CVE-2026-41145
MinIO auth bypass allows bucket writes without secret/signature.
Is CVE-2026-41145 being exploited?
Not confirmed. CVE-2026-41145 does not appear in CISA's Known Exploited Vulnerabilities catalog, which records only exploitation that has been observed and reported publicly. That is evidence of absence of a report, not evidence the flaw is unattacked. EPSS currently estimates a 0.35% probability of exploitation in the next 30 days.
How severe is CVE-2026-41145?
CVE-2026-41145 is rated High with a CVSS score of 8.8. Severity describes how bad exploitation would be, not how likely it is: pair it with exploitation evidence before deciding what to patch first.
Is there a patch for CVE-2026-41145?
Yes. A fix has been recorded for CVE-2026-41145. The vendor advisory is the authority on the exact fixed version — apply it from there rather than from a summary.
What does CVE-2026-41145 affect?
CVE-2026-41145 affects MinIO server, MinIO object storage deployments. Confirm the exact affected versions against the vendor advisory before deciding you are exposed.
What should I do about CVE-2026-41145?
Upgrade to patched release; block unsigned-trailer at edge.
Exploitation status reflects CISA's KEV catalog as we last synced it. Check the catalog directly.
Attacker with a valid access key can write arbitrary objects to any bucket without a secret or valid signature.
Immediate action required