CVE-2026-56845 (GCVE-0-2026-56845)

Vulnerability from cvelistv5 – Published: 2026-08-04 00:43 – Updated: 2026-08-04 00:43
VLAI
Summary
An unauthenticated path traversal (LFI) vulnerability exists under /custom-sounds/ when CustomSounds storage is configured to FileSystem. By including ../ sequences in the request path, an attacker can read arbitrary files outside the base directory.
Severity
7.5 (High)
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
CWE
Assigner
References
Impacted products
Vendor Product Version
Rocket.Chat Rocket.Chat Affected: 0 , < 8.2.0 (semver)
Affected: 0 , < 8.1.1 (semver)
Affected: 0 , < 8.0.2 (semver)
Affected: 0 , < 7.13.4 (semver)
Affected: 0 , < 7.12.5 (semver)
Affected: 0 , < 7.11.5 (semver)
Affected: 0 , < 7.10.8 (semver)
Create a notification for this product.
Credits
s (howtoplay)
Show details on NVD website
To clipboard 

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          "vendor": "Rocket.Chat",
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              "version": "0",
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              "version": "0",
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      ],
      "credits": [
        {
          "lang": "en",
          "type": "finder",
          "value": "s (howtoplay)"
        }
      ],
      "descriptions": [
        {
          "lang": "en",
          "value": "An unauthenticated path traversal (LFI) vulnerability exists under /custom-sounds/ when CustomSounds storage is configured to FileSystem. By including ../ sequences in the request path, an attacker can read arbitrary files outside the base directory."
        }
      ],
      "metrics": [
        {
          "cvssV3_0": {
            "baseScore": 7.5,
            "baseSeverity": "HIGH",
            "vectorString": "CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N",
            "version": "3.0"
          }
        }
      ],
      "problemTypes": [
        {
          "descriptions": [
            {
              "cweId": "CWE-22",
              "description": "CWE-22 Path Traversal",
              "lang": "en",
              "type": "CWE"
            }
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      "providerMetadata": {
        "dateUpdated": "2026-08-04T00:43:48.076Z",
        "orgId": "36234546-b8fa-4601-9d6f-f4e334aa8ea1",
        "shortName": "hackerone"
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      "references": [
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          "url": "https://hackerone.com/reports/3514640"
        }
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  "cveMetadata": {
    "assignerOrgId": "36234546-b8fa-4601-9d6f-f4e334aa8ea1",
    "assignerShortName": "hackerone",
    "cveId": "CVE-2026-56845",
    "datePublished": "2026-08-04T00:43:48.076Z",
    "dateReserved": "2026-06-23T15:00:03.632Z",
    "dateUpdated": "2026-08-04T00:43:48.076Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.2"
}



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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.


Detection rules are retrieved from Rulezet.