CVE-2026-48144
Hostname validation bypass in Apache Thrift c_glib allows TLS MITM.
Is CVE-2026-48144 being exploited?
Not confirmed. CVE-2026-48144 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 0.25% probability of exploitation in the next 30 days.
How severe is CVE-2026-48144?
CVE-2026-48144 is rated Critical with a CVSS score of 9.1. 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-2026-48144?
Yes. A fix has been recorded for CVE-2026-48144. The vendor advisory is the authority on the exact fixed version — apply it from there rather than from a summary.
What does CVE-2026-48144 affect?
CVE-2026-48144 affects Apache Thrift c_glib (< 0.24.0), Applications using Thrift c_glib for TLS-secured RPC. Confirm the exact affected versions against the vendor advisory before deciding you are exposed.
What should I do about CVE-2026-48144?
Upgrade to Apache Thrift 0.24.0; verify hostname checks and rotate credentials if exposed.
Exploitation status reflects CISA's KEV catalog as we last synced it. Check the catalog directly.
Bypasses TLS hostname checks enabling MitM/service impersonation, exposing data/credentials or permitting unauthorized RPC calls.
Immediate action required
- affected< 0.24.0
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.