VYPR
Medium severity6.1NVD Advisory· Published Oct 2, 2020· Updated Jun 17, 2026

CVE-2020-15233

CVE-2020-15233

Description

ORY Fosite is a security first OAuth2 & OpenID Connect framework for Go. In Fosite from version 0.30.2 and before version 0.34.1, there is an issue in which an an attacker can override the registered redirect URL by performing an OAuth flow and requesting a redirect URL that is to the loopback adapter. Attackers can provide both custom URL query parameters to their loopback redirect URL, as well as actually overriding the host of the registered redirect URL. These attacks are only applicable in scenarios where the attacker has access over the loopback interface. This vulnerability has been patched in ORY Fosite v0.34.1.

AI Insight

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Affected packages

Versions sourced from the GitHub Security Advisory.

PackageAffected versionsPatched versions
github.com/ory/fositeGo
>= 0.30.3, < 0.34.10.34.1

Affected products

3
  • Ory/Fosite2 versions
    cpe:2.3:a:ory:fosite:*:*:*:*:*:*:*:*+ 1 more
    • cpe:2.3:a:ory:fosite:*:*:*:*:*:*:*:*range: >=0.30.2,<0.34.1
    • (no CPE)range: < 0.34.1
  • ghsa-coords
    Range: >= 0.30.3, < 0.34.1

Patches

Vulnerability mechanics

References

5

News mentions

0

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