Description

An uncontrolled recursion in the MessagePack\BufferUnpacker::unpack() component of rybakit/msgpack v0.11.0 allows attackers to cause a Denial of Service (DoS) via a crafted input.

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References

Other References

https://github.com/diptendukar/security-advisories/blob/main/CVE-2026-106972.md https://github.com/rybakit/msgpack.php https://github.com/rybakit/msgpack.php/releases/tag/v0.11.0

Frequently Asked Questions

What is CVE-2026-106972? +

An uncontrolled recursion in the MessagePack\BufferUnpacker::unpack() component of rybakit/msgpack v0.11.0 allows attackers to cause a Denial of Service (DoS) via a crafted input.

How do I check if I'm vulnerable to CVE-2026-106972? +

You can use Secably's free Website Scanner to check your website for known vulnerabilities. For infrastructure scanning, use the Port Scanner to identify exposed services that may be affected. Check the vendor advisories linked above for specific patch and version information.