Overview

web2py contains an open redirect vulnerability.

Products Affected

  • web2py versions 2.27.1-stable+timestamp.2023.11.16.08.03.57 and prior

Description

web2py contains the following vulnerability.

  • Open redirect (CWE-601)
    • CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:N/VI:N/VA:N/SC:N/SI:L/SA:N Base Score 5.1
    • CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:C/C:N/I:L/A:N Base Score 4.7
    • CVE-2026-25198
    • This case is an additional fix of JVN#02158640.

Impact

When accessing a specially crafted URL, the user may be redirected to an arbitrary website. As a result, the user may become a victim of a phishing attack.

Solution

Update the Software
Update the software to the latest version according to the information provided by the developer.

Vendor Status
Vendor Link
web2py Commit b4e1ddb
  Releases
  web2py Web Framework
References

JPCERT/CC Addendum

Vulnerability Analysis by JPCERT/CC
Credit

Shiga Takuma of BroadBand Security, Inc. reported this vulnerability to IPA.
JPCERT/CC coordinated with the developer under Information Security Early Warning Partnership.

Other Information

JPCERT Alert
JPCERT Reports
CERT Advisory
CPNI Advisory
TRnotes
CVE CVE-2026-25198
JVN iPedia JVNDB-2026-000021

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