CVE-2016-10688
Official description Straight from the sourceThe vendor's or NVD's own wording, published unedited. Authoritative, but often terse — it says what broke, rarely what to do.
NVD · uneditedHaxe 3 : The Cross-Platform Toolkit (a fork from David Mouton's damoebius/haxe-npm) haxe3 downloads 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 resources with an attacker controlled copy if the attacker is on the network or positioned in between the user and the remote server.
Technical summary Written by usOur analysis, written from the advisory, the CVSS vector and the affected-version data. It adds context the advisory leaves out, and never invents facts that are not in the source.
dbcve analysis · high confidenceThe haxe3 npm package downloads resources over unencrypted HTTP instead of HTTPS, allowing a network attacker to perform MITM attacks and potentially inject malicious code by replacing the requested resources with attacker-controlled content, leading to remote code execution on victim systems.
Verify against the referenced sources before acting — the references below are authoritative for this CVE, this summary is not.
Affected products & versions What the vendor confirmedThe version ranges the vendor confirmed as vulnerable. If your version sits inside a range here, treat yourself as exposed until you have upgraded.
NVD · CPE data<= 3.4.7CVSS breakdown How the score is builtThe industry scoring standard. It rates how the flaw is reached, what it takes to exploit, and what an attacker gains — the score is derived from those, not the other way round.
From the vector- Attack vector
- Network
- Complexity
- High
- Privileges
- None
- User interaction
- None
- Scope
- Unchanged
- Confidentiality
- High
- Integrity
- High
- Availability
- High
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H
Am I affected? How to checkSteps we derive from the advisory and the affected-version data, so you can decide whether this CVE reaches your setup. They are a guide, not a scan — your own configuration is the authority.
dbcve checksWork through these to decide whether this CVE applies to you.
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Check if haxe3 npm package is installedRun 'npm list -g haxe3' or 'npm list haxe3' in your project directory to see if the package exists in your environmentAffected if The package is installed and present in the npm list output
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Determine installed version of haxe3Run 'npm list haxe3 version' or check package.json for the haxe3 version entryAffected if The installed version is 3.4.7 or lower (any version <= 3.4.7)
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Inspect package scripts and configuration for HTTP URLsExamine the package's package.json file (located in node_modules/haxe3/) and look for preinstall, postinstall, or other script entries that may trigger external downloadsAffected if Any script or configuration references use 'http://' instead of 'https://' URLs for downloading resources
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Monitor network connections during package usageUse a network monitoring tool (such as Wireshark or tcpdump) to observe if the haxe3 package or haxe compiler makes outbound connections over plain HTTP when downloading resources, libraries, or dependenciesAffected if The package or tool performs HTTP requests (port 80) to retrieve remote resources instead of HTTPS (port 443)
You are affected if the haxe3 npm package is installed at version 3.4.7 or lower and it or the haxe tool downloads resources over unencrypted HTTP connections.
Generated from the published advisory. Verify against your own configuration.
Remediation Closing itWhat it takes to close this. Where a vendor fix exists we point at it; where none exists we say so plainly, and can build one. Effort estimates are scoped from the advisory, not from your codebase.
From vendor dataReplace all HTTP URLs with HTTPS and implement integrity verification (e.g., checksums, subresource integrity) for downloaded resources to prevent tampering.
- Consultation2.0 h
- Implementation3.0 h
- Testing3.0 h
- Review / QA2.0 h
An estimate, not a bill — we confirm scope with you before any work starts. Need it this week? Rush from $2,800.
Scan for this in your stack
Free · runs locallyCheck whether your project pulls in CVE-2016-10688 — or any other known-vulnerable package — straight from your lock files. Free and open source; it runs locally and uploads nothing.
References Go to the primary sourcePrimary sources — vendor advisories, patches and trackers. Where our summary and a reference disagree, the reference wins.
Primary sourcesPractitioner notes
ContributedPeer-ranked notes from engineers who’ve handled CVE-2016-10688 in production — separate from our analysis above.
The advisory tells you what broke. It rarely tells you what actually worked. If you’ve dealt with this one, that detail is what the next engineer is searching for.
- The version that genuinely resolved it — not the one the vendor claimed
- A config change or rule that shut the vector down
- A gotcha in the upgrade path that cost you an afternoon
No notes yet
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- Verified mitigations, workarounds, and config changes
- Version or environment caveats, and links to real fixes
- No weaponised exploit code, or anything meant to cause harm
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