How severe is CVE-2026-21359?

CVE-2026-21359 has a CVSS 3.x base score of 4.7, rated medium severity. It is exploitable over network with high attack complexity, requires no privileges and user interaction. Impact on confidentiality is none, integrity low, and availability low.

Is CVE-2026-21359 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (11th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2026-21359?

CVE-2026-21359 primarily affects Adobe Commerce. In total, 183 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2026-21359?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.

Does CVE-2026-21359 have an EU (EUVD) identifier?

Yes. CVE-2026-21359 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-11067.

When was CVE-2026-21359 published?

CVE-2026-21359 was published on 2026-03-11 and last updated on 2026-06-17.

CVE-2026-21359

CVE-2026-21359 is a medium-severity vulnerability in Adobe Commerce with a CVSS 3.x base score of 4.7. 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-863.

Key facts

Severity: Medium (CVSS 3.x base score 4.7)
EPSS exploit prediction: 0% (11th percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2026-11067
Weakness: CWE-863
Affected product: Adobe Commerce
Published: 2026-03-11
Last modified: 2026-06-17

Description

Adobe Commerce versions 2.4.9-alpha3, 2.4.8-p3, 2.4.7-p8, 2.4.6-p13, 2.4.5-p15, 2.4.4-p16 and earlier are affected by an Incorrect Authorization vulnerability that could result in a Security feature bypass. An attacker could leverage this vulnerability to bypass security measures and have limited impact to the integrity and availability of data. The exploit depends on conditions beyond the attacker's control. Exploitation of this issue does not require user interaction.

Frequently asked questions

What is CVE-2026-21359?: Adobe Commerce versions 2.4.9-alpha3, 2.4.8-p3, 2.4.7-p8, 2.4.6-p13, 2.4.5-p15, 2.4.4-p16 and earlier are affected by an Incorrect Authorization vulnerability that could result in a Security feature bypass. An attacker could leverage this vulnerability to bypass security measures and have limited impact to the integrity and availability of data. The exploit depends on conditions beyond the attacker's control. Exploitation of this issue does not require user interaction.
How severe is CVE-2026-21359?: CVE-2026-21359 has a CVSS 3.x base score of 4.7, rated medium severity. It is exploitable over network with high attack complexity, requires no privileges and user interaction. Impact on confidentiality is none, integrity low, and availability low.
Is CVE-2026-21359 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (11th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2026-21359?: CVE-2026-21359 primarily affects Adobe Commerce. In total, 183 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2026-21359?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
Does CVE-2026-21359 have an EU (EUVD) identifier?: Yes. CVE-2026-21359 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-11067.
When was CVE-2026-21359 published?: CVE-2026-21359 was published on 2026-03-11 and last updated on 2026-06-17.

References

https://helpx.adobe.com/security/products/magento/apsb26-05.html

Affected products (183)

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: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: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:*:*:*:*:*:*
cpe:2.3:a:adobe:commerce:2.4.6:p12:*:*:*:*:*:*
cpe:2.3:a:adobe:commerce:2.4.6:p13:*:*:*:*:*:*

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Other CWE-863 (Incorrect Authorization) vulnerabilities

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CVE-2026-46595 — Critical (CVSS 10.0): Previously, CVE-2024-45337 fixed an authorization bypass for misused ssh server configurations; if any other type of…
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CVE-2026-32213 — Critical (CVSS 10.0): Improper authorization in Azure AI Foundry allows an unauthorized attacker to elevate privileges over a network.

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