CVE-2026-123542
OpenAM before 16.1.4 fails to enforce PKCE in the OAuth 2.0 device authorization flow, never validating the code verifier when device codes are exchanged for tokens. Attackers who obtain an approved device code from client logs or shared device storage can redeem it for access and ID tokens to impersonate the user.
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The sources do not list affected products or versions for this vulnerability yet.
0.3%16th percentile
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Published
First publication at the source
Collected
First seen by Baba Yaga Security