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Package · Debian

liboauth2

2 known vulnerabilities.

All Critical High Medium Low Exploited only Public exploit

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  • Medium 5.1
    CVE-2026-54431

    Improper Data Validation in liboauth2

    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 retur…

    OpenIDC liboauth2 liboauth2 liboauth2 Debian Ubuntu
  • Medium 5.1
    CVE-2026-54430

    Server-Site Request Forgery in liboauth2

    liboauth2 is vulnerable to Server-Side Request Forgery in oauth2_jose_jwks_aws_alb_resolve() function. The AWS ALB verifier reads both signer and kid from the unverified JWT header. If signer matches the configured ARN, kid is appended to alb_base_url without…

    OpenIDC liboauth2 liboauth2 liboauth2 Debian Ubuntu