CVE-2026-15541
will-moss Isaiah Master Websocket server.go Server.Handle authorization
CVSS Score
7.3
EPSS Score
0.3%
EPSS Percentile
24th
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.
| CWE | CWE-862 CWE-863 |
| Vendor | will-moss |
| Product | isaiah |
| Published | Jul 13, 2026 |
| Last Updated | Jul 13, 2026 |
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CVSS v3 Breakdown
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L/E:X/RL:X/RC:R Attack Vector
Attack Complexity
Privileges Required
User Interaction
Scope
Confidentiality
Integrity
Availability
Affected Versions
will-moss / Isaiah
1.36.0 1.36.1 1.36.2 1.36.3 1.36.4 1.36.5 1.36.6 1.36.7 1.36.8 1.36.9
References
vuldb.com: https://vuldb.com/vuln/377891 vuldb.com: https://vuldb.com/vuln/377891/cti vuldb.com: https://vuldb.com/cve/CVE-2026-15541 vuldb.com: https://vuldb.com/submit/855074 github.com: https://github.com/will-moss/isaiah/issues/34 github.com: https://github.com/will-moss/isaiah/pull/35 github.com: https://github.com/will-moss/isaiah/
Credits
🔍 Dem0000000 (VulDB User) VulDB CNA Team