How severe is CVE-2026-34651?

CVE-2026-34651 has a CVSS 3.x base score of 7.5, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is none, integrity none, and availability high.

Is CVE-2026-34651 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (48th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2026-34651?

CVE-2026-34651 primarily affects Adobe Commerce. In total, 161 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2026-34651?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.

Does CVE-2026-34651 have an EU (EUVD) identifier?

Yes. CVE-2026-34651 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-29760.

When was CVE-2026-34651 published?

CVE-2026-34651 was published on 2026-05-12 and last updated on 2026-06-17.

CVE-2026-34651

CVE-2026-34651 is a high-severity vulnerability in Adobe Commerce with a CVSS 3.x base score of 7.5. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-400.

Key facts

Severity: High (CVSS 3.x base score 7.5)
EPSS exploit prediction: 1% (48th percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2026-29760
Weakness: CWE-400
Affected product: Adobe Commerce
Published: 2026-05-12
Last modified: 2026-06-17

Description

Adobe Commerce versions 2.4.9-beta1, 2.4.8-p4, 2.4.7-p9, 2.4.6-p14, 2.4.5-p16, 2.4.4-p17 and earlier are affected by an Uncontrolled Resource Consumption vulnerability that could lead to application denial-of-service. An attacker could exploit this vulnerability to exhaust system resources, resulting in an application denial-of-service condition. Exploitation of this issue does not require user interaction.

Frequently asked questions

What is CVE-2026-34651?: Adobe Commerce versions 2.4.9-beta1, 2.4.8-p4, 2.4.7-p9, 2.4.6-p14, 2.4.5-p16, 2.4.4-p17 and earlier are affected by an Uncontrolled Resource Consumption vulnerability that could lead to application denial-of-service. An attacker could exploit this vulnerability to exhaust system resources, resulting in an application denial-of-service condition. Exploitation of this issue does not require user interaction.
How severe is CVE-2026-34651?: CVE-2026-34651 has a CVSS 3.x base score of 7.5, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is none, integrity none, and availability high.
Is CVE-2026-34651 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (48th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2026-34651?: CVE-2026-34651 primarily affects Adobe Commerce. In total, 161 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2026-34651?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
Does CVE-2026-34651 have an EU (EUVD) identifier?: Yes. CVE-2026-34651 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-29760.
When was CVE-2026-34651 published?: CVE-2026-34651 was published on 2026-05-12 and last updated on 2026-06-17.

References

https://helpx.adobe.com/security/products/magento/apsb26-49.html

Affected products (161)

cpe:2.3:a:adobe:commerce:*:*:*:*:*:*:*:*
cpe:2.3:a:adobe:commerce:2.4.4:-:*:*:*:*:*:*
cpe:2.3:a:adobe:commerce:2.4.4:p1:*:*:*:*:*:*
cpe:2.3:a:adobe:commerce:2.4.4:p10:*:*:*:*:*:*
cpe:2.3:a:adobe:commerce:2.4.4:p11:*:*:*:*:*:*
cpe:2.3:a:adobe:commerce:2.4.4:p12:*:*:*:*:*:*
cpe:2.3:a:adobe:commerce:2.4.4:p13:*:*:*:*:*:*
cpe:2.3:a:adobe:commerce:2.4.4:p14:*:*:*:*:*:*
cpe:2.3:a:adobe:commerce:2.4.4:p15:*:*:*:*:*:*
cpe:2.3:a:adobe:commerce:2.4.4:p16:*:*:*:*:*:*
cpe:2.3:a:adobe:commerce:2.4.4:p17:*:*:*:*:*:*
cpe:2.3:a:adobe:commerce:2.4.4:p2:*:*:*:*:*:*
cpe:2.3:a:adobe:commerce:2.4.4:p3:*:*:*:*:*:*
cpe:2.3:a:adobe:commerce:2.4.4:p4:*:*:*:*:*:*
cpe:2.3:a:adobe:commerce:2.4.4:p5:*:*:*:*:*:*
cpe:2.3:a:adobe:commerce:2.4.4:p6:*:*:*:*:*:*
cpe:2.3:a:adobe:commerce:2.4.4:p7:*:*:*:*:*:*
cpe:2.3:a:adobe:commerce:2.4.4:p8:*:*:*:*:*:*
cpe:2.3:a:adobe:commerce:2.4.4:p9:*:*:*:*:*:*
cpe:2.3:a:adobe:commerce:2.4.5:-:*:*:*:*:*:*
cpe:2.3:a:adobe:commerce:2.4.5:p1:*:*:*:*:*:*
cpe:2.3:a:adobe:commerce:2.4.5:p10:*:*:*:*:*:*
cpe:2.3:a:adobe:commerce:2.4.5:p11:*:*:*:*:*:*
cpe:2.3:a:adobe:commerce:2.4.5:p12:*:*:*:*:*:*
cpe:2.3:a:adobe:commerce:2.4.5:p13:*:*:*:*:*:*
cpe:2.3:a:adobe:commerce:2.4.5:p14:*:*:*:*:*:*
cpe:2.3:a:adobe:commerce:2.4.5:p15:*:*:*:*:*:*
cpe:2.3:a:adobe:commerce:2.4.5:p16:*:*:*:*:*:*
cpe:2.3:a:adobe:commerce:2.4.5:p2:*:*:*:*:*:*
cpe:2.3:a:adobe:commerce:2.4.5:p3:*:*:*:*:*:*
cpe:2.3:a:adobe:commerce:2.4.5:p4:*:*:*:*:*:*
cpe:2.3:a:adobe:commerce:2.4.5:p5:*:*:*:*:*:*
cpe:2.3:a:adobe:commerce:2.4.5:p6:*:*:*:*:*:*
cpe:2.3:a:adobe:commerce:2.4.5:p7:*:*:*:*:*:*
cpe:2.3:a:adobe:commerce:2.4.5:p8:*:*:*:*:*:*
cpe:2.3:a:adobe:commerce:2.4.5:p9:*:*:*:*:*:*
cpe:2.3:a:adobe:commerce:2.4.6:-:*:*:*:*:*:*
cpe:2.3:a:adobe:commerce:2.4.6:p1:*:*:*:*:*:*
cpe:2.3:a:adobe:commerce:2.4.6:p10:*:*:*:*:*:*
cpe:2.3:a:adobe:commerce:2.4.6:p11:*:*:*:*:*:*

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