TopBraid-Suite 9.1.8 - Bug fix: DEV-849: Fixed a deadlock that could hang all write operations until a server restart. - Bug fix: DEV-866: Fixed a server hang when validation suggestions failed during a bulk edit or similar operation. - Security: DEV-821: Addressed CVE-2026-54399 (denial of service via unbounded HTTP header parsing in Apache HttpComponents Core). - Security: DEV-824: Addressed CVE-2026-48801 (regular expression denial of service in the linkify-it link parser). - Security: DEV-839: Addressed CVE-2026-59887 (denial of service in the linkify-it link parser). - Security: DEV-985: Addressed CVE-2026-45112 (denial of service via unbounded varint decoding in Apache Thrift). - Security: DEV-995: Addressed CVE-2026-14682, CVE-2026-13506, and CVE-2026-58059 (denial of service in Bouncy Castle ASN.1 parsing). - Security: TBS-10221: Addressed CVE-2026-40895 (sensitive information exposure in the follow-redirects library).