grep -rl "CVE-2026-115889" ./articles
CVE-2026-115889 is a 9.9 in Cranelift, where bit-packed value indices overflow silently in release builds. The result is arbitrary miscompilation and a sandbox escape, on default settings, with no workaround.
Root Notes reports on this identifier; it does not maintain it. For the vendor advisory, the affected versions and the scoring, NVD and MITRE hold the primary records.
Not listed in CISA's Known Exploited Vulnerabilities catalog as of catalog 2026.10.26. That is not evidence it is not being exploited — the catalog records what CISA has confirmed, and identifiers have been attacked for days before appearing in it.
CVE-2026-115889 is a 9.9 in Cranelift, where bit-packed value indices overflow silently in release builds. The result is arbitrary miscompilation and a sandbox escape, on default settings, with no workaround.
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