early signals oss-security infra

CVE-2026-110952: Apache Kafka: Broker does not enforce JWT issuer and audience validation for SASL/OAUTHBEARER by default

// AI summary

Apache Kafka versions 3.1.0 before 4.4.0 have CVE-2026-110952 because the broker does not enforce JWT issuer and audience validation by default for SASL/OAUTHBEARER.

// from the source

Posted by Manikumar on Oct 28 Severity: moderate Affected versions: - Apache Kafka 3.1.0 before 4.4.0 Description: A Kafka broker that authenticates clients with SASL/OAUTHBEARER using the bundled JWKS-backed validator always verifies the JWT signature, but two further checks are only performed when explicitly configured: - The issuer (iss) claim is verified only when sasl.oauthbearer.expected.issuer is set. When it is unset, a validly-signed token carrying the expected...
Read at seclists.org ↗ More from oss-security

# more from oss-security

  1. oss-security infra

    CPython [CVE-2026-116566] socket.getaddrinfo() accepts embedded null bytes in host and port

    seclists.org
  2. oss-security

    CVE-2025-60482: GPAC/MP4Box: Heap Use-After-Free in AC-4 Descriptor Cleanup

    seclists.org
  3. oss-security infra

    [OSSA-2026-050] OpenStack keystonemiddleware: access_rules bypass via X-Service-Token (CVE-2026-115642)

    seclists.org
  4. oss-security infra

    [OSSA-2026-049] Ironic: Conductor DoS via gzip bomb configdrive (CVE-2026-115638)

    seclists.org
  5. oss-security infra

    CVE-2026-115942: Apache Qpid Proton C: Verifying non compliant TLS wildcard cert can cause stack buffer overflow read

    seclists.org