CVE-2026-2709

LOW

Busy up to 2.5.5 - Open Redirect

Title source: llm
STIX 2.1

Description

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.

Scores

CVSS v3 3.5
EPSS 0.0001
EPSS Percentile 1.8%
Attack Vector NETWORK
CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:N/I:L/A:N

CISA SSVC

Vulnrichment
Exploitation poc
Automatable no
Technical Impact partial

Details

CWE
CWE-601
Status published
Published Feb 19, 2026
Tracked Since Feb 19, 2026