How severe is CVE-2026-48276?

CVE-2026-48276 has a CVSS 3.x base score of 10.0, rated critical severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.

Is CVE-2026-48276 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (69th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2026-48276?

CVE-2026-48276 primarily affects Adobe Coldfusion. In total, 31 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2026-48276?

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

When was CVE-2026-48276 published?

CVE-2026-48276 was published on 2026-06-30 and last updated on 2026-08-28.

CVE-2026-48276

CVE-2026-48276 is a critical-severity vulnerability in Adobe Coldfusion with a CVSS 3.x base score of 10.0. 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-434.

Key facts

Severity: Critical (CVSS 3.x base score 10.0)
EPSS exploit prediction: 1% (69th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-434
Affected product: Adobe Coldfusion
Published: 2026-06-30
Last modified: 2026-08-28

Description

ColdFusion versions 2025.9, 2023.20 and earlier are affected by an Unrestricted Upload of File with Dangerous Type vulnerability that could result in arbitrary code execution in the context of the current user. Exploitation of this issue does not require user interaction. Scope is changed.

Frequently asked questions

What is CVE-2026-48276?: ColdFusion versions 2025.9, 2023.20 and earlier are affected by an Unrestricted Upload of File with Dangerous Type vulnerability that could result in arbitrary code execution in the context of the current user. Exploitation of this issue does not require user interaction. Scope is changed.
How severe is CVE-2026-48276?: CVE-2026-48276 has a CVSS 3.x base score of 10.0, rated critical severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2026-48276 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (69th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2026-48276?: CVE-2026-48276 primarily affects Adobe Coldfusion. In total, 31 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2026-48276?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its critical severity, prioritise patching exposed systems.
When was CVE-2026-48276 published?: CVE-2026-48276 was published on 2026-06-30 and last updated on 2026-08-28.

References

https://helpx.adobe.com/security/products/coldfusion/apsb26-68.html

Affected products (31)

cpe:2.3:a:adobe:coldfusion:2023:-:*:*:*:*:*:*
cpe:2.3:a:adobe:coldfusion:2023:update1:*:*:*:*:*:*
cpe:2.3:a:adobe:coldfusion:2023:update10:*:*:*:*:*:*
cpe:2.3:a:adobe:coldfusion:2023:update11:*:*:*:*:*:*
cpe:2.3:a:adobe:coldfusion:2023:update12:*:*:*:*:*:*
cpe:2.3:a:adobe:coldfusion:2023:update13:*:*:*:*:*:*
cpe:2.3:a:adobe:coldfusion:2023:update14:*:*:*:*:*:*
cpe:2.3:a:adobe:coldfusion:2023:update15:*:*:*:*:*:*
cpe:2.3:a:adobe:coldfusion:2023:update16:*:*:*:*:*:*
cpe:2.3:a:adobe:coldfusion:2023:update17:*:*:*:*:*:*
cpe:2.3:a:adobe:coldfusion:2023:update18:*:*:*:*:*:*
cpe:2.3:a:adobe:coldfusion:2023:update19:*:*:*:*:*:*
cpe:2.3:a:adobe:coldfusion:2023:update2:*:*:*:*:*:*
cpe:2.3:a:adobe:coldfusion:2023:update20:*:*:*:*:*:*
cpe:2.3:a:adobe:coldfusion:2023:update3:*:*:*:*:*:*
cpe:2.3:a:adobe:coldfusion:2023:update4:*:*:*:*:*:*
cpe:2.3:a:adobe:coldfusion:2023:update5:*:*:*:*:*:*
cpe:2.3:a:adobe:coldfusion:2023:update6:*:*:*:*:*:*
cpe:2.3:a:adobe:coldfusion:2023:update7:*:*:*:*:*:*
cpe:2.3:a:adobe:coldfusion:2023:update8:*:*:*:*:*:*
cpe:2.3:a:adobe:coldfusion:2023:update9:*:*:*:*:*:*
cpe:2.3:a:adobe:coldfusion:2025:-:*:*:*:*:*:*
cpe:2.3:a:adobe:coldfusion:2025:update1:*:*:*:*:*:*
cpe:2.3:a:adobe:coldfusion:2025:update2:*:*:*:*:*:*
cpe:2.3:a:adobe:coldfusion:2025:update3:*:*:*:*:*:*
cpe:2.3:a:adobe:coldfusion:2025:update4:*:*:*:*:*:*
cpe:2.3:a:adobe:coldfusion:2025:update5:*:*:*:*:*:*
cpe:2.3:a:adobe:coldfusion:2025:update6:*:*:*:*:*:*
cpe:2.3:a:adobe:coldfusion:2025:update7:*:*:*:*:*:*
cpe:2.3:a:adobe:coldfusion:2025:update8:*:*:*:*:*:*
cpe:2.3:a:adobe:coldfusion:2025:update9:*:*:*:*:*:*

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Other CWE-434 (Unrestricted Upload of File with Dangerous Type) vulnerabilities

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