CVE-2026-15542
will-moss Isaiah Websocket Connection Authentication main.go improper authentication
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.
INFO
Published Date :
July 13, 2026, 8:16 a.m.
Last Modified :
July 13, 2026, 8:16 a.m.
Remotely Exploit :
Yes !
Source :
[email protected]
Affected Products
The following products are affected by CVE-2026-15542
vulnerability.
Even if cvefeed.io is aware of the exact versions of the
products
that
are
affected, the information is not represented in the table below.
No affected product recoded yet
CVSS Scores
| Score | Version | Severity | Vector | Exploitability Score | Impact Score | Source |
|---|---|---|---|---|---|---|
| CVSS 2.0 | HIGH | [email protected] | ||||
| CVSS 3.1 | HIGH | [email protected] | ||||
| CVSS 4.0 | MEDIUM | [email protected] |
Solution
- Apply the pull request to fix the authentication issue.
- Update will-moss Isaiah to a patched version.
- Review and enforce authentication controls for websocket connections.
References to Advisories, Solutions, and Tools
Here, you will find a curated list of external links that provide in-depth
information, practical solutions, and valuable tools related to
CVE-2026-15542.
CWE - Common Weakness Enumeration
While CVE identifies
specific instances of vulnerabilities, CWE categorizes the common flaws or
weaknesses that can lead to vulnerabilities. CVE-2026-15542 is
associated with the following CWEs:
Common Attack Pattern Enumeration and Classification (CAPEC)
Common Attack Pattern Enumeration and Classification
(CAPEC)
stores attack patterns, which are descriptions of the common attributes and
approaches employed by adversaries to exploit the CVE-2026-15542
weaknesses.
We scan GitHub repositories to detect new proof-of-concept exploits. Following list is a collection of public exploits and proof-of-concepts, which have been published on GitHub (sorted by the most recently updated).
Results are limited to the first 15 repositories due to potential performance issues.
The following list is the news that have been mention
CVE-2026-15542 vulnerability anywhere in the article.
The following table lists the changes that have been made to the
CVE-2026-15542 vulnerability over time.
Vulnerability history details can be useful for understanding the evolution of a vulnerability, and for identifying the most recent changes that may impact the vulnerability's severity, exploitability, or other characteristics.
-
New CVE Received by [email protected]
Jul. 13, 2026
Action Type Old Value New Value Added Affected [{'cpes': ['cpe:2.3:a:will-moss:isaiah:*:*:*:*:*:*:*:*'], 'vendor': 'will-moss', 'modules': ['Websocket Connection Authentication'], 'product': 'Isaiah', 'versions': [{'status': 'affected', 'version': '1.36.0'}, {'status': 'affected', 'version': '1.36.1'}, {'status': 'affected', 'version': '1.36.2'}, {'status': 'affected', 'version': '1.36.3'}, {'status': 'affected', 'version': '1.36.4'}, {'status': 'affected', 'version': '1.36.5'}, {'status': 'affected', 'version': '1.36.6'}, {'status': 'affected', 'version': '1.36.7'}, {'status': 'affected', 'version': '1.36.8'}, {'status': 'affected', 'version': '1.36.9'}]}] Added 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. Added CVSS V4.0 AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X Added CVSS V3.1 AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L Added CVSS V2 (AV:N/AC:L/Au:N/C:P/I:P/A:P) Added CWE CWE-287 Added Reference https://github.com/will-moss/isaiah/ Added Reference https://github.com/will-moss/isaiah/issues/33 Added Reference https://github.com/will-moss/isaiah/pull/36 Added Reference https://vuldb.com/cve/CVE-2026-15542 Added Reference https://vuldb.com/submit/855075 Added Reference https://vuldb.com/vuln/377892 Added Reference https://vuldb.com/vuln/377892/cti