CVE-2024-48206
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 · uneditedA Deserialization of Untrusted Data vulnerability in chainer v7.8.1.post1 leads to execution of arbitrary code.
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 · moderate confidenceA deserialization vulnerability in Chainer v7.8.1.post1 allows attackers to execute arbitrary code by supplying malicious serialized data. This is likely due to unsafe deserialization of untrusted input (commonly via pickle, yaml, or similar mechanisms in Python), which can instantiate arbitrary objects leading to RCE.
Verify against the referenced sources before acting — the references below are authoritative for this CVE, this summary is not.
CVSS 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
- Low
- Privileges
- None
- User interaction
- None
- Scope
- Unchanged
- Confidentiality
- High
- Integrity
- High
- Availability
- High
CVSS:3.1/AV:N/AC:L/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 Chainer is installedRun 'pip show chainer' or 'pip list | grep chainer' to see if Chainer is present in the Python environmentAffected if Chainer is installed and the version is 7.8.1.post1
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Confirm the exact Chainer versionLook at the version field from the pip show output - verify it shows exactly 7.8.1.post1Affected if Version displayed is 7.8.1.post1 (no other versions listed as installed)
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Identify deserialization usage in codeSearch Python codebases for uses of pickle.load, yaml.load, or Chainer serialization functions that accept external input (such as serializers.load from chainer), particularly where data originates from user input, HTTP requests, files from untrusted sources, or network sourcesAffected if Code deserializes data from untrusted sources using pickle, yaml, or similar Python deserialization mechanisms in conjunction with Chainer
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Audit data flow to deserializationTrace the data path from where untrusted input enters the application (user uploads, API endpoints, external files) to any pickle/yaml/serializer calls - verify if there is any validation or allowlisting performed before deserializationAffected if Untrusted data flows directly to deserialization without sanitization or allowlist validation
A user is affected if they have Chainer v7.8.1.post1 installed AND their application deserializes data from untrusted sources using pickle, yaml, or similar Python deserialization mechanisms.
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 dataUpgrade to a patched version of chainer if available; otherwise, avoid deserializing data from untrusted sources and implement allowlist-based validation for any deserialization operations.
- Consultation4.0 h
- Implementation8.0 h
- Testing4.0 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 $5,120.
Scan for this in your stack
Free · runs locallyCheck whether your project pulls in CVE-2024-48206 — 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-2024-48206 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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- Version or environment caveats, and links to real fixes
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