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Advisory severityLow3.7Red Hat Linux

Low [CVE-2026-56764] Hono - Timing Attack in basicAuth and bearerAuth Middleware

This low-severity Red Hat Linux advisory covers CVE-2026-56764 affecting Red Hat Hardened Images, Migration Toolkit for Applications 8.

Aggregated and source-linked by VulniPulse. Data sources, validation and limitations.

CVE-2026-56764 Source published Source updated

VulniPulse record published Record updated

CVE-2026-56764
Affected products & platforms
Red Hat LinuxUnclassified
Open source advisory

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Summary

Hono before 4.11.10 contains a timing attack vulnerability in the basicAuth and bearerAuth middlewares due to non-constant-time string comparison in the timingSafeEqual function. Attackers can exploit early termination of string equality checks to infer valid credentials through precise timing measurements.

A flaw was found in Hono. Red Hat severity: Low — CVSS 3.7 (CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:N/A:N).

Weakness: CWE-208. Affected Red Hat products: Red Hat Hardened Images; Migration Toolkit for Applications 8.

Red Hat lists Red Hat Ansible Automation Platform 2; Red Hat Developer Hub; Red Hat Enterprise Linux 10; Red Hat OpenShift Dev Spaces as not affected. Red Hat fixing advisory: RHSA-2026:47618, RHSA-2026:47619.

Affected versions
  • < 4.11.10

Official advisory · high-confidence parse· fetched 12 days ago·verify at source

Fixed versions
  • grafana13-1-main-13.1.1-0.2.hum1
  • grafana12-4-main-12.4.6-0.2.hum1
  • RHSA-2026:47618
  • RHSA-2026:47619

Official advisory · high-confidence parse· fetched 12 days ago·verify at source

Mitigation

Upgrade to a fixed release: grafana13-1-main-13.1.1-0.2.hum1, grafana12-4-main-12.4.6-0.2.hum1, RHSA-2026:47618, RHSA-2026:47619. That is the remediation for this advisory.

The vendor advisory may list additional interim mitigations or workarounds not captured here — review it before change work.

Official advisory · high-confidence parse· fetched 12 days ago·verify at source

Discussion(0)

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