Medium [CVE-2026-91100] Multiple vulnerabilities allow remote code execution, privilege escalation, and denial of service.
This medium-severity Red Hat Linux advisory covers CVE-2026-91100; related products: Red Hat Enterprise Linux 10, Red Hat Enterprise Linux 6, Red Hat Enterprise Linux 7.
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Summary
Multiple vulnerabilities allow remote code execution, privilege escalation, and denial of service. Red Hat rates this moderate (CVSS 6.6).
Weakness: CWE-266.
Affected products named by the advisory: Red Hat Enterprise Linux 10; Red Hat Enterprise Linux 6; Red Hat Enterprise Linux 7; Red Hat Enterprise Linux 8; and 2 more.
Affected products named by the advisory: Red Hat Enterprise Linux 9; Red Hat package: hplip.
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 12 days 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 12 days ago·verify at source
Mitigation checklist
- If HP printer support is not required on the system, remove the HPLIP package to eliminate the attack surface. For Red Hat Enterprise Linux, use `sudo dnf remove hplip`. Removing this package will disable functionality for HP printers.
Official advisory · high-confidence parse· fetched 12 days ago·verify at source
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