CVE-2026-2709

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.

CVSS v3 3.5 LOW
CVSS v2.0 4.0 MEDIUM

3.5^/10

CVSS v3 : LOW

Vector :

Exploitability : 2.1 / Impact : 1.4

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required LOW

User Interaction REQUIRED

Confidentiality Impact NONE

Integrity Impact LOW

Availability Impact NONE

Scope UNCHANGED

4.0^/10

CVSS v2.0 : MEDIUM

Vector : AV:N/AC:L/Au:S/C:N/I:P/A:N

Exploitability : 8.0 / Impact : 2.9

Access Vector NETWORK

Access Complexity LOW

Authentication SINGLE

Confidentiality Impact NONE

Integrity Impact PARTIAL

Availability Impact NONE

References

Link	Resource
https://github.com/busyorg/busy/issues/2287
https://github.com/busyorg/busy/issues/2287#issue-3905518966
https://vuldb.com/?ctiid.346661
https://vuldb.com/?id.346661
https://vuldb.com/?submit.753299

Configurations

No configuration.

History

15 Apr 2026, 00:35

Type	Values Removed	Values Added
Summary		(es) Se ha encontrado una vulnerabilidad en busy hasta la versión 2.5.5 que afecta a una función desconocida del archivo source-code/busy-master/src/server/app.js del componente Callback Gestor. Si se manipula el argumento state se puede provocar una redirección abierta. Es posible lanzar el ataque en remoto. El exploit ha sido publicado y puede ser utilizado. Se informó al proyecto de la divulgación con antelación a través de un informe de incidencias, pero aún no ha respondido.

19 Feb 2026, 07:17

Type	Values Removed	Values Added
New CVE

Information

Published : 2026-02-19 07:17

Updated : 2026-04-29 01:00

NVD link : CVE-2026-2709

Mitre link : CVE-2026-2709

CVE.ORG link : CVE-2026-2709

JSON object : View

Products Affected

No product.

CWE

CWE-601

URL Redirection to Untrusted Site ('Open Redirect')

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