Medium 5.0Published Jun 29, 2026

CVE-2026-13591DeepMyst Mysti Contact Tracking ChannelBridge.ts _isTrackedConversation improper authorization

Updated under an hour ago (Oct 26, 2026, 7:50 PM ET)

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Every CVE for DeepMyst Mysti

Exploited in the last 30 days

A weakness has been identified in DeepMyst Mysti 0.4.0. Affected is the function _isTrackedConversation of the file src/managers/ChannelBridge.ts of the component Contact Tracking. This manipulation of the argument _channelType causes improper authorization. The attack may be initiated remotely. A high degree of complexity is needed for the attack. The exploitability is told to be difficult. The exploit has been made available to the public and could be used for attacks. Patch name: 9b4aff0f106db424aa45a35aa89dd0b8f2eb9a48. It is suggested to install a patch to address this issue.

CVSS: 5.0 MEDIUM (v3.1, CNA)CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:L/I:L/A:L/E:P/RL:O/RC:C
Weakness (CWE): CWE-285, CWE-266
Known exploited: Not in CISA's KEV catalog
EPSS (exploitation in the next 30 days): Not loaded for this CVE
Assigned by: VulDB
NVD analysis: Deferred
Record last updated: Jun 29, 2026
First seen by InfoSec Signals: Oct 9, 2026

Affected products

Affected products

DeepMyst Mysti deepmyst:mysti	0.4.0	CNA record

References

References

https://vuldb.com/vuln/374594	vdb-entry, technical-description
https://vuldb.com/vuln/374594/cti	signature, permissions-required
https://vuldb.com/cve/CVE-2026-13591	third-party-advisory
https://vuldb.com/submit/844480	third-party-advisory
https://github.com/DeepMyst/Mysti/issues/42	exploit, issue-tracking
https://github.com/DeepMyst/Mysti/pull/43	issue-tracking, patch
https://github.com/DeepMyst/Mysti/commit/9b4aff0f106db424aa45a35aa89dd0b8f2eb9a48	patch
https://github.com/DeepMyst/Mysti/	product

The CVE record on cve.org NVD's entry

The CVE record is authoritative. Products marked “from the name” were identified from the CNA's free-text names, not a CPE, and are matched less certainly. This product uses the NVD API but is not endorsed or certified by the NVD.