CVE-2025-8066: Bunker Web 1.6.2 - Uncontrolled external site redirect

Severity: medium (CVSS 4.8 v4.0)
Exploited in the wild: not listed in CISA KEV
EPSS: 0.5% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2025-08-15 · updated 2026-06-17
Weakness: CWE-601

Description

URL Redirection to Untrusted Site ('Open Redirect') vulnerability in Bunkerity Bunker Web on Linux allows Phishing.This issue affects Bunker Web: 1.6.2.

Affected products

Bunkerity Bunker Web: from 1.6.2 before 1.6.4 — fixed in 1.6.4

How to fix

Upgrade to a fixed version: Bunkerity Bunker Web 1.6.4. Check the vendor advisory for mitigations.

References

https://fluidattacks.com/advisories/cypress
https://github.com/bunkerity/bunkerweb
https://github.com/bunkerity/bunkerweb/releases/tag/v1.6.4

Get alerted when CVE-2025-8066 or the next vulnerability affects your stack