Open Redirect in Web2py

CVE-2026-25198

web2py versions 2.27.1-stable+timestamp.2023.11.16.08.03.57 and prior contain an open redirect vulnerability. If this vulnerability is exploited, the user may be redirected to an arbitrary website when accessing a specially crafted URL. As a result, the user may become a victim of a phishing attack.

Vulnerability class: Open Redirect

Published · last modified .

CVSS v3 metric

CVSS v3 base score 4.7 (Medium). Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:C/C:N/I:L/A:N.

EPSS exploit prediction

EPSS: 0.003 (21.8th percentile), scored .

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 22nd percentile — 21.8% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS trend (30 days)EPSS over the last 30 days for CVE-2026-25198: held from 0.003 to 0.003.

EPSS over last 30 days · oldest: 0.003 · newest: 0.003 · change: +0.000

Affected products

  • Web2py — versions 2.27.1-stable+timestamp.2023.11.16.08.03.57 and prior

Weakness classification (CWE)

References

Frequently asked questions

What is CVE-2026-25198?
CVE-2026-25198 is a medium-severity vulnerability in Web2py, classified under URL Redirection to Untrusted Site (Open Redirect). CVSS score: 4.7/10. Published 2026-02-05.
How severe is CVE-2026-25198?
Medium severity. CVSS v3 base score is 4.7 out of 10.