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Highest advisory severityMedium 1 vendor · 1 advisory

CVE-2026-88831

CVE-2026-88831: 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.

Vendor advisory comparison

Red Hat

1 advisory
  • Advisory severityMedium5.3

    Medium [CVE-2026-88831] httpd silently fails open when IP deny rules contain invalid CIDR prefix lengths

    CVE-2026-88831Source published Source updated

    httpd silently fails open when IP deny rules contain invalid CIDR prefix lengths. Red Hat rates this moderate (CVSS 5.3). Weakness: CWE-636. Red Hat lists fixing advisory RHSA-2026:72111 with package busybox-main-1.37.0-9.1.hum1. Affected product named by the advisory: Red Hat Hardened Images.

    Related products — impact not confirmed
    • Red Hat Hardened Images
    Source-reported affected versions
    Affected-version details not available in this record.
    Source-reported fixed versions
    • busybox-main-1.37.0-9.1.hum1
    • RHSA-2026:72111
    Mitigation guidance
    • Audit all BusyBox httpd configuration files for syntactically valid CIDR prefix lengths. Implement network-level access controls (iptables/nftables) as the primary enforcement layer rather than relying on application-level ACLs.

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