CVE-2026-2709

LOW

busy <= 2.5.5 - Open Redirect via Callback Handler

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.

References (5)

Core 5
Core References
Permissions Required, VDB Entry vdb-entry technical-description
https://vuldb.com/?id.346661
Permissions Required, VDB Entry signature permissions-required
https://vuldb.com/?ctiid.346661
Permissions Required, VDB Entry third-party-advisory
https://vuldb.com/?submit.753299
Issue Tracking issue-tracking
https://github.com/busyorg/busy/issues/2287
Issue Tracking exploit issue-tracking
https://github.com/busyorg/busy/issues/2287#issue-3905518966

Scores

CVSS v3 3.5
EPSS 0.0026
EPSS Percentile 16.9%
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