Critical [CVE-2026-76595] Unsafe YAML deserialization of associate-editable Task playbook (yaml.Loader)
This critical-severity Red Hat Linux advisory covers CVE-2026-76595.
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Summary
A flaw was found in advisor-backend. Multiple code paths within the application deserialize YAML (YAML Ain't Markup Language) with an unsafe full Loader, which can instantiate arbitrary Python objects via YAML tags.
This compromise could allow access to shared database credentials and impact all tenants. Red Hat severity: Critical.
Weakness: CWE-502.
Affected versions
No affected-version range was extracted from the source record. The vendor advisory is authoritative — check it before change work.
Official advisory · high-confidence parse· fetched 50 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 50 minutes ago·verify at source
Mitigation checklist
- Mitigation for this issue is either not available or the currently available options do not meet the Red Hat Product Security criteria comprising ease of use and deployment, applicability to widespread installation base, or stability.
Official advisory · high-confidence parse· fetched 50 minutes ago·verify at source
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