Advisory severityHigh7.5Red Hat Linux

High [CVE-2026-18446] Host confusion vulnerability via backslash in URI authority

This high-severity Red Hat Linux advisory covers CVE-2026-18446; related products: Red Hat Hardened Images.

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

CVE-2026-18446 Source published Jul 31, 2026Source updated Jul 31, 2026

VulniPulse record published Aug 4, 2026Record updated Aug 11, 2026

CVE-2026-18446

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Summary

Host confusion vulnerability via backslash in URI authority. Red Hat rates this important (CVSS 7.5).

Weakness: CWE-1289. Red Hat lists fixing advisory RHSA-2026:49387 with package grafana13-1-main-13.1.1-0.4.hum1, grafana12-4-main-12.4.6-0.3.hum1.

Affected product named by the advisory: Red Hat Hardened Images.

Affected versions

< 4.1.2
< 3.1.5
< 2.4.4

Official advisory · high-confidence parse· fetched 2 months ago·verify at source

Fixed versions

grafana13-1-main-13.1.1-0.4.hum1
grafana12-4-main-12.4.6-0.3.hum1
RHSA-2026:49387

Official advisory · high-confidence parse· fetched 2 months ago·verify at source

Mitigation

Upgrade to a fixed release: grafana13-1-main-13.1.1-0.4.hum1, grafana12-4-main-12.4.6-0.3.hum1, RHSA-2026:49387. 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 2 months ago·verify at source

Discussion(0)

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