CVE-2026-106972

CVSS 7.5 (high) · published 2026-10-28

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.

Weakness: CWE-674

Source: NVD CVE-2026-106972

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
• https://github.com/diptendukar/security-advisories/blob/main/CVE-2026-106972.md

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