CVE-2026-52877 (GCVE-0-2026-52877)

Vulnerability from cvelistv5 – Published: 2026-08-18 21:27 – Updated: 2026-08-18 21:27
VLAI
Title
Streambert : Insecure Protocol Execution in open-external IPC Handler
Summary
Streambert is a cross-platform Electron Desktop App to stream and download video content. Prior to version 2.6.0, the open-external IPC handler in src/ipc/downloads.js passes a renderer-supplied url directly to Electron's shell.openExternal without validating its protocol. A compromised renderer can submit file: URIs or operating-system-specific custom schemes, causing the host to open local files, access remote resources through registered handlers, or launch scripts and applications supported by those handlers. This issue is fixed in version 2.6.0.
CWE
  • CWE-20 - Improper Input Validation
  • CWE-749 - Exposed Dangerous Method or Function
Impacted products
Vendor Product Version CPE status
truelockmc streambert Affected: < 2.6.0
guessed Create a notification for this product.
Show details on NVD website

{
  "containers": {
    "cna": {
      "affected": [
        {
          "product": "streambert",
          "vendor": "truelockmc",
          "versions": [
            {
              "status": "affected",
              "version": "\u003c 2.6.0"
            }
          ]
        }
      ],
      "descriptions": [
        {
          "lang": "en",
          "value": "Streambert is a cross-platform Electron Desktop App to stream and download video content. Prior to version 2.6.0, the open-external IPC handler in src/ipc/downloads.js passes a renderer-supplied url directly to Electron\u0027s shell.openExternal without validating its protocol. A compromised renderer can submit file: URIs or operating-system-specific custom schemes, causing the host to open local files, access remote resources through registered handlers, or launch scripts and applications supported by those handlers. This issue is fixed in version 2.6.0."
        }
      ],
      "metrics": [
        {
          "cvssV3_1": {
            "attackComplexity": "LOW",
            "attackVector": "NETWORK",
            "availabilityImpact": "LOW",
            "baseScore": 8.3,
            "baseSeverity": "HIGH",
            "confidentialityImpact": "LOW",
            "integrityImpact": "LOW",
            "privilegesRequired": "NONE",
            "scope": "CHANGED",
            "userInteraction": "NONE",
            "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:L/I:L/A:L",
            "version": "3.1"
          }
        }
      ],
      "problemTypes": [
        {
          "descriptions": [
            {
              "cweId": "CWE-20",
              "description": "CWE-20: Improper Input Validation",
              "lang": "en",
              "type": "CWE"
            }
          ]
        },
        {
          "descriptions": [
            {
              "cweId": "CWE-749",
              "description": "CWE-749: Exposed Dangerous Method or Function",
              "lang": "en",
              "type": "CWE"
            }
          ]
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2026-08-18T21:27:23.802Z",
        "orgId": "a0819718-46f1-4df5-94e2-005712e83aaa",
        "shortName": "GitHub_M"
      },
      "references": [
        {
          "name": "https://github.com/truelockmc/streambert/security/advisories/GHSA-j2vw-gg3g-wwqr",
          "tags": [
            "x_refsource_CONFIRM"
          ],
          "url": "https://github.com/truelockmc/streambert/security/advisories/GHSA-j2vw-gg3g-wwqr"
        },
        {
          "name": "https://github.com/truelockmc/streambert/commit/8fd7eb1d358d1d69e57e51ddfa71b066b44ff616",
          "tags": [
            "x_refsource_MISC"
          ],
          "url": "https://github.com/truelockmc/streambert/commit/8fd7eb1d358d1d69e57e51ddfa71b066b44ff616"
        },
        {
          "name": "https://github.com/truelockmc/streambert/releases/tag/2.6.0",
          "tags": [
            "x_refsource_MISC"
          ],
          "url": "https://github.com/truelockmc/streambert/releases/tag/2.6.0"
        }
      ],
      "source": {
        "advisory": "GHSA-j2vw-gg3g-wwqr",
        "discovery": "UNKNOWN"
      },
      "title": "Streambert : Insecure Protocol Execution in open-external IPC Handler"
    }
  },
  "cveMetadata": {
    "assignerOrgId": "a0819718-46f1-4df5-94e2-005712e83aaa",
    "assignerShortName": "GitHub_M",
    "cveId": "CVE-2026-52877",
    "datePublished": "2026-08-18T21:27:23.802Z",
    "dateReserved": "2026-06-08T21:44:27.364Z",
    "dateUpdated": "2026-08-18T21:27:23.802Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.2",
  "vulnerability-lookup:meta": {
    "epss": {
      "cve": "CVE-2026-52877",
      "date": "2026-08-19",
      "epss": "0.00305",
      "percentile": "0.23159"
    },
    "nvd": "{\"cve\":{\"id\":\"CVE-2026-52877\",\"sourceIdentifier\":\"security-advisories@github.com\",\"published\":\"2026-08-18T22:16:54.520\",\"lastModified\":\"2026-08-18T22:16:54.520\",\"vulnStatus\":\"Received\",\"cveTags\":[],\"descriptions\":[{\"lang\":\"en\",\"value\":\"Streambert is a cross-platform Electron Desktop App to stream and download video content. Prior to version 2.6.0, the open-external IPC handler in src/ipc/downloads.js passes a renderer-supplied url directly to Electron\u0027s shell.openExternal without validating its protocol. A compromised renderer can submit file: URIs or operating-system-specific custom schemes, causing the host to open local files, access remote resources through registered handlers, or launch scripts and applications supported by those handlers. This issue is fixed in version 2.6.0.\"}],\"affected\":[{\"source\":\"security-advisories@github.com\",\"affectedData\":[{\"vendor\":\"truelockmc\",\"product\":\"streambert\",\"versions\":[{\"version\":\"\u003c 2.6.0\",\"status\":\"affected\"}]}]}],\"metrics\":{\"cvssMetricV31\":[{\"source\":\"security-advisories@github.com\",\"type\":\"Secondary\",\"cvssData\":{\"version\":\"3.1\",\"vectorString\":\"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:L/I:L/A:L\",\"baseScore\":8.3,\"baseSeverity\":\"HIGH\",\"attackVector\":\"NETWORK\",\"attackComplexity\":\"LOW\",\"privilegesRequired\":\"NONE\",\"userInteraction\":\"NONE\",\"scope\":\"CHANGED\",\"confidentialityImpact\":\"LOW\",\"integrityImpact\":\"LOW\",\"availabilityImpact\":\"LOW\"},\"exploitabilityScore\":3.9,\"impactScore\":3.7}]},\"weaknesses\":[{\"source\":\"security-advisories@github.com\",\"type\":\"Primary\",\"description\":[{\"lang\":\"en\",\"value\":\"CWE-20\"},{\"lang\":\"en\",\"value\":\"CWE-749\"}]}],\"references\":[{\"url\":\"https://github.com/truelockmc/streambert/commit/8fd7eb1d358d1d69e57e51ddfa71b066b44ff616\",\"source\":\"security-advisories@github.com\"},{\"url\":\"https://github.com/truelockmc/streambert/releases/tag/2.6.0\",\"source\":\"security-advisories@github.com\"},{\"url\":\"https://github.com/truelockmc/streambert/security/advisories/GHSA-j2vw-gg3g-wwqr\",\"source\":\"security-advisories@github.com\"}]}}"
  }
}



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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

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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.

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Detection rules are retrieved from Rulezet.

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