CVE-2026-34649Network attack vector

Unauthenticated application denial-of-service

Published May 12, 2026 · Updated May 12, 2026

Uncontrolled resource consumption in affected Adobe Commerce releases allows remote attackers to interrupt the application without authentication. Adobe has not disclosed the request, component, or resource-accounting operation that permits attacker-controlled work to exhaust system resources. The attack requires no user interaction and can make the Commerce application unavailable, with no reported confidentiality or integrity impact.

CVSS severity7.5
High
EPSS probability14.38%
Next 30 days · Sep 16, 2026
Known exploitationUnconfirmed
Based on sourced intelligence
Hinoki checkNot available
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Summary

What happened

Uncontrolled resource consumption in affected Adobe Commerce releases allows remote attackers to interrupt the application without authentication. Adobe has not disclosed the request, component, or resource-accounting operation that permits attacker-controlled work to exhaust system resources. The attack requires no user interaction and can make the Commerce application unavailable, with no reported confidentiality or integrity impact.

The record

CVE
CVE-2026-34649
Published
May 12, 2026
Updated
May 12, 2026
Vendor
Adobe
Product
Adobe Commerce
Classifications
CWE-400, T1499
Attack vector
network
Privileges
unauthenticated

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

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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-p17

What conditions does exploitation require?

Attack vectornetwork
Required privilegesunauthenticated

What is affected?

Adobe · Adobe Commerceversion=0 <=2.4.4-p17

Published CVSS scores

7.5Adobe Systems IncorporatedCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

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 9, 2026Sep 15, 2026
Latest reporting daySep 15, 2026
Latest daily unique IPsUnavailable
Prior 30-day averageUnavailable
SourceShadowserver honeypots (KEV)
Vectornetwork
Privilegesunauthenticated
Known exploitationUnconfirmed
Public exploitUnconfirmed

Weakness, pattern, technique

CWE-400Uncontrolled Resource Consumption
T1499Endpoint Denial of Service

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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