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sonic-agent EUVDEUVD-2026-43219

| CVE-2026-15497 MEDIUM
Code Injection (CWE-94)
2026-07-12 VulDB GHSA-frcw-9pc7-c85c
Code Injection Java RCE Sonic Agent
5.5
CVSS 4.0 · Vendor: VulDB
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Severity by source

Vendor (VulDB) PRIMARY
5.5 MEDIUM
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:P/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
vuln.today AI
7.3 HIGH

Network-reachable unauthenticated endpoint (PR:N, AV:N); Low impact across CIA consistent with CVSS 4.0 VC:L/VI:L/VA:L; no scope change evident.

3.1 AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L
4.0 AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N

Primary rating from Vendor (VulDB).

CVSS VectorVendor: VulDB

CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:P/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
Attack Vector
Network
Attack Complexity
Low
Privileges Required
None
User Interaction
None
Scope
X

Lifecycle Timeline

3
CVSS changed
Jul 12, 2026 - 12:22 NVD
6.9 (MEDIUM) 5.5 (MEDIUM)
Analysis Generated
Jul 12, 2026 - 12:01 vuln.today
CVE Published
Jul 12, 2026 - 11:15 cve.org
MEDIUM 6.9

DescriptionCVE.org

A vulnerability was determined in SonicCloudOrg sonic-agent up to 2.7.2. This affects an unknown function of the file sonic-server-controller/src/main/java/org/cloud/sonic/controller/controller/ExchangeController.java of the component JWT Authentication Filter. This manipulation causes code injection. The attack may be initiated remotely. The exploit has been publicly disclosed and may be utilized. The vendor was contacted early about this disclosure but did not respond in any way. This vulnerability only affects products that are no longer supported by the maintainer.

AnalysisAI

Code injection in SonicCloudOrg sonic-agent through version 2.7.2 allows remote unauthenticated attackers to inject and execute arbitrary code via the ExchangeController endpoint, which bypasses or is excluded from the JWT Authentication Filter. The vulnerability carries a public proof-of-concept exploit named 'Unauth_ExchangeSend', confirming the endpoint is reachable without authentication. …

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Attack ChainAIDerived

Hypothetical attack flow derived from CVE metadata

Access
Identify network-exposed sonic-server-controller
Delivery
Send unauthenticated HTTP request to ExchangeController
Exploit
Bypass JWT authentication filter
Execution
Inject malicious code payload
Impact
Execute arbitrary code on server
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Vulnerability AssessmentAI

Exploitation The ExchangeController endpoint must be network-reachable - exploitation requires no authentication, no special configuration, and no user interaction, per the CVSS 4.0 vector AV:N/AC:L/AT:N/PR:N/UI:N. … Additional conditions and limiting factors are described in the full assessment.
Risk Assessment The CVSS 4.0 base score of 6.9 with VC:L/VI:L/VA:L presents a notable tension with the 'RCE' and 'Code Injection' tags - genuine remote code execution in a Java service would typically yield High confidentiality and integrity impacts. … Full risk analysis with EPSS, KEV, and SSVC signal comparison available after sign-in.
Exploit Scenario An unauthenticated remote attacker sends a crafted HTTP request to the ExchangeController endpoint of a network-accessible sonic-server-controller instance, supplying a malicious payload that bypasses or avoids the JWT Authentication Filter. The payload is processed by an unvalidated code execution path (CWE-94), resulting in code injection on the server. …
Remediation No vendor-released patch is available and none is anticipated - sonic-agent is end-of-life and the maintainer did not respond to disclosure. … Detailed patch versions, workarounds, and compensating controls in full report.
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EUVD-2026-43219 vulnerability details – vuln.today
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