CVE-2026-106972 Uncontrolled recursion in MessagePack\BufferUnpacker::unpack() in rybakit/msgpack versions prior to 0.11.0 allows attackers to cause a denia
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Check this codebase for CVE-2026-106972 and fix it if it is affected.
What it is: CVE-2026-106972 is a vulnerability in n/a, published on 28 Oct 2026.
Exploitation: There is no known exploitation of CVE-2026-106972 in the wild and no public exploit code.
Affected product: n/a. No package-level version data is available, so check the vendor advisory linked from the reference page.
Task:
1. Search the dependency manifests and lockfiles (for example package.json, package-lock.json, requirements.txt, poetry.lock, uv.lock, pom.xml, build.gradle, go.mod, Cargo.lock, Gemfile.lock) and any Dockerfiles for the affected packages, including transitive dependencies.
2. If an affected version is in use, upgrade it to the fixed version for its release line with the project's package manager, so the lockfile is regenerated. Prefer the smallest upgrade that fixes it.
3. If there is no fix, or the upgrade would break the build, do not guess: explain the risk and the safest workaround instead.
4. Run the tests and summarise what changed and why.
5. If nothing in the project is affected, say so and change nothing.
Reference: https://insights.sbomify.com/CVE-2026-106972/ (Markdown: https://insights.sbomify.com/CVE-2026-106972/index.md)
- Exploited in the wild
- Not known
- Fix
- None listed
What is CVE-2026-106972?
CVE-2026-106972 is a vulnerability in n/a, published on 28 Oct 2026.
Official description
Uncontrolled recursion in MessagePack\BufferUnpacker::unpack() in rybakit/msgpack versions prior to 0.11.0 allows attackers to cause a denial of service through memory exhaustion when an application decodes deeply nested, attacker-controlled MessagePack input.
Which versions are affected by CVE-2026-106972?
How do I fix CVE-2026-106972?
No fix has been published for CVE-2026-106972 yet. Limit exposure of the affected software until one is available.
Is CVE-2026-106972 being exploited?
There is no known exploitation of CVE-2026-106972 in the wild and no public exploit code.
Sources
Also known as GHSA-hw75-hpgq-ph8x.