CVE-2026-15542 (GCVE-0-2026-15542)

Vulnerability from cvelistv5 – Published: 2026-07-13 07:00 – Updated: 2026-07-13 07:00
VLAI
Title
will-moss Isaiah Websocket Connection Authentication main.go improper authentication
Summary
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.
Severity
6.9 (Medium)
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
7.3 (High)
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
7.3 (High)
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
CWE
  • CWE-287 - Improper Authentication
Assigner
References
Impacted products
Vendor Product Version
will-moss Isaiah Affected: 1.36.0
Affected: 1.36.1
Affected: 1.36.2
Affected: 1.36.3
Affected: 1.36.4
Affected: 1.36.5
Affected: 1.36.6
Affected: 1.36.7
Affected: 1.36.8
Affected: 1.36.9
    cpe:2.3:a:will-moss:isaiah:*:*:*:*:*:*:*:*
 Create a notification for this product.
Credits
Dem0000000 (VulDB User) VulDB CNA Team
Show details on NVD website
To clipboard 

{
  "containers": {
    "cna": {
      "affected": [
        {
          "cpes": [
            "cpe:2.3:a:will-moss:isaiah:*:*:*:*:*:*:*:*"
          ],
          "modules": [
            "Websocket Connection Authentication"
          ],
          "product": "Isaiah",
          "vendor": "will-moss",
          "versions": [
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              "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"
            }
          ]
        }
      ],
      "credits": [
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          "type": "reporter",
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        },
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          "type": "coordinator",
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        }
      ],
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          "value": "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."
        }
      ],
      "metrics": [
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            "baseSeverity": "MEDIUM",
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            "vectorString": "AV:N/AC:L/Au:N/C:P/I:P/A:P/E:ND/RL:ND/RC:UR",
            "version": "2.0"
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      "problemTypes": [
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          "descriptions": [
            {
              "cweId": "CWE-287",
              "description": "Improper Authentication",
              "lang": "en",
              "type": "CWE"
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      "providerMetadata": {
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        "orgId": "1af790b2-7ee1-4545-860a-a788eba489b5",
        "shortName": "VulDB"
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      "references": [
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          "name": "VDB-377892 | will-moss Isaiah Websocket Connection Authentication main.go improper authentication",
          "tags": [
            "vdb-entry"
          ],
          "url": "https://vuldb.com/vuln/377892"
        },
        {
          "name": "VDB-377892 | CTI Indicators (IOB, IOC, IOA)",
          "tags": [
            "signature",
            "permissions-required"
          ],
          "url": "https://vuldb.com/vuln/377892/cti"
        },
        {
          "name": "CVE-2026-15542 | CVE Analysis and Report",
          "tags": [
            "third-party-advisory"
          ],
          "url": "https://vuldb.com/cve/CVE-2026-15542"
        },
        {
          "name": "Submit #855075 | will-moss Isaiah 1.36.9 CWE-287 Improper Authentication",
          "tags": [
            "third-party-advisory"
          ],
          "url": "https://vuldb.com/submit/855075"
        },
        {
          "tags": [
            "issue-tracking"
          ],
          "url": "https://github.com/will-moss/isaiah/issues/33"
        },
        {
          "tags": [
            "issue-tracking",
            "patch"
          ],
          "url": "https://github.com/will-moss/isaiah/pull/36"
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            "product"
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          "url": "https://github.com/will-moss/isaiah/"
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      ],
      "timeline": [
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          "time": "2026-07-12T00:00:00.000Z",
          "value": "Advisory disclosed"
        },
        {
          "lang": "en",
          "time": "2026-07-12T02:00:00.000Z",
          "value": "VulDB entry created"
        },
        {
          "lang": "en",
          "time": "2026-07-12T20:18:56.000Z",
          "value": "VulDB entry last update"
        }
      ],
      "title": "will-moss Isaiah Websocket Connection Authentication main.go improper authentication"
    }
  },
  "cveMetadata": {
    "assignerOrgId": "1af790b2-7ee1-4545-860a-a788eba489b5",
    "assignerShortName": "VulDB",
    "cveId": "CVE-2026-15542",
    "datePublished": "2026-07-13T07:00:09.998Z",
    "dateReserved": "2026-07-12T18:13:53.748Z",
    "dateUpdated": "2026-07-13T07:00:09.998Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.2",
  "vulnerability-lookup:meta": {
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  }
}



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Forecast uses a logistic model when the trend is rising, or an exponential decay model when the trend is falling. Fitted via linearized least squares.

Sightings

Author Source Type Date Other

Nomenclature

  • Seen: The vulnerability was mentioned, discussed, or observed by the user.
  • Confirmed: The vulnerability has been validated from an analyst's perspective.
  • Published Proof of Concept: A public proof of concept is available for this vulnerability.
  • Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
  • Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
  • Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
  • Not confirmed: The user expressed doubt about the validity of the vulnerability.
  • Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.


Detection rules are retrieved from Rulezet.