5.1
Moyenne
CVE-2026-54431 In liboauth2 the Demonstrating Proof-of-Possession (DPoP) verifier accepts a proof whose JSON Web Key (jwk) header…
Description
In liboauth2 the Demonstrating Proof-of-Possession (DPoP) verifier accepts a proof whose JSON Web Key (jwk) header contains private key material. RFC 9449 section 4.3 step 7 requires the verifier to reject such a proof but oauth2_token_verify() function returns success for a malformed DPoP proof that embeds the private Elliptic Curve (EC) key in the header. This issue was fixed in version 2.3.0
Produits et versions touchés
| Produit | Versions touchées | Corrigé en |
|---|---|---|
| liboauth2 2.3 | premières → < 2.3.0 | 2.3.0 |