CVE-2026-34685Network attack vector

Unauthorized writes by remote administrators

Published May 12, 2026 · Updated May 12, 2026

Improper input validation in Adobe Commerce 2.4.9-beta1 and earlier allows remote authenticated users to gain unauthorized write access. Adobe has not disclosed the affected component, the rejected input, or the operation that processes it without adequate validation. Exploitation requires administrator privileges and user interaction with a malicious URL or compromised web page; the reported consequence is limited to unauthorized writes.

CVSS severity3.4
Low
EPSS probability0.37%
Next 30 days · Sep 16, 2026
Known exploitationUnconfirmed
Based on sourced intelligence
Hinoki checkNot available
Coverage for this vulnerability

See if you're affected

Explore vulnerability checks for your environment with Hinoki.

Book a demo

Summary

What happened

Improper input validation in Adobe Commerce 2.4.9-beta1 and earlier allows remote authenticated users to gain unauthorized write access. Adobe has not disclosed the affected component, the rejected input, or the operation that processes it without adequate validation. Exploitation requires administrator privileges and user interaction with a malicious URL or compromised web page; the reported consequence is limited to unauthorized writes.

The record

CVE
CVE-2026-34685
Published
May 12, 2026
Updated
May 12, 2026
Vendor
Adobe
Product
Adobe Commerce
Classifications
CWE-20, T1204.001
Attack vector
network
Privileges
admin

Timeline

How it unfolded

  1. May 12, 2026CVE publishedPublication date reported by the CVE source.
  2. May 12, 2026Record updatedLatest update available in the CVE record.

Exploitability

Present is not the same as exploitable

Compare your product and version with the public record. A matching version still requires validation against your environment.

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-p17

What conditions does exploitation require?

Attack vectornetwork
Required privilegesadmin

What is affected?

Adobe · Adobe Commerceversion=0 <=2.4.4-p17

Published CVSS scores

3.4AdobeCVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:C/C:N/I:L/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
Privilegesadmin
Known exploitationUnconfirmed
Public exploitUnconfirmed

Weakness, pattern, technique

CWE-20Improper Input Validation
T1204.001Malicious Link

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

See the directory against your own environment.

Your stack

Check the software in your environment

Book a demo to see how Hinoki identifies affected software and validates exploitability in your environment.

Book a demo