High 7.3Published Jul 13, 2026

CVE-2026-15541A flaw has been found in will-moss Isaiah up to 1.36.9.

Updated under an hour ago (2026-10-19 06:10 UTC)

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Exploited in the last 30 days

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.

CVSS: 7.3 HIGH (v3.1, NVD)CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L
Weakness (CWE): CWE-862, CWE-863
Known exploited: Not in CISA's KEV catalog
EPSS (exploitation in the next 30 days): Not loaded for this CVE
Assigned by: Not given
NVD analysis: Deferred
Record last updated: Jul 13, 2026
First seen by InfoSec Signals: Oct 9, 2026

Affected products

No affected products are listed yet.

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

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.