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PatchSiren cyber security CVE debrief

CVE-2026-6620 SonicCloudOrg CVE debrief

A vulnerability was found in SonicCloudOrg sonic-server up to 2.0.0. The affected element is the function Upload of the file FileTool.java of the component File Upload Endpoint. The manipulation of the argument Type results in path traversal. The attack may be launched remotely. The exploit has been made public and could be used. Defenders should assess exposure and prioritize verification and remediation based on the CVE record and NVD entry details. The vulnerability allows for remote path traversal, potentially impacting data integrity and confidentiality.

Vendor
SonicCloudOrg
Product
sonic-server
CVSS
LOW 2.1
CISA KEV
Not listed in stored evidence
Original CVE published
2026-04-20
Original CVE updated
2026-10-26
Advisory published
2026-04-20
Advisory updated
2026-10-26

Who should care

Defenders responsible for SonicCloudOrg sonic-server deployments should assess exposure and prioritize verification and remediation. Security teams and vulnerability management teams should review the CVE record and NVD entry details to understand the vulnerability and its potential impact. Operators and administrators of affected systems should verify the affected component and update the affected software to prevent exploitation.

Why it matters

The CVE-2026-6620 vulnerability allows for remote path traversal in SonicCloudOrg sonic-server up to 2.0.0, and defenders should prioritize verifying the affected component, assessing exposure, and updating the affected software to prevent exploitation.

  • Verify and update affected software to prevent exploitation
  • Monitor for potential exploitation attempts
  • Assess exposure and prioritize remediation

Technical summary

The vulnerability allows for remote path traversal in the File Upload Endpoint of SonicCloudOrg sonic-server up to 2.0.0, potentially impacting data integrity and confidentiality. The affected element is the function Upload of the file FileTool.java. The manipulation of the argument Type results in path traversal. Defenders should prioritize verifying the affected component and assessing exposure to prevent exploitation. The exploit has been made public, and defenders should review and update the affected software.

Defensive priority

Defenders should prioritize verifying the affected component and assessing exposure, as the vulnerability allows for remote path traversal.

Recommended defensive actions

  • Verify the affected component and assess exposure
  • Review and update the affected software to prevent exploitation
  • Monitor for potential exploitation attempts
  • Implement compensating controls for exposed systems
  • Conduct asset inventory to identify potentially affected systems
  • Review change management processes for timely patching
  • Track exceptions and retest remediated assets

Evidence notes

The CVE record and NVD entry provide details on the vulnerability, including its description, CVSS score, and affected component. The CVE-2026-6620 vulnerability allows for remote path traversal in SonicCloudOrg sonic-server up to 2.0.0. Defenders should verify the affected component, assess exposure, and update the affected software to prevent exploitation. The exploit has been made public, and defenders should prioritize verification and remediation efforts.

Sources and references

Verified primary and authoritative sources

  • CVE-2026-6620 CVE Program record

    Publisher, destination, and source semantics verified

    URL: https://www.cve.org/CVERecord?id=CVE-2026-6620

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

  • CVE-2026-6620 NVD vulnerability detail

    Publisher, destination, and source semantics verified

    URL: https://nvd.nist.gov/vuln/detail/CVE-2026-6620

    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.