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PatchSiren cyber security CVE debrief

CVE-2025-67397 Passy CVE debrief

A critical vulnerability in Passy v.1.6.3 allows remote authenticated attackers to execute arbitrary commands via crafted HTTP requests. Defenders should assess exposure, prioritize remediation, and verify inventory for potential compromise, reviewing compensating controls and monitoring for exposed systems while remediation is scheduled and verified. The CVE record and NVD detail page provide information on the vulnerability, including its CVSS score of 9.1 and vector CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:H. Defenders of Passy v.1.6.3 instances, security teams, and IT administrators should assess exposure and prioritize remediation, considering potential remote code execution

Vendor
Passy
Product
Passy v.1.6.3
CVSS
CRITICAL 9.1
CISA KEV
Not listed in stored evidence
Original CVE published
2026-01-05
Original CVE updated
2026-11-04
Advisory published
2026-01-05
Advisory updated
2026-11-04

Who should care

Defenders of Passy v.1.6.3 instances, security teams, and IT administrators should assess exposure and prioritize remediation, considering potential remote code execution and possible system compromise via crafted HTTP requests. They should also verify inventory for potential compromise and review compensating controls for exposed systems while remediation is scheduled and verified.

Why it matters

CVE-2025-67397 is a critical vulnerability in Passy v.1.6.3 that allows remote authenticated attackers to execute arbitrary commands. Defenders should assess exposure, prioritize remediation, and verify inventory for potential compromise.

  • Potential remote code execution
  • Possible system compromise via crafted HTTP requests
  • Need for immediate remediation and verification

Technical summary

The vulnerability in Passy v.1.6.3 allows remote authenticated attackers to execute arbitrary commands via crafted HTTP requests, with a CVSS score of 9.1 and vector CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:H. This critical vulnerability requires immediate attention from defenders of Passy v.1.6.3 instances, security teams, and IT administrators to assess exposure and prioritize remediation.

Defensive priority

High

Recommended defensive actions

  • Assess exposure of Passy v.1.6.3 instances to potential remote authenticated attacks
  • Prioritize remediation of vulnerable Passy instances
  • Verify inventory for potential compromise

Evidence notes

The CVE record and NVD detail page provide information on the vulnerability, including its CVSS score of 9.1 and vector CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:H.

Sources and references

Verified primary and authoritative sources

  • CVE-2025-67397 CVE Program record

    Publisher, destination, and source semantics verified

    URL: https://www.cve.org/CVERecord?id=CVE-2025-67397

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

  • CVE-2025-67397 NVD vulnerability detail

    Publisher, destination, and source semantics verified

    URL: https://nvd.nist.gov/vuln/detail/CVE-2025-67397

    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.