CVE-2026-15542: will-moss Isaiah Websocket Connection Authentication main.go improper authentication

Severity: high (CVSS 7.3 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 0.7% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2026-07-13 · updated 2026-10-24
Weakness: CWE-287

Description

A vulnerability has been found in will-moss Isaiah up to 1.36.9. This affects an unknown function of the file app/main.go of the component Websocket Connection Authentication. The manipulation leads to improper authentication. The attack can be initiated remotely. The pull request to fix this issue awaits acceptance.

Affected products

will-moss Isaiah: 1.36.0, 1.36.1, 1.36.2, 1.36.3, 1.36.4, 1.36.5 (+4)

References

https://github.com/will-moss/isaiah/
https://github.com/will-moss/isaiah/issues/33
https://github.com/will-moss/isaiah/pull/36
https://vuldb.com/cve/CVE-2026-15542
https://vuldb.com/submit/855075
https://vuldb.com/vuln/377892
https://vuldb.com/vuln/377892/cti

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