How severe is CVE-2026-71386?

CVE-2026-71386 has a CVSS 3.x base score of 8.8, rated high severity. It is exploitable over an adjacent network with low attack complexity, requires no privileges and user interaction. Impact on confidentiality is high, integrity high, and availability high.

Is CVE-2026-71386 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (22nd percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2026-71386?

CVE-2026-71386 primarily affects Adobe Coldfusion. In total, 35 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2026-71386?

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.

When was CVE-2026-71386 published?

CVE-2026-71386 was published on 2026-08-11 and last updated on 2026-08-20.

CVE-2026-71386

CVE-2026-71386 is a high-severity vulnerability in Adobe Coldfusion with a CVSS 3.x base score of 8.8. 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-79.

Key facts

Severity: High (CVSS 3.x base score 8.8)
EPSS exploit prediction: 0% (22nd percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-79
Affected product: Adobe Coldfusion
Published: 2026-08-11
Last modified: 2026-08-20

Description

is affected by a Cross-site Scripting (XSS) vulnerability that could result in arbitrary code execution in the context of the current user. An attacker could exploit this vulnerability to execute arbitrary code. The vulnerable component is restricted to an administrative network zone by default. Exploitation of this issue requires user interaction in that a victim must open a malicious file. Scope is changed.

Frequently asked questions

What is CVE-2026-71386?: is affected by a Cross-site Scripting (XSS) vulnerability that could result in arbitrary code execution in the context of the current user. An attacker could exploit this vulnerability to execute arbitrary code. The vulnerable component is restricted to an administrative network zone by default. Exploitation of this issue requires user interaction in that a victim must open a malicious file. Scope is changed.
How severe is CVE-2026-71386?: CVE-2026-71386 has a CVSS 3.x base score of 8.8, rated high severity. It is exploitable over an adjacent network with low attack complexity, requires no privileges and user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2026-71386 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (22nd percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2026-71386?: CVE-2026-71386 primarily affects Adobe Coldfusion. In total, 35 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2026-71386?: 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.
When was CVE-2026-71386 published?: CVE-2026-71386 was published on 2026-08-11 and last updated on 2026-08-20.

References

https://helpx.adobe.com/security/products/coldfusion/apsb26-90.html

Affected products (35)

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:update21:*:*:*:*:*:*
cpe:2.3:a:adobe:coldfusion:2023:update22:*:*:*:*:*:*
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:update10:*:*:*:*:*:*
cpe:2.3:a:adobe:coldfusion:2025:update11:*:*:*:*:*:*
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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