CVE-2026-2709 (GCVE-0-2026-2709)

Vulnerability from cvelistv5 – Published: 2026-02-19 06:32 – Updated: 2026-02-19 06:32
VLAI?
Title
busy Callback app.js redirect
Summary
A flaw has been found in busy up to 2.5.5. The affected element is an unknown function of the file source-code/busy-master/src/server/app.js of the component Callback Handler. Executing a manipulation of the argument state can lead to open redirect. It is possible to launch the attack remotely. The exploit has been published and may be used. The project was informed of the problem early through an issue report but has not responded yet.
Severity ?
5.1 (Medium)
CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:P/VC:N/VI:L/VA:N/SC:N/SI:N/SA:N/E:P
3.5 (Low)
CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:N/I:L/A:N/E:P/RL:X/RC:R
3.5 (Low)
CVSS:3.0/AV:N/AC:L/PR:L/UI:R/S:U/C:N/I:L/A:N/E:P/RL:X/RC:R
CWE
Assigner
References
https://vuldb.com/?id.346661 vdb-entrytechnical-description
https://vuldb.com/?ctiid.346661 signaturepermissions-required
https://vuldb.com/?submit.753299 third-party-advisory
https://github.com/busyorg/busy/issues/2287 issue-tracking
https://github.com/busyorg/busy/issues/2287#issue… exploitissue-tracking
Impacted products
Vendor Product Version
n/a busy Affected: 2.5.0
Affected: 2.5.1
Affected: 2.5.2
Affected: 2.5.3
Affected: 2.5.4
Affected: 2.5.5
Credits
ZAST.AI (VulDB User)
Show details on NVD website
To clipboard 

{
  "containers": {
    "cna": {
      "affected": [
        {
          "modules": [
            "Callback Handler"
          ],
          "product": "busy",
          "vendor": "n/a",
          "versions": [
            {
              "status": "affected",
              "version": "2.5.0"
            },
            {
              "status": "affected",
              "version": "2.5.1"
            },
            {
              "status": "affected",
              "version": "2.5.2"
            },
            {
              "status": "affected",
              "version": "2.5.3"
            },
            {
              "status": "affected",
              "version": "2.5.4"
            },
            {
              "status": "affected",
              "version": "2.5.5"
            }
          ]
        }
      ],
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          "type": "reporter",
          "value": "ZAST.AI (VulDB User)"
        }
      ],
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          "value": "A flaw has been found in busy up to 2.5.5. The affected element is an unknown function of the file source-code/busy-master/src/server/app.js of the component Callback Handler. Executing a manipulation of the argument state can lead to open redirect. It is possible to launch the attack remotely. The exploit has been published and may be used. The project was informed of the problem early through an issue report but has not responded yet."
        }
      ],
      "metrics": [
        {
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            "baseScore": 5.1,
            "baseSeverity": "MEDIUM",
            "vectorString": "CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:P/VC:N/VI:L/VA:N/SC:N/SI:N/SA:N/E:P",
            "version": "4.0"
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            }
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      "providerMetadata": {
        "dateUpdated": "2026-02-19T06:32:06.498Z",
        "orgId": "1af790b2-7ee1-4545-860a-a788eba489b5",
        "shortName": "VulDB"
      },
      "references": [
        {
          "name": "VDB-346661 | busy Callback app.js redirect",
          "tags": [
            "vdb-entry",
            "technical-description"
          ],
          "url": "https://vuldb.com/?id.346661"
        },
        {
          "name": "VDB-346661 | CTI Indicators (IOB, IOC, TTP, IOA)",
          "tags": [
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            "permissions-required"
          ],
          "url": "https://vuldb.com/?ctiid.346661"
        },
        {
          "name": "Submit #753299 | busyorg busy \u003c=2.5.5 Open Redirect",
          "tags": [
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          "url": "https://vuldb.com/?submit.753299"
        },
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          ],
          "url": "https://github.com/busyorg/busy/issues/2287"
        },
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          "tags": [
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          "url": "https://github.com/busyorg/busy/issues/2287#issue-3905518966"
        }
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      "timeline": [
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          "lang": "en",
          "time": "2026-02-18T00:00:00.000Z",
          "value": "Advisory disclosed"
        },
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          "lang": "en",
          "time": "2026-02-18T01:00:00.000Z",
          "value": "VulDB entry created"
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        {
          "lang": "en",
          "time": "2026-02-18T21:06:01.000Z",
          "value": "VulDB entry last update"
        }
      ],
      "title": "busy Callback app.js redirect"
    }
  },
  "cveMetadata": {
    "assignerOrgId": "1af790b2-7ee1-4545-860a-a788eba489b5",
    "assignerShortName": "VulDB",
    "cveId": "CVE-2026-2709",
    "datePublished": "2026-02-19T06:32:06.498Z",
    "dateReserved": "2026-02-18T20:00:57.543Z",
    "dateUpdated": "2026-02-19T06:32:06.498Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.2",
  "vulnerability-lookup:meta": {
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  }
}


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  • 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.