CVE-2026-83589
Medium · 6.1CVSS
6.1
EPSS
0.3%
Published
Oct 1, 2026
CISA due date
—
The record
A flaw was found in oauth-proxy. The application fails to properly validate the destination redirect parameter (`rd`) during post-login redirection. A remote attacker can exploit this vulnerability by enticing a user to follow a specially crafted link, resulting in the user being redirected to an arbitrary external website after authenticating. This open redirect can be leveraged to conduct phishing attacks or credential theft.
Affected packages
| Ecosystem | Package | Introduced | Fixed |
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