CVE-2026-15541

EUVD-2026-43298
A flaw has been found in will-moss Isaiah up to 1.36.9. The impacted element is the function Server.Handle of the file app/server/server/server.go of the component Master Websocket Handler. Executing a manipulation of the argument Agent can lead to missing authorization. It is possible to launch the attack remotely. The pull request to fix this issue awaits acceptance.
ProviderTypeBase ScoreAtk. VectorAtk. ComplexityPriv. RequiredVector
NISTPrimary
7.3 HIGH
NETWORK
LOW
NONE
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L
Awaiting analysis
This vulnerability is currently awaiting analysis.
Base Score
CVSS 3.x
EPSS Score
Percentile: 23%
Common Weakness Enumeration
References
https://github.com/will-moss/isaiah/
https://github.com/will-moss/isaiah/issues/34
https://github.com/will-moss/isaiah/pull/35
https://vuldb.com/cve/CVE-2026-15541
https://vuldb.com/submit/855074
https://vuldb.com/vuln/377891
https://vuldb.com/vuln/377891/cti