PatchSiren cyber security CVE debrief
CVE-2026-67243 refirio CVE debrief
AI-assisted PatchSiren debrief based on the supplied source corpus. The CVE record was published on 2026-08-04T08:16:35.240Z and has not been modified since then. The freo2 provided by refirio contains an unrestricted upload of file with dangerous type vulnerability. A user with the highest-level administrative privileges for the product may upload an executable file and execute arbitrary OS commands. This vulnerability has a CVSS score of 8.6 and is classified as HIGH severity. Administrators and users of freo2 provided by refirio should be aware of this vulnerability and take steps to patch or mitigate it. Additionally, security teams and vulnerability managers should prioritize this vulnerability due to its high severity and potential impact.
- Vendor
- refirio
- Product
- freo2
- CVSS
- HIGH 8.6
- CISA KEV
- Not listed in stored evidence
- Original CVE published
- 2026-08-04
- Original CVE updated
- 2026-08-28
- Advisory published
- 2026-08-04
- Advisory updated
- 2026-08-28
Who should care
Administrators and users of freo2 provided by refirio should be aware of this vulnerability and take steps to patch or mitigate it. Additionally, security teams and vulnerability managers should prioritize this vulnerability due to its high severity and potential impact.
Technical summary
The freo2 provided by refirio contains an unrestricted upload of file with dangerous type vulnerability. A user with the highest-level administrative privileges for the product may upload an executable file and execute arbitrary OS commands. This vulnerability has a CVSS score of 8.6 and is classified as HIGH severity.
Defensive priority
Administrators should prioritize patching freo2 provided by refirio due to the HIGH CVSS score of 8.6 and the potential for arbitrary OS command execution.
Recommended defensive actions
- Patch freo2 provided by refirio to prevent arbitrary OS command execution
- Restrict file uploads to only allow safe file types
- Monitor for suspicious activity related to freo2
- Limit administrative privileges to only those who need them
- Regularly review and update software dependencies
Evidence notes
The CVE-2026-67243 record indicates an unrestricted upload of file with dangerous type vulnerability in freo2 provided by refirio. A user with the highest-level administrative privileges may upload an executable file and execute arbitrary OS commands. Evidence is based on official CVE and NVD records, as well as references from JVN.
Sources and references
Verified primary and authoritative sources
-
CVE-2026-67243 CVE Program record
Publisher, destination, and source semantics verified
URL: https://www.cve.org/CVERecord?id=CVE-2026-67243
CVE Program - Official CVE Program record with source-provided CVE metadata.
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CVE-2026-67243 NVD vulnerability detail
Publisher, destination, and source semantics verified
URL: https://nvd.nist.gov/vuln/detail/CVE-2026-67243
NIST National Vulnerability Database - Official NIST NVD detail page and source-specific vulnerability assessment.
Supplemental references
-
Source reference
Unverified legacy reference
URL: https://github.com/refirio/freo2/commits/main/
-
Source reference
Unverified legacy reference
URL: https://jvn.jp/en/jp/JVN52865575/
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.