High7.5Red Hat Linux

High [CVE-2026-79776] Authentication bypass leads to backend credential disclosure

This high-severity Red Hat Linux advisory covers CVE-2026-79776 affecting Cryostat 4, Red Hat Advanced Cluster Management for Kubernetes 2.

CVE-2026-79776 Published Aug 25, 2026Updated by vendor Aug 25, 2026

CVE-2026-79776

Affected products & platforms

Red Hat LinuxUnclassified

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Summary

rclone before 1.75.0 mounts the pprof debug handler as its own router route, bypassing the fail-closed authentication rule in the main handler. Attackers can access the /debug/pprof/cmdline endpoint unauthenticated to retrieve the full process argv including backend credentials.

A flaw was found in rclone. A remote attacker can bypass the authentication mechanism by accessing the `/debug/pprof/cmdline` endpoint.

Successful exploitation allows an unauthenticated attacker to retrieve sensitive backend credentials, leading to information disclosure. Red Hat severity: Important — CVSS 7.5 (CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N).

Weakness: CWE-305. Affected Red Hat products: Cryostat 4; Red Hat Advanced Cluster Management for Kubernetes 2.

Red Hat does not currently list a fixing RHSA for this CVE.

Affected versions

< 1.75.0

Official advisory · high-confidence parse· fetched 45 minutes ago·verify at source

Fixed versions

No fixed release is recorded yet. That does not prove no patch exists — confirm against the vendor advisory.

Official advisory · high-confidence parse· fetched 45 minutes ago·verify at source

Mitigation

The source record does not include mitigation steps. That is not a statement that no fix exists — read the vendor advisory below for the authoritative guidance.

Official advisory · high-confidence parse· fetched 45 minutes ago·verify at source

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