CVE-2018-1335: From Apache Tika versions 1.7 to 1.17, clients could send carefully crafted headers to tika-server that cou...

Security readout for executives and security teams

Apache Tika server versions 1.7 through 1.17 could allow attackers to turn specially formed request headers into operating-system commands on the server. The risk matters when tika-server is reachable by untrusted clients. Affected deployments should upgrade to Tika 1.18 and avoid exposing tika-server directly. Exposure is most likely in services running tika-server where clients, tenants, partners, or internet users can submit requests directly. Internal-only use is lower risk, but still important if untrusted files or requests can reach tika-server through another application. Prioritize remediation for any exposed tika-server deployment because the issue can lead to command execution on the host. If tika-server is isolated to trusted internal workflows, schedule upgrade through normal emergency patching, with exposure review first. Mitigation focus: Upgrade Apache Tika to version 1.18 or later.; Restrict tika-server access to trusted networks and callers.; Place tika-server behind authenticated application controls where possible..

Prepared

Jun 7, 2026, 13:40 UTC (UTC+00:00)

Generated from the cited source records. This long-tail analysis has not been individually reviewed by a named human.