CVE-2026-77170 — MEDIUM (4.3)

Vulnerability Description

The Deck config API allows authenticated users to set board-scoped configuration keys for arbitrary board IDs without validating whether the user owns or has permission to manage the referenced board.

CVSS Score

4.3

MEDIUM

CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

LOW

User Interaction

NONE

Scope

UNCHANGED

Confidentiality

NONE

Integrity

LOW

Availability

NONE

Related Weaknesses (CWE)

CWE-284

References

https://hackerone.com/reports/3599383

FAQ

What is CVE-2026-77170?

CVE-2026-77170 is a vulnerability with a CVSS score of 4.3 (MEDIUM). The Deck config API allows authenticated users to set board-scoped configuration keys for arbitrary board IDs without validating whether the user owns or has permission to manage the referenced board.

How severe is CVE-2026-77170?

CVE-2026-77170 has been rated MEDIUM with a CVSS base score of 4.3/10. Review the CVSS metrics above for detailed severity breakdown.

Is there a patch for CVE-2026-77170?

Check the references section above for vendor advisories and patch information. Review vendor security bulletins for remediation guidance.