CVE-2026-13591: low-severity vulnerability in DeepMyst Mysti
DeepMyst Mysti Contact Tracking ChannelBridge.ts _isTrackedConversation improper authorization
Published
28Vexday Risk Score
No sign of exploitation. It has a public proof of concept.
ssvc Attendcvss 2.3epss 0.3%
exploitation probability
0.3%top 77% of all CVEs
observed exploitation
nono source reports it
1 public exploit(s)
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:4.0/AV:N/AC:H/AT:N/PR:L/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:P
Affected products
DeepMyst · Mystipublic PoCs found — 1
cve_referencegithub.com/DeepMyst/Mysti/issues/42unverified⚠ Public resources, to assess the exposure of systems you control or are authorized to test. Test only with authorization.
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References
https://github.com/DeepMyst/Mysti/https://github.com/DeepMyst/Mysti/commit/9b4aff0f106db424aa45a35aa89dd0b8f2eb9a48https://github.com/DeepMyst/Mysti/issues/42https://github.com/DeepMyst/Mysti/pull/43https://vuldb.com/cve/CVE-2026-13591https://vuldb.com/submit/844480https://vuldb.com/vuln/374594https://vuldb.com/vuln/374594/cti