CVE-2026-12490
Auth bypass in transfer requests via TLS/TCP ports without client certs.
Is CVE-2026-12490 being exploited?
Not confirmed. CVE-2026-12490 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 0.16% probability of exploitation in the next 30 days.
How severe is CVE-2026-12490?
CVE-2026-12490 is rated High with a CVSS score of 8.2. 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-2026-12490?
Yes. A fix has been recorded for CVE-2026-12490. The vendor advisory is the authority on the exact fixed version — apply it from there rather than from a summary.
What does CVE-2026-12490 affect?
CVE-2026-12490 affects Unspecified. Confirm the exact affected versions against the vendor advisory before deciding you are exposed.
What should I do about CVE-2026-12490?
Enforce client certs on all transfer ports; disable non-auth paths.
Exploitation status reflects CISA's KEV catalog as we last synced it. Check the catalog directly.
Unauthorized transfer requests may be accepted without client certs on non-auth ports, risking data exposure.
Monitor only
- affected>= 4.10.1 and < 4.14.3
As published in the CVE Program record. A version outside these ranges is not a statement that it is unaffected — vendors sometimes understate a range, and distribution-backported builds carry upstream numbers that do not reflect what was patched into them.