CVE-2026-22560 (GCVE-0-2026-22560)

Vulnerability from cvelistv5 – Published: 2026-04-10 17:00 – Updated: 2026-04-10 17:00
VLAI?
Summary
An open redirect vulnerability in Rocket.Chat versions prior to 8.4.0 allows users to be redirected to arbitrary URLs by manipulating parameters within a SAML endpoint.
Severity ?
No CVSS data available.
CWE
Assigner
Impacted products
Vendor Product Version
Rocket.Chat Rocket.Chat Affected: 8.4.0 , < 8.4.0 (semver)
Create a notification for this product.
Show details on NVD website

{
  "containers": {
    "cna": {
      "affected": [
        {
          "defaultStatus": "unaffected",
          "product": "Rocket.Chat",
          "vendor": "Rocket.Chat",
          "versions": [
            {
              "lessThan": "8.4.0",
              "status": "affected",
              "version": "8.4.0",
              "versionType": "semver"
            }
          ]
        }
      ],
      "descriptions": [
        {
          "lang": "en",
          "value": "An open redirect vulnerability in Rocket.Chat versions prior to 8.4.0 allows users to be redirected to arbitrary URLs by manipulating parameters within a SAML endpoint."
        }
      ],
      "problemTypes": [
        {
          "descriptions": [
            {
              "cweId": "CWE-601",
              "description": "CWE-601 Open Redirect",
              "lang": "en",
              "type": "CWE"
            }
          ]
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2026-04-10T17:00:11.746Z",
        "orgId": "36234546-b8fa-4601-9d6f-f4e334aa8ea1",
        "shortName": "hackerone"
      },
      "references": [
        {
          "url": "https://hackerone.com/reports/3418031"
        },
        {
          "url": "https://github.com/RocketChat/Rocket.Chat/pull/38994"
        }
      ]
    }
  },
  "cveMetadata": {
    "assignerOrgId": "36234546-b8fa-4601-9d6f-f4e334aa8ea1",
    "assignerShortName": "hackerone",
    "cveId": "CVE-2026-22560",
    "datePublished": "2026-04-10T17:00:11.746Z",
    "dateReserved": "2026-01-07T15:39:03.440Z",
    "dateUpdated": "2026-04-10T17:00:11.746Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.2",
  "vulnerability-lookup:meta": {
    "nvd": "{\"cve\":{\"id\":\"CVE-2026-22560\",\"sourceIdentifier\":\"support@hackerone.com\",\"published\":\"2026-04-10T17:17:01.980\",\"lastModified\":\"2026-04-10T17:17:01.980\",\"vulnStatus\":\"Received\",\"cveTags\":[],\"descriptions\":[{\"lang\":\"en\",\"value\":\"An open redirect vulnerability in Rocket.Chat versions prior to 8.4.0 allows users to be redirected to arbitrary URLs by manipulating parameters within a SAML endpoint.\"}],\"metrics\":{},\"weaknesses\":[{\"source\":\"support@hackerone.com\",\"type\":\"Secondary\",\"description\":[{\"lang\":\"en\",\"value\":\"CWE-601\"}]}],\"references\":[{\"url\":\"https://github.com/RocketChat/Rocket.Chat/pull/38994\",\"source\":\"support@hackerone.com\"},{\"url\":\"https://hackerone.com/reports/3418031\",\"source\":\"support@hackerone.com\"}]}}"
  }
}


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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.
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  • 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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