High [CVE-2026-55388] Arbitrary code execution via prototype pollution of filename option
This high-severity Red Hat Linux advisory covers CVE-2026-55388.
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Summary
Arbitrary code execution via prototype pollution of filename option. Red Hat rates this important (CVSS 8.1).
Weakness: CWE-915.
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 2 months 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 2 months ago·verify at source
Mitigation checklist
- Red Hat rates this important; a fix erratum may not be out yet — apply the RHSA as soon as it publishes.
Official advisory · high-confidence parse· fetched 2 months ago·verify at source
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