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.

Metrics

Attack Vector Network

Attack Complexity Low

Privileges Required None

Attack Requirements None

User Interaction None

Vulnerable System Confidentiality Impact Low

Vulnerable System Integrity Impact Low

Vulnerable System Availability Impact Low

Subsequent System Confidentiality Impact None

Subsequent System Integrity Impact None

Subsequent System Availability Impact None

Attack Vector Network

Attack Complexity Low

Privileges Required None

Scope Unchanged

Confidentiality Impact Low

Integrity Impact Low

Availability Impact Low

User Interaction None

Attack Vector Network

Attack Complexity Low

Privileges Required None

Scope Unchanged

Confidentiality Impact Low

Integrity Impact Low

Availability Impact Low

User Interaction None

Access Vector Network

Access Complexity Low

Authentication None

Confidentiality Impact Partial

Integrity Impact Partial

Availability Impact Partial

This CVE is not in the KEV list.

Exploitation poc

Automatable no

Technical Impact partial

Affected Vendors & Products

Vendors Products
Will-moss
  • Isaiah

No data.

No data.

References
Link Providers
https://github.com/will-moss/isaiah/ cve-icon
https://github.com/will-moss/isaiah/issues/34 cve-icon
https://github.com/will-moss/isaiah/pull/35 cve-icon
https://vuldb.com/cve/CVE-2026-15541 cve-icon
https://vuldb.com/submit/855074 cve-icon
https://vuldb.com/vuln/377891 cve-icon
https://vuldb.com/vuln/377891/cti cve-icon
History

Mon, 13 Jul 2026 15:30:00 +0000

Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'poc', 'Technical Impact': 'partial'}, 'version': '2.0.3'}

Mon, 13 Jul 2026 07:45:00 +0000

Type Values Removed Values Added
Description 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.
Title will-moss Isaiah Master Websocket server.go Server.Handle authorization
First Time appeared Will-moss
Will-moss isaiah
Weaknesses CWE-862
CWE-863
CPEs cpe:2.3:a:will-moss:isaiah:*:*:*:*:*:*:*:*
Vendors & Products Will-moss
Will-moss isaiah
References
Metrics cvssV2_0

{'score': 7.5, 'vector': 'AV:N/AC:L/Au:N/C:P/I:P/A:P/E:ND/RL:ND/RC:UR'}

cvssV3_0

{'score': 7.3, 'vector': 'CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L/E:X/RL:X/RC:R'}

cvssV3_1

{'score': 7.3, 'vector': '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'}

cvssV4_0

{'score': 6.9, 'vector': 'CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:X'}
cve-icon MITRE

Status: PUBLISHED

Assigner: VulDB

Published: 2026-07-13T06:45:10.052Z

Updated: 2026-07-13T14:28:26.935Z

Reserved: 2026-07-12T18:12:28.084Z

Link: CVE-2026-15541

cve-icon Vulnrichment

Updated: 2026-07-13T14:28:22.312Z

cve-icon NVD

No data.

cve-icon Redhat

No data.