CVE WATCH / VULNERABILITY DETAIL
CVE-2026-126366
HIGHCVSS 7.5NVD feed
Published 13 November 2026 · tracked since 13 November 2026
Description
MessagePack for Ruby is an implementation of the MessagePack binary serialization format. Prior to 1.8.7, the Java-platform msgpack gem for JRuby allocated arrays and byte buffers directly from attacker-controlled array32, str32, and bin32 declared sizes before confirming that corresponding elements
References
- NVD — National Vulnerability Database
- CVE.org record (MITRE)
- CISA Known Exploited Vulnerabilities catalog
Latest tracked vulnerabilities
- CVE-2026-107412
- CVE-2026-107411
- CVE-2026-16662 LOW 2.4
- CVE-2026-127928 LOW 2
- CVE-2026-127284 HIGH 7.3
- CVE-2026-127283 HIGH 7.3
- CVE-2026-127282 MEDIUM 4.3
- CVE-2026-107410
- CVE-2026-107409
- CVE-2026-107408