CVE-2026-6620 | SonicCloudOrg sonic-server up to 2.0.0 File Upload Endpoint FileTool.java upload Type path traversal

VDB-358255 · SUBMIT #792336 · CVE-2026-6620 SONICCLOUDORG SONIC-SERVER UP TO 2.0.0 FILE UPLOAD ENDPOINT FILETOOL.JAVA UPLOAD TYPE PATH TRAVERSAL HISTORYDIFFRELATEJSONXMLCTI CVSS Meta Temp Score Current Exploit Price (≈) CTI Interest Score 5.7 $0-$5k 1.81+ Summaryinfo A vulnerability identified as critical has been detected in SonicCloudOrg sonic-server up to 2.0.0. The impacted element is the function Upload of the file FileTool.java of the component File Upload Endpoint. This manipulation of the argument Type causes path traversal. This vulnerability is registered as CVE-2026-6620. Remote exploitation of the attack is possible. Furthermore, an exploit is available. The vendor was contacted early about this disclosure but did not respond in any way. Detailsinfo A vulnerability classified as critical was found in SonicCloudOrg sonic-server up to 2.0.0. Affected by this vulnerability is the function upload of the file FileTool.java of the component File Upload Endpoint. The manipulation of the argument type with an unknown input leads to a path traversal vulnerability. The CWE definition for the vulnerability is CWE-22. The product uses external input to construct a pathname that is intended to identify a file or directory that is located underneath a restricted parent directory, but the product does not properly neutralize special elements within the pathname that can cause the pathname to resolve to a location that is outside of the restricted directory. As an impact it is known to affect confidentiality, integrity, and availability. It is possible to read the advisory at github.com. This vulnerability is known as CVE-2026-6620. The exploitation appears to be easy. The attack can be launched remotely. Technical details and also a public exploit are known. The attack technique deployed by this issue is T1006 according to MITRE ATT&CK. It is possible to download the exploit at github.com. It is declared as proof-of-concept. The vendor was contacted early about this disclosure but did not respond in any way. There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product. Productinfo Type Cloud Software Vendor SonicCloudOrg Name sonic-server Version 2.0 CPE 2.3info 🔒 CPE 2.2info 🔒 CVSSv4info VulDB Vector: 🔒 VulDB Reliability: 🔍 CVSSv3info VulDB Meta Base Score: 6.3 VulDB Meta Temp Score: 5.7 VulDB Base Score: 6.3 VulDB Temp Score: 5.7 VulDB Vector: 🔒 VulDB Reliability: 🔍 CVSSv2info Vector Complexity Authentication Confidentiality Integrity Availability Unlock Unlock Unlock Unlock Unlock Unlock Unlock Unlock Unlock Unlock Unlock Unlock Unlock Unlock Unlock Unlock Unlock Unlock VulDB Base Score: 🔒 VulDB Temp Score: 🔒 VulDB Reliability: 🔍 Exploitinginfo Class: Path traversal CWE: CWE-22 CAPEC: 🔒 ATT&CK: 🔒 Physical: No Local: No Remote: Yes Availability: 🔒 Access: Public Status: Proof-of-Concept Download: 🔒 Price Prediction: 🔍 Current Price Estimation: 🔒 0-Day Unlock Unlock Unlock Unlock Today Unlock Unlock Unlock Unlock Threat Intelligenceinfo Interest: 🔍 Active Actors: 🔍 Active APT Groups: 🔍 Countermeasuresinfo Recommended: no mitigation known Status: 🔍 0-Day Time: 🔒 Timelineinfo 04/19/2026 Advisory disclosed 04/19/2026 +0 days VulDB entry created 04/19/2026 +0 days VulDB entry last update Sourcesinfo Advisory: github.com Status: Not defined CVE: CVE-2026-6620 (🔒) GCVE (CVE): GCVE-0-2026-6620 GCVE (VulDB): GCVE-100-358255 scip Labs: https://www.scip.ch/en/?labs.20161013 Entryinfo Created: 04/19/2026 18:28 Changes: 04/19/2026 18:28 (59) Complete: 🔍 Submitter: cccccccti Cache ID: 99:DCF:101 Submitinfo Accepted Submit #792336: SonicCloudOrg sonic-server 2.0.0 Injection (by cccccccti) Discussion No comments yet. Languages: en. Please log in to comment. ◂ PreviousOverviewNext ▸