CVE-2026-21309Network attack vector

Unauthenticated protected-data access via undisclosed authorization flaw

Published Mar 11, 2026 · Updated Mar 11, 2026

Incorrect authorization in affected Adobe Commerce releases allows remote attackers to view protected data without credentials or interaction. Adobe has not disclosed the affected component, request path, or authorization operation that permits access to the protected data. The issue is network-reachable without authentication; the documented consequence is unauthorized viewing, not data modification or service interruption.

CVSS severity7.5
High
EPSS probability0.56%
Next 30 days · Sep 16, 2026
Known exploitationUnconfirmed
Based on sourced intelligence
Hinoki checkNot available
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Summary

What happened

Incorrect authorization in affected Adobe Commerce releases allows remote attackers to view protected data without credentials or interaction. Adobe has not disclosed the affected component, request path, or authorization operation that permits access to the protected data. The issue is network-reachable without authentication; the documented consequence is unauthorized viewing, not data modification or service interruption.

The record

CVE
CVE-2026-21309
Published
Mar 11, 2026
Updated
Mar 11, 2026
Vendor
Adobe
Product
Adobe Commerce
Classifications
CWE-863, T1190
Attack vector
network
Privileges
unauthenticated

Timeline

How it unfolded

  1. Mar 11, 2026CVE publishedPublication date reported by the CVE source.
  2. Mar 11, 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=0 <=2.4.4-p16

What conditions does exploitation require?

Attack vectornetwork
Required privilegesunauthenticated

What is affected?

Adobe · Adobe Commerceversion=0 <=2.4.4-p16

Published CVSS scores

7.5Adobe Systems IncorporatedCVSS:3.1/AV:N/AC:L/PR:N/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
Privilegesunauthenticated
Known exploitationUnconfirmed
Public exploitUnconfirmed

Weakness, pattern, technique

CWE-863Incorrect Authorization
T1190Exploit Public-Facing Application

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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