High [CVE-2026-119977] Arbitrary code execution via predictable upgrade staging paths
This high-severity Red Hat Linux advisory covers CVE-2026-119977.
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Summary
Arbitrary code execution via predictable upgrade staging paths. Red Hat rates this important (CVSS 8.1).
Weakness: CWE-552.
CISA Known Exploited Vulnerability
- Listed:
- Nov 3, 2026 · federal remediation due Nov 6, 2026
- Required action:
- Apply mitigations in accordance with vendor instructions, ensuring compliance with CISA’s BOD 26-04 Prioritizing Security Updates Based on Risk (see URL in Notes) guidance and CISA’s “Forensics Triage Requirements” (see URL in Notes). Follow applicable BOD 26-04 guidance for cloud services or discontinue use of the product if mitigations are unavailable. Stakeholders are responsible for evaluating each asset's internet exposure and ensuring adherence to BOD 26-04 patching guidelines.
KEV is a prioritization signal from CISA. Remediation detail comes from the vendor advisory.
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 1 day ago·verify at source
Mitigation
The source record does not include mitigation steps. That does not mean no fix exists. Read the vendor advisory below for the authoritative guidance.
Official advisory · high-confidence parse· fetched 1 day ago·verify at source
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