CVE-2026-32245 is a vulnerability in Tinyauth, an authentication and authorization server, affecting versions prior to 5.0.3. It allows a malicious OIDC client to exchange another client's authorization code, obtaining tokens for users who never authorized their application, violating RFC 6749. This medium-severity vulnerability (CVSS 6.5) has a network attack vector and high attack complexity, potentially leading to unauthorized access and integrity compromise. There is no evidence of active exploitation, nor are public exploit tools available. Community discussion and media coverage are currently minimal.
| Vendor | Product | Version(s) | CPE |
|---|---|---|---|
<= 5.0.2CPE matchmatch criteria | cpe:2.3:a:tinyauth:tinyauth:*:*:*:*:*:*:*:* |
CVSS version used by this source: 3.1
CVSS:3.1/AV:N/AC:H/PR:L/UI:R/S:C/C:L/I:H/A:N
The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.0 Bluesky, 0.0 Mastodon, and 0.2 GitHub mentions.
The average CVE in this peer group has 0.0 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.