CVE-2026-42660Network attack vector

Subscriber-level sensitive system information disclosure

Published Jun 15, 2026 · Updated Jun 15, 2026

Sensitive system information exposure in Contest Gallery 28.1.7 and earlier allows remote authenticated users to view protected data. Patchstack and the upstream changelog do not disclose the affected endpoint or function, the exposed data, or the operation that releases it. Subscriber access is required, and the published impact is limited to confidentiality with no reported data alteration or service interruption.

CVSS severity6.5
Medium
EPSS probability0.34%
Next 30 days · Sep 16, 2026
Known exploitationUnconfirmed
Based on sourced intelligence
Hinoki checkNot available
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Summary

What happened

Sensitive system information exposure in Contest Gallery 28.1.7 and earlier allows remote authenticated users to view protected data. Patchstack and the upstream changelog do not disclose the affected endpoint or function, the exposed data, or the operation that releases it. Subscriber access is required, and the published impact is limited to confidentiality with no reported data alteration or service interruption.

The record

CVE
CVE-2026-42660
Published
Jun 15, 2026
Updated
Jun 15, 2026
Vendor
Wasiliy Strecker / ContestGallery developer
Product
Contest Gallery
Classifications
CWE-497, CAPEC-37
Attack vector
network
Privileges
authenticated

Timeline

How it unfolded

  1. Jun 15, 2026CVE publishedPublication date reported by the CVE source.
  2. Jun 15, 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=n/a <=28.1.7 changes=[{"at":"29.0.0","status":"unaffected"}]

What conditions does exploitation require?

Attack vectornetwork
Required privilegesauthenticated

What is affected?

Wasiliy Strecker / ContestGallery developer · Contest Galleryversion=n/a <=28.1.7 changes=[{"at":"29.0.0","status":"unaffected"}]

Published CVSS scores

6.5PatchstackCVSS: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.

Daily unique IPsNo honeypot observations are available for this CVE in the selected window.

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
Privilegesauthenticated
Known exploitationUnconfirmed
Public exploitUnconfirmed

Weakness, pattern, technique

CWE-497Exposure of Sensitive System Information to an Unauthorized Control Sphere
CAPEC-37Retrieve Embedded Sensitive Data

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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