EUVD-2026-66175
GHSA-hjv5-jxg5-79pp
Severity by source
AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Unauthenticated network-reachable deserialization endpoint with no user interaction (AV:N/AC:L/PR:N/UI:N) yielding arbitrary code execution, so C/I/A all High.
Primary rating from Vendor (mitre).
CVSS VectorVendor: mitre
Lifecycle Timeline
4DescriptionCVE.org
An issue in Beijing Tongtech Co., Ltd tongweb v.7.0.24 in the Spring HttpInovkerServiceExporter component allows a remote attacker to execute arbitrary code via a crafted request to the console/heimdall endpoint
AnalysisAI
Remote code execution in Beijing Tongtech TongWeb 7.0.24 lets attackers run arbitrary code by sending a crafted serialized payload to the console/heimdall endpoint, which is backed by a Spring HttpInvokerServiceExporter that deserializes untrusted input. The CVSS 3.1 vector (AV:N/AC:L/PR:N/UI:N) indicates network-reachable, unauthenticated exploitation with high impact to confidentiality, integrity, and availability. …
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Attack ChainAIDerived
Hypothetical attack flow derived from CVE metadata
Vulnerability AssessmentAI
| Exploitation | Exploitation requires network reachability to the TongWeb 7.0.24 console/heimdall endpoint backed by the Spring HttpInvokerServiceExporter component; the crafted serialized-object request is the trigger. … Additional conditions and limiting factors are described in the full assessment. |
| Risk Assessment | The signals are largely consistent: the CVSS vector (AV:N/AC:L/PR:N/UI:N, C:H/I:H/A:H = 9.8) describes an unauthenticated, low-complexity network RCE, and the Java/Deserialization tags plus two public gists indicate that working exploit material is available, so this is a genuine, high-priority issue for any organization running TongWeb 7.0.24 with the heimdall console reachable. … Full risk analysis with EPSS, KEV, and SSVC signal comparison available after sign-in. |
| Exploit Scenario | Full exploit scenario with step-by-step reproduction available after sign-in. |
| Remediation | No vendor-released patched version is identified in the available data, so an exact fix version cannot be cited - contact Beijing Tongtech for a fixed TongWeb build and monitor the NVD entry (https://nvd.nist.gov/vuln/detail/CVE-2026-51368). … Detailed patch versions, workarounds, and compensating controls in full report. |
Recommended ActionAI
Within 24 hours: Conduct a complete inventory of systems running Beijing Tongtech TongWeb 7.0.24 and map network accessibility to the console/heimdall endpoint. …
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External POC / Exploit Code
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