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CVE-2026-15542: Improper Authentication in will-moss Isaiah

0
Medium
VulnerabilityCVE-2026-15542cvecve-2026-15542
Published: 07/13/2026 (07/13/2026, 07:00:09 UTC)
Source: CVE Database V5
Vendor/Project: will-moss
Product: Isaiah

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.

CVSS v4.0

Score 6.9medium

Attack Vector
Network
Attack Complexity
Low
Attack Requirements
None
Privileges Required
None
User Interaction
None
Vuln. Confidentiality
Low
Vuln. Integrity
Low
Vuln. Availability
Low
Subsq. Confidentiality
None
Subsq. Integrity
None
Subsq. Availability
None
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

Affected software

GitHub Actionsmore threats →ai
will-moss/isaiah
pkg:github/will-moss/isaiah
Affected versions
=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
CPE configurations
cpe:2.3:a:will-moss:isaiah:*:*:*:*:*:*:*:*

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AI-Powered Analysis

Machine-generated threat intelligence

AILast updated: 07/20/2026, 18:36:20 UTC

Technical Analysis

This vulnerability affects will-moss Isaiah versions 1.36.0 through 1.36.9. It arises from improper authentication handling in the Websocket Connection Authentication component, located in app/main.go. The flaw allows remote attackers to initiate attacks that bypass authentication controls. Although a pull request to fix the issue exists, it has not yet been merged or officially released, leaving the vulnerability unpatched at this time. The CVSS 4.0 base score is 6.9, indicating a medium severity level with network attack vector, no privileges or user interaction required, and low impact on confidentiality, integrity, and availability.

Potential Impact

The vulnerability enables remote attackers to bypass authentication in the affected versions of will-moss Isaiah, potentially allowing unauthorized access to the system or its functions. The impact is rated medium severity based on CVSS 4.0 scoring, reflecting limited but meaningful compromise potential. There are no known exploits in the wild at this time.

Mitigation Recommendations

No official fix or patch is currently available as the pull request to address the issue awaits acceptance. Users should monitor the vendor's repository or advisory channels for the official patch release. Until then, consider restricting access to the Websocket Connection Authentication interface or applying compensating controls to limit exposure.

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Technical Details

Data Version
5.2
Assigner Short Name
VulDB
Date Reserved
2026-07-12T18:13:53.748Z
Cvss Version
4.0
State
PUBLISHED
Remediation Level
null

Threat ID: 6a54990e68715ace436e946f

Added to database: 07/13/2026, 07:51:42 UTC

Last enriched: 07/20/2026, 18:36:20 UTC

Last updated: 08/25/2026, 22:52:09 UTC

Views: 49

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