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Highest advisory severityMedium 1 vendor · 1 advisory

CVE-2026-53712

CVE-2026-53712: 1 tracked advisory record across Red Hat. Compare vendor sources and published fix guidance.

Compare the source-linked records below. Ratings and product/version details belong to each advisory; they are not a single CVE-wide score or proof that every listed product is affected. How VulniPulse collects and checks evidence.

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Vendor advisory comparison

Red Hat

1 advisory
  • Advisory severityMedium5.9

    Medium [CVE-2026-53712] Authentication downgrade via TLS man-in-the-middle attack

    CVE-2026-53712Source published Source updated

    SCRAM (Salted Challenge Response Authentication Mechanism) is part of the family of Simple Authentication and Security Layer (SASL, RFC 4422) authentication mechanisms. Prior to 3.3, a flaw in com.ongres.scram:scram-client and com.ongres.scram:scram-common allows an attacker capable of a TLS man-in-the-middle attack to silently downgrade a connection from SCRAM-SHA-256-PLUS with channel binding to standard SCRAM-SHA-256 without channel binding when TlsServerEndpoint processes an X.509 certificate using a modern signature algorithm such as Ed25519; getChannelBindingData() can return an empty byte array after NoSuchAlgorithmException, and the ScramClient builder treats that as absent channel-binding data. This issue is fixed in version 3.3. This vulnerability allows the attacker to bypass…

    Affected products in this advisory
    • Red Hat build of Quarkus 3.27.5
    • Red Hat build of Quarkus 3.33.3
    • Red Hat JBoss Enterprise Application Platform Expansion Pack
    Source-reported affected versions
    • < 3.3
    Source-reported fixed versions
    • 3.3
    • scram-common
    • RHSA-2026:53643
    • RHSA-2026:51653
    Mitigation guidance
    • Mitigation for this issue is either not available or the currently available options do not meet the Red Hat Product Security criteria comprising ease of use and deployment, applicability to widespread installation base, or stability.
    Full advisory and evidenceOpen source bulletin

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