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CVE Record

CVE-2016-10587: wasdk is a toolkit for creating WebAssembly modules.

wasdk is a toolkit for creating WebAssembly modules. wasdk downloads binary resources over HTTP, which leaves it vulnerable to MITM attacks. It may be possible to cause remote code execution (RCE) by swapping out the requested binary with an attacker controlled binary if the attacker is on the network or positioned in between the user and the remote server.

UnknownCVSS not scoredNot KEV-listedUpdated
Glexia's TakeAutomated analysismoderate

Security readout for executives and security teams

Plain-English summary

CVE-2016-10587 affects the wasdk Node module, a toolkit for creating WebAssembly modules. It downloads binary resources over plain HTTP, so a network-positioned attacker could replace the binary and potentially run attacker-controlled code. The source bundle lists all versions as affected, but does not provide a CVSS score, patch, or active exploitation evidence.

Executive priority

Handle as a targeted supply-chain and build-system risk, not a broad internet-facing emergency. Prioritize confirmation of use, especially in CI and developer environments, because successful interception could lead to code execution.

Technical view

The issue is CWE-311: missing encryption for sensitive communication. wasdk retrieves binary resources over HTTP, allowing man-in-the-middle substitution of the downloaded binary. If a user or build system consumes the replaced binary, remote code execution may be possible. The bundle attributes the affected product to HackerOne's wasdk node module and lists all versions.

Likely exposure

Exposure is likely limited to environments that install or use the wasdk Node module, especially developer workstations or CI/build systems. Risk increases when installs occur over untrusted networks or through paths where HTTP downloads can be intercepted.

Exploitation context

The bundle does not show KEV listing or active exploitation. Exploitation requires an attacker positioned on the network path between the user and the remote server, then successful substitution of the requested binary resource.

Researcher notes

Evidence is limited to the CVE description and Node Security advisory reference. No CVSS vector, fixed version, exploit proof, or KEV entry is provided in the bundle. The key research focus is whether wasdk remains present and whether HTTP binary retrieval still occurs in current workflows.

Mitigation direction

  • Inventory applications, CI jobs, and developer tooling for the wasdk Node module.
  • Avoid using wasdk in sensitive build environments until vendor guidance is confirmed.
  • Check the Node Security advisory and vendor sources for any fixed release or replacement guidance.
  • Use trusted network paths and controlled dependency mirrors for build-time downloads.
  • Treat affected build hosts as higher risk if wasdk was used on untrusted networks.

Validation and detection

  • Review dependency manifests and lockfiles for direct or transitive wasdk usage.
  • Identify CI pipelines or developer workflows that install or execute wasdk.
  • Confirm whether wasdk downloads binary resources during installation or build steps.
  • Check whether any cited source names a patched version before approving continued use.
  • Document compensating controls if the package cannot be removed immediately.
Prepared
Confidence
medium
Sources
3

Generated from the cited source records. This long-tail analysis has not been individually reviewed by a named human.

Potential ATT&CK relevance

Conservative CVE-to-ATT&CK context

These mappings and lookup hints may be relevant to the vulnerability behavior, CWE, affected product, or exposure path. Glexia-inferred context is not an official MITRE, ATT&CK, CWE, or CVE Program mapping.

ATT&CK lookup starting points

Use these exact CWE pages and searches to review the Glexia ATT&CK library from this CVE's weakness and description context.

cwe · low confidence lookup

CWE-311: Exact CWE lookup

Use the exact CWE identifier as the starting point before reviewing related ATT&CK behavior. Open the exact CWE lookup page first, then review the ATT&CK searches from that MITRE weakness context. This is a Glexia lookup hint, not an official ATT&CK mapping.

Open ATT&CK lookup
description · low confidence lookup

Execution behavior lookup

The CVE wording references code or command execution, so execution technique review may help defensive triage. This is a Glexia inferred lookup path, not an official MITRE, ATT&CK, or CVE Program mapping.

Open ATT&CK lookup
cve · low confidence lookup

CVE-2016-10587 mapping review

Open the CVE-to-ATT&CK bridge for reviewed, inferred, or future official mappings tied to this CVE.

Open ATT&CK lookup
Vulnerability profileCVE Program record
Severity
Unknown
CVSS
Not scored
Known Exploited
No
Published
Official CVE source material

CNA and ADP enrichment extracted from CVE v5

These fields come from the CVE record and ADP containers, not from Glexia's Take. They preserve time-varying source decisions such as CISA SSVC, KEV status, CVSS metrics, and provider references.

0CVSS vectors
0Timeline events
0ADP providers
2Source links

CVSS and timeline data

No CVSS vectors or timeline events were available in the normalized CVE source material.

Source materials

Affected products

Products and packages named in the record

VendorProductVersion / packageStatus
HackerOnewasdk node moduleAll versionsListed
Weakness

CWE details

CWE links open Glexia weakness intelligence pages with official CWE context, developer remediation guidance, and related CVE mappings.

CWE-311 · source CWE mapping

Missing Encryption of Sensitive Data

Missing Encryption of Sensitive Data represents a recurring weakness pattern that can create exploitable paths when design, validation, or implementation controls are missing.