CVE-2026-92716

CRITICAL 9.6

Shuffle through 2.2.1 API Key Reset Cross-Tenant Privilege Escalation

CVSS Score

9.6

EPSS Score

0.0%

EPSS Percentile

0th

Shuffle through 2.2.1 contains a cross-tenant privilege escalation vulnerability in the HandleApiGeneration endpoint that allows administrators to reset and read API keys of non-administrator users in other organizations. Attackers with admin privileges in one organization can supply arbitrary user IDs to generate valid API keys for users in different organizations, enabling account takeover across tenant boundaries.

CWE	CWE-639
Vendor	shuffle
Product	shuffle
Published	Sep 16, 2026

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CVSS v3 Breakdown

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:N

Attack Vector

Network

Attack Complexity

Low

Privileges Required

Low

User Interaction

None

Scope

Changed

Confidentiality

High

Integrity

High

Availability

None

Affected Versions

Shuffle / Shuffle

0 ≤ 2.2.1

References

NVD ↗ CVE.org ↗ EPSS Data ↗

github.com: https://github.com/geo-chen/oss/blob/main/shuffle.md github.com: https://github.com/Shuffle/Shuffle github.com: https://github.com/Shuffle/shuffle-shared/blob/v1.2.50/shared.go#L9888-L9912 github.com: https://github.com/Shuffle/shuffle-shared/commit/c1b582e91b429bc7d5ad02e6c22f98234ec67615 vulncheck.com: https://www.vulncheck.com/advisories/shuffle-through-2.2.1-api-key-reset-cross-tenant-privilege-escalation

Credits

🔍 George Chen