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Highest advisory severityHigh 1 vendor · 2 advisories

CVE-2026-15573

CVE-2026-15573: 2 tracked advisory records 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

2 advisories
  • Advisory severityHigh8.1

    High [CVE-2026-15573 +1] Incomplete fix for CVE-2026-15573 allows policy enforcer bypass via percent-encoded URI segments

    CVE-2026-74909Source published Source updated

    This bulletin covers 2 CVEs. The products, versions, score and guidance below describe the bulletin; check its source for applicability to this specific CVE.

    Incomplete fix for CVE-2026-15573 allows policy enforcer bypass via percent-encoded URI segments. Red Hat rates this important (CVSS 8.1). Weakness: CWE-862. Red Hat lists fixing advisory RHSA-2026:68277 with package rhbk/keycloak-rhel9:26.6-20, keycloak-services, keycloak/rhbk-openshift-rhel9, rhbk/keycloak-rhel9-operator:26.6-20. Affected products named by the advisory: Red Hat build of Keycloak 26.4.16; Red Hat build of Keycloak 26.6.7.

    Related products — impact not confirmed
    • Red Hat build of Keycloak 26.4.16
    • Red Hat build of Keycloak 26.6.7
    Source-reported affected versions
    Affected-version details not available in this record.
    Source-reported fixed versions
    • rhbk/keycloak-rhel9:26.6-20
    • keycloak-services
    • keycloak/rhbk-openshift-rhel9
    • rhbk/keycloak-rhel9-operator:26.6-20

    5 more entries in the full advisory.

    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
  • Advisory severityHigh8.1

    High [CVE-2026-15573] Authorization bypass via unnormalized URI matching in PathMatcher

    CVE-2026-15573Source published Source updated

    Authorization bypass via unnormalized URI matching in PathMatcher. Red Hat rates this important (CVSS 8.1). Red Hat lists fixing advisory RHSA-2026:50848 with package rhbk/keycloak-rhel9:26.6-11, rhbk/keycloak-operator-bundle:26.4.14-1, rhbk/keycloak-rhel9, keycloak-services. Affected products named by the advisory: Red Hat build of Keycloak 26.4; Red Hat build of Keycloak 26.6; Red Hat Data Grid 8; Red Hat Single Sign-On 7.

    Affected products in this advisory
    • Red Hat build of Keycloak 26.4
    • Red Hat build of Keycloak 26.6
    • Red Hat Data Grid 8
    • Red Hat Single Sign-On 7
    Source-reported affected versions
    Affected-version details not available in this record.
    Source-reported fixed versions
    • rhbk/keycloak-rhel9:26.6-11
    • rhbk/keycloak-operator-bundle:26.4.14-1
    • rhbk/keycloak-rhel9
    • keycloak-services

    6 more entries in the full advisory.

    Mitigation guidance
    No mitigation guidance extracted; consult the source.
    Full advisory and evidenceOpen source bulletin

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