
Next 30 days · Sep 16, 2026
Known exploitationUnconfirmed
Based on sourced intelligence
Hinoki checkNot available
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Summary

What happened

Sensitive information exposure in Fleet before 4.87.0 allows remote authenticated users to retrieve team secrets through target search. POST /api/latest/fleet/targets omitted the masking applied by other team endpoints, returning enroll secrets and credential-bearing agent options. Observer, Observer+, or Technician access is required; exposed enroll secrets permit unauthorized host enrollment, while stored credentials are disclosed.

The record

CVE
CVE-2026-48786
Published
Aug 26, 2026
Updated
Aug 26, 2026
Vendor
Fleet Device Management
Product
Fleet
Classifications
CWE-200, T1528
Attack vector
network
Privileges
authenticated

Timeline

How it unfolded

  1. Aug 26, 2026CVE publishedPublication date reported by the CVE source.
  2. Aug 26, 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=< 4.87.0

What conditions does exploitation require?

Attack vectornetwork
Required privilegesauthenticated

What is affected?

Fleet Device Management · Fleetversion=< 4.87.0

Published CVSS scores

6.5GitHubCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A: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 9, 2026Sep 15, 2026
Latest reporting daySep 15, 2026
Latest daily unique IPsUnavailable
Prior 30-day averageUnavailable
SourceShadowserver honeypots (KEV)
Vectornetwork
Privilegesauthenticated
Known exploitationUnconfirmed
Public exploitUnconfirmed

Weakness, pattern, technique

CWE-200Exposure of Sensitive Information to an Unauthorized Actor
T1528Steal Application Access Token

Public exploit references

No public exploit references are available in this record.

Labels summarize the accepted research assessment. They do not indicate a test against your environment.

Technologies

Your stack

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Your stack

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