High-severity bug in Apache Thrift, a widely used RPC framework; can affect backend services across organizations and thus merits broad attention.
CVE-2026-58662
Out-of-bounds read in Apache Thrift C++ (<0.24.0) allows crash or data disclosure.
Is CVE-2026-58662 being exploited?
Not confirmed. CVE-2026-58662 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 0.64% probability of exploitation in the next 30 days.
How severe is CVE-2026-58662?
CVE-2026-58662 is rated High with a CVSS score of 8.7. 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-2026-58662?
Yes. A fix has been recorded for CVE-2026-58662. The vendor advisory is the authority on the exact fixed version — apply it from there rather than from a summary.
What does CVE-2026-58662 affect?
CVE-2026-58662 affects Apache Thrift C++ bindings < 0.24.0, Services using Thrift C++ serialization/deserialization. Confirm the exact affected versions against the vendor advisory before deciding you are exposed.
What should I do about CVE-2026-58662?
Upgrade Apache Thrift C++ to 0.24.0 immediately; apply mitigations if upgrade delayed.
Exploitation status reflects CISA's KEV catalog as we last synced it. Check the catalog directly.
Crafted Thrift input can trigger out-of-bounds reads causing info disclosure or denial-of-service in C++ Thrift services.
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.