CVE-2026-67283Network attack vector

Unauthenticated file operations via improper ACL enforcement

Published Aug 12, 2026 · Updated Aug 12, 2026

Improper access control in Tabaoca Cotton Cloud 1.0.0 through 2.0.1 allows remote attackers to read, delete, or overwrite stored files. The published record identifies an improper ACL implementation but does not disclose the affected endpoint, handler, or failed authorization check. No authentication is required, and every file managed by the extension is exposed to reading, deletion, overwriting, or permission reassignment.

CVSS severity6.9
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

Improper access control in Tabaoca Cotton Cloud 1.0.0 through 2.0.1 allows remote attackers to read, delete, or overwrite stored files. The published record identifies an improper ACL implementation but does not disclose the affected endpoint, handler, or failed authorization check. No authentication is required, and every file managed by the extension is exposed to reading, deletion, overwriting, or permission reassignment.

The record

CVE
CVE-2026-67283
Published
Aug 12, 2026
Updated
Aug 12, 2026
Vendor
Tabaoca
Product
Cotton Cloud
Classifications
CWE-284, T1213, T1565.001
Attack vector
network
Privileges
unauthenticated

Timeline

How it unfolded

  1. Aug 12, 2026CVE publishedPublication date reported by the CVE source.
  2. Aug 12, 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=1.0.0-2.0.1

What conditions does exploitation require?

Attack vectornetwork
Required privilegesunauthenticated

What is affected?

Tabaoca · Cotton Cloudversion=1.0.0-2.0.1

Published CVSS scores

6.9Joomla! ProjectCVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:L/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.

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
Privilegesunauthenticated
Known exploitationUnconfirmed
Public exploitUnconfirmed

Weakness, pattern, technique

CWE-284Improper Access Control
T1213Data from Information Repositories
T1565.001Stored Data Manipulation

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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