PT-2026-53320 · Unknown · Deepmyst Mysti

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CVE-2026-13591

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Published

2026-06-29

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Updated

2026-06-29

CVSS v3.1

5.0

Medium

VectorAV:N/AC:H/PR:L/UI:N/S:U/C:L/I:L/A:L
Name of the Vulnerable Software and Affected Versions DeepMyst Mysti version 0.4.0
Description An improper authorization issue exists within the Contact Tracking component. The flaw is located in the isTrackedConversation() function of the src/managers/ChannelBridge.ts file. A remote attacker can exploit this by manipulating the channelType argument. The attack requires a high degree of complexity and is considered difficult to execute.
Recommendations Install patch 9b4aff0f106db424aa45a35aa89dd0b8f2eb9a48 for version 0.4.0. As a temporary mitigation, restrict access to the isTrackedConversation() function.

Exploit

Fix

Improper Authorization

Incorrect Privilege Assignment

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Weakness Enumeration

Related Identifiers

CVE-2026-13591

Affected Products

Deepmyst Mysti