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Highest advisory severityMedium 1 vendor · 1 advisory

CVE-2026-70454

CVE-2026-70454: 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 severityMedium6.8

    Medium [CVE-2026-70454] TLS Certificate Validation Bypass allows interception of encrypted sessions

    CVE-2026-70454Source published Source updated

    rsync 3.2.0 through 3.2.3 (openssl mode) and rsync-ssl through 3.4.4 (stunnel mode) contain a TLS certificate validation vulnerability that allows on-path attackers to intercept encrypted sessions by presenting self-signed or otherwise invalid certificates. Attackers can exploit the failure to validate server TLS certificates against a trusted CA or verify certificate hostname matching to decrypt or tamper with rsync session content without detection by the client. A flaw was found in the rsync-ssl wrapper script's TLS certificate validation. The vulnerability arises from insufficient TLS certificate validation, enabling an attacker to present invalid certificates and compromise data integrity and confidentiality without detection. Exploitation requires an attacker to be positioned to…

    Affected products in this advisory
    • Red Hat Enterprise Linux 10
    • Red Hat Enterprise Linux 9
    • Red Hat OpenShift Container Platform 4
    • Red Hat package: rsync
    Source-reported affected versions
    • 3.2.0
    • 3.2.3
    • 3.4.4
    Source-reported fixed versions
    • 3.5.0
    • rsync-0:3.5.0-3.el10_2
    • rsync-0:3.2.7-1.el9_8
    • RHSA-2026:67463

    1 more entries in the full advisory.

    Mitigation guidance
    • Do not use rsync-ssl with the openssl or stunnel backends. Use rsync over SSH, which authenticates the host and encrypts the session: rsync -avz -e ssh /source user@remote:/destination. If daemon TLS cannot be avoided, restrict those sessions to trusted networks
    Full advisory and evidenceOpen source bulletin

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