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CVE-2026-71386 Adobe CVE debrief

AI-assisted PatchSiren debrief based on the supplied source corpus. The CVE record was published on 2026-08-11T17:19:13.723Z and has not been modified since then. The NVD entry is currently Analyzed. CVE-2026-71386 is a Cross-site Scripting (XSS) vulnerability in Adobe Coldfusion that could result in arbitrary code execution in the context of the current user. The vulnerability has a CVSS score of 8.8 and requires user interaction. The vulnerable component is restricted to an administrative network zone by default. Affected versions include Adobe Coldfusion 2023 and 2025, with multiple updates vulnerable. To address this vulnerability, it is essential to apply patches or updates provided by Adobe. Additionally, restricting access to the administrative network zone and monitoring for potentially malicious files can help minimize the risk. It is also recommended to conduct regular inventory checks to ensure all Coldfusion instances are up-to-date and consider implementing compensating controls, such as web application firewalls, to detect and prevent exploitation.

Vendor
Adobe
Product
ColdFusion 2025
CVSS
HIGH 8.8
CISA KEV
Not listed in stored evidence
Original CVE published
2026-08-11
Original CVE updated
2026-08-28
Advisory published
2026-08-11
Advisory updated
2026-08-28

Who should care

Administrators and users of Adobe Coldfusion installations, particularly those in administrative network zones, should be aware of this vulnerability and take steps to patch or mitigate it.

Technical summary

CVE-2026-71386 is a Cross-site Scripting (XSS) vulnerability in Adobe Coldfusion that could result in arbitrary code execution in the context of the current user. The vulnerability has a CVSS score of 8.8 and requires user interaction. The vulnerable component is restricted to an administrative network zone by default. Affected versions include Adobe Coldfusion 2023 and 2025, with multiple updates vulnerable.

Defensive priority

Administrators of Adobe Coldfusion installations should prioritize patching, as this vulnerability allows for arbitrary code execution in the context of the current user, with a CVSS score of 8.8.

Recommended defensive actions

  • Apply patches or updates provided by Adobe to address the XSS vulnerability in Coldfusion.
  • Restrict access to the administrative network zone to minimize potential impact.
  • Monitor for and limit user interaction with potentially malicious files.
  • Conduct regular inventory checks to ensure all Coldfusion instances are up-to-date.
  • Consider implementing compensating controls, such as web application firewalls, to detect and prevent exploitation.

Evidence notes

The CVE-2026-71386 record indicates a Cross-site Scripting (XSS) vulnerability in Adobe Coldfusion, allowing for arbitrary code execution. The vulnerability requires user interaction and is restricted to an administrative network zone by default. Affected versions include Adobe Coldfusion 2023 and 2025, with multiple updates vulnerable. Evidence is based on official CVE and NVD records.

Sources and references

Verified primary and authoritative sources

  • CVE-2026-71386 CVE Program record

    Publisher, destination, and source semantics verified

    URL: https://www.cve.org/CVERecord?id=CVE-2026-71386

    CVE Program - Official CVE Program record with source-provided CVE metadata.

  • CVE-2026-71386 NVD vulnerability detail

    Publisher, destination, and source semantics verified

    URL: https://nvd.nist.gov/vuln/detail/CVE-2026-71386

    NIST National Vulnerability Database - Official NIST NVD detail page and source-specific vulnerability assessment.

Supplemental references

Methodology and review provenance

AI-assisted synthesis based on stored public vulnerability evidence. System validation, approval state, and publication status do not by themselves establish human review of this revision. PatchSiren helps prioritize defensive review and does not prove exposure or remediation on any system.